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REGULAR JOURNALS
1. S.F. Yu, L.M. Zhang, R.G.S. Plumb & J.E. Carroll,'Effect of external reflectors on radiation profile of grating coupled surface emitting lasers',IEE Proceedings Part-J, Optoelectronics, Vol-140, no.1, pp30-38, 1993.
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2. S.F. Yu, R.G.S. Plumb & J.E. Carroll,'Spatial active optical switching by using grating coupled surface emitting DFB lasers', IEE Electron. Lett., vol-29, no.12, pp.1147-1148, 1993
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3. L.M. Zhang, S.F. Yu, M.C. Nowell, D.D. Marcenac, J.E. Carroll & R.G.S. Plumb' Dynamic analysis of radiation and side mode suppression in second order DFB lasers using time-domain large-signal traveling wave model', IEEE J. Quantum Electron., Vol-30, no.6, pp.1389-1395, 1994.*
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4. S.F. Yu, R.G.S. Plumb, L.M. Zhang, M.C. Nowell & J.E. Carroll,'Large signal dynamic behavior of distributed feedback lasers including lateral effects', IEEE J. Quantum Electron., Vol-30, no.8,pp.1740-1750, 1994.*
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5. S.F. Yu & E.H. Li,'The effects of lateral modes on static and dynamic behavior of buried heterostructure DFB lasers', IEE Proceedings Part-J, Optoelectronics, Vol. 142, no.2, pp. 97-102, 1995.
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6. S.F. Yu & E.H. Li,'Influence of lateral field on the relaxation oscillation frequency of semiconductor lasers', IEEE J. Quantum Electron., Vol. 32, no. 1, pp. 1-3, 1996.*
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7. S.F. Yu,'Quasi 3-dimensional large signal dynamic model of DFB lasers', IEEE J. Quantum Electron., Vol.32, no.3, pp.424-432, 1996.*
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8. S.F. Yu & E.H. Li,'Proposed enhancement of side mode suppression ratio in l/4 shifted distributed feedback lasers with non-uniform diffused quantum wells', IEEE Photon. Technol. Lett., Vol. 8, no. 4, pp. 482-484, 1996.*
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9. S.F. Yu,'Dynamic behavior of vertical cavity surface emitting lasers', IEEE J. Quantum Electron., Vol. 32, no.7, pp. 1168-1179, 1996.*
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10. S.F. Yu & C.W. Lo,'Influence of transverse modes on the dynamic response of vertical cavity surface emitting lasers', IEE Proceedings Part-J, Optoelectronics, Vol. 143, no. 3, pp. 189-194, 1996.
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11. P. Shum & S.F. Yu,'Improvement of Fourier series analysis technique by time-domain window function', IEEE Photon. Technol. Lett., Vol. 8, no. 10, pp. 1364-1366, 1996.*
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12. S.F. Yu, W.N. Wong, P. Shum & E.H. Li 'Theoretical analysis of modulation response and second harmonic distortion in vertical cavity surface emitting lasers', IEEE J. Quantum Electronics, Vol.32, no.12, pp. 2139-2147, 1996.*
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13. S.F. Yu,'Double tapered waveguide distributed feedback lasers for high power single mode operation', IEEE J. Quantum Electronics, Vol.33, pp.71-80, no.1, 1997.*
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14. P. Shum, H. Ghafouri-Shiraz & S. F. Yu,'Analysis of DPSK soliton transmission system', Optics & Laser Technology, Vol.29, No.7, pp.411-414, 1997.
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15. S.F. Yu, C.W. Lo & E.H.Li,'Investigation of high power single mode operation in DFB and FP lasers using diffused quantum wells structure', IEEE J. Quantum Electronics, Vol.33, pp.999-1009, no.6, 1997.*
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16. S.F. Yu,'Polarization bistability in vertical cavity surface emitting semiconductor lasers', IEEE/OSA J. Lightwave Technology, Vol. 15, no. 6, pp. 1032-1041, 1997.*
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17. S.F. Yu,'Dynamic behavior of double tapered waveguide distributed feedback lasers', IEEE J. Quantum Electronics, Vol.33, pp.1260-1267, no.8, 1997.*
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18. S.F. Yu, T.I. Yuk and P.Shum,'Dynamic analysis of Erbium-doped optically pumped waveguide laser by using time-domain traveling wave model', Optical & Quantum Electronics, Vol. 29, no. 6, pp. 683-696, 1997.
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19. P. Shum, S.F. Yu and H. Ghafouri-Shiraz,'Propagation Behavior of a Chirp Nonlinear Laser Pulse', Microwave and Optical Technology Letters, Vol.17, No.5, April, pp. 291-294, 1998.
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20. S.F. Yu & P.C. Chui,'Proposed enhancement of single mode operation in VCSEL's using diffused quantum well structure', Optical and Quantum Electron., Vol. 30, pp.71-77, 1998.
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21. S.F. Yu,'Analysis and Design of Vertical Cavity Surface Emitting Lasers for Self-Sustained Pulsation Operation', IEEE J. Quantum Electron., Vol. 34, no.3, pp.497-505, 1998.*
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22. S.F. Yu & E.H. Li,'Semiconductor lasers using diffused quantum well structures', IEEE J. Selected Topics in Quantum Electron., (Invited), Vol.4, no.4, pp.723-735, 1998.*
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23. S.F. Yu,'An improved time-domain traveling-wave model for vertical cavity surface emitting lasers', IEEE J. Quantum Electron., Vol. 34, no.10, pp.1938-1948, 1998.*
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24. P. Shum & S.F. Yu,'Numerical analysis of nonlinear soliton propagation phenomena using fuzzy mesh analysis technique', IEEE J. Quantum Electron., Vol. 34, no.10, pp.2029-2035, 1998.*
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25. W.M. Man & S.F. Yu,'Comprehensive modeling of diffused quantum wells vertical cavity surface emitting lasers', IEEE J. Selected Topics in Quantum Electron., Vol. 4, no. 4, pp.715-722, 1998.*
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26. S.F. Yu,'Non-linear dynamics of vertical cavity surface emitting lasers', IEEE J. Quantum Electronics, Vol. 35, no.3, pp.332-341,1999.*
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27. P.C. Chui & S.F. Yu,'Second harmonic distortion in vertical cavity surface emitting lasers with lateral loss effects', IEEE J. Selected Topics in Quantum Electronics, Vol.5, no.3, 1999.*
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28. P. Shum, S.F. Yu & C. Lu,'Study of nonlinear soliton propagation by using split-step reconstruction technique', Applied Optics, Vol.39, No.21, pp. 3632 - 3637, 2000.
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29. S.F. Yu, P. Shum and John Q.N. Ngo,'Performance of Optical Chaotic Communication Systems using Multimode Vertical Cavity Surface Emitting Lasers', Optics Communications, Vol. 200, pp.143-152, 2001.
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30. S.F. Yu and N.Q. Ngo,'Simple model for DFB laser integrated with Mach-Zehnder modulator', IEEE J. Quantum Electron., Vol. 38, no. 8, pp.1062-1074, 2002 issue.*
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31. S.F. Yu,'Time-domain Traveling Wave Algorithms on the Analysis of Distributed Feedback Lasers', IEE-proceeding J, Optoelectronics, Vol. 150, no. 3, pp. 266- 272, 2003.
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32. C. W. Tee, C.C. Tan and S.F. Yu.'Design of Antiresonant Reflecting Optical Waveguide-Type Vertical Cavity Surface Emitting Lasers using Transfer Matrix Method', IEEE Photon. Technol. Lett., Vol. 15, no. 9, pp. 1231-1233, 2003*.
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33. Y.G. Wang, S.P. Lau, H.W. Lee, S.F. Yu, B.K. Tay, X.H. Zhang, H.H. Hng, 'Photoluminescence study of ZnO films prepared by thermal oxidation of Zn metallic films in air', J. Appl. Phys., Vol. 94, no.1., pp.354 -358, 2003.
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34. Y.G. Wang, S.P. Lau, X.H. Zhang, H.W. Lee, S.F. Yu, B.K. Tay and H.H. Hng, 'Evolution of visible luminescence in ZnO by thermal oxidation of zinc films', Chemical Physics Letters, Volume 375, Issues 1-2, 25 June 2003, Pages 113-118.
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35. Y.G. Wang, S.P. Lau, H.W. Lee, S.F. Yu, B.K. Tay, X.H. Zhang, K.Y. Tse and H.H. Hng, "Comprehensive study of ZnO films prepared by filtered cathodic vacuum arc at room temperature", J. Appl. Phys., Vol. 94, no.4., pp. 1597-1604, 2003.
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36. Y.G. Wang, Clement Yuen, S.P. Lau, S.F. Yu, and B.K. Tay,' Ultraviolet lasing of ZnO whiskers prepared by catalyst-free thermal evaporation', Chemical Physics Letters, Vol. 377, pp. 329-332, 2003.
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37. S.F. Yu,''Polarization Selection in Birefringent Antiresonant Reflecting Optical Waveguide-Type Vertical Cavity Surface Emitting Lasers', IEEE J. Quantum Electron., Vol. 39, no. 11, pp.1362-1372, 2003.*
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38. C.W. Tee and S.F. Yu,'Design and Analysis of Cylindrical Anti-resonant Reflecting Optical Waveguide using Field-Transfer Matrix, IEEE/OSA J. Lightwave Technol., Vol. 21, no. 12, pp. 3379-3386, 2003.*
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39. Y.G. Wang, S.P. Lau, X.H. Zhang, H.H. Hng, H.W.Lee, S.F. Yu and B.K. Tay, 'Enhancement of near-band-edge photoluminescence from ZnO films by face-to-face annealing', J. Crystal Growth, Vol. 259. issue 4, pp 335-342, 2003.
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40. X.W. Sun, S. F. Yu, C.X. Xu, C. Yuen, B.J. Chen and S. Li,'Room-Temperature Ultraviolet Lasing from Zinc Oxide Microtubes', Jpn. J. Appl. Phys., Vol. 42, (2003), pp. L1229-L1231.
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41. S.F. Yu, Clement Yuen, S.P. Lau, Y.G. Wang, H.W. Lee, and B.K. Tay,'Ultraviolet Amplified Spontaneous Emission from Zinc Oxide Ridge Waveguides on Silicon Substrate', Appl. Phys. Lett., Vol. 83, no.21, pp.4288-4290, 2003.
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42. Q.N. Ngo, S.F. Yu, S. C. Tjin and C. H. Kam,’A new theoretical basis of higher-derivative optical differentiators’, Optics Communications, Vol. 230, .Iss. 1-2, pp.115-129, 2004.
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43. N.S. Chen, S.F. Yu, and C.W. Tee,'Suppression of Polarization Switching in Birefringent Antiresonant Reflecting Optical Waveguide Veritcal-Cavity Surface-Emitting Lasers', IEEE Photon. Technol. Lett., Vol. 16, no. 3, pp.711-713, 2004.*
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44. H.S. Djie, T. Mei, J. Arokiaraj, C. Sookdhis, S. F. Yu, L. K. Ang, and X. H. Tang, ’Experimental and Theoretical Analysis of Argon Plasma Enhanced Quantum Well Intermixing’, IEEE J. Quantum Electron, Vol. 40, no. 2, pp. 166-174, 2004.*
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45. S.F. Yu, Clement Yuen, S.P. Lau and W.J. Fan, ‘Design and fabrication of Zinc Oxide thin-film ridge waveguides on silicon substrate with ultraviolet amplified spontaneous emission’, IEEE J. Quantum Electron., Vol. 40, no. 4, pp. 406-412, 2004.*
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46. S.F. Yu, Clement Yuen, S.P. Lau and H.W. Lee, ‘ZnO thin-film random lasers on silicon substrate’, Appl. Phys. Lett., Vol. 84, no. 17, pp. 3244-3246, 2004.
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47. S.F. Yu, Clement Yuen, S.P. Lau, W. I. Park and Gyu-Chul Yi,’Random Laser Action in ZnO Nanorod Arrays embedded in ZnO Epilayers’, Appl. Phys. Lett., Vol. 84, no. 17, pp. 3241-3243, 2004.
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48. C.W. Tee, S.F. Yu, and N.S. Chen,’Transverse-Leaky-Mode Characteristics of Antiresonant-Reflecting Optical Waveguide Vertical-Cavity Surface-Emitting Lasers’, IEEE/OSA J. Lightwave Technol., Vol. 22, no. 7, pp. 1797- 1804, 2004.*
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49. N.S. Chen and S.F. Yu, ’Transient Response of ARROW VCSELs under External Optical Feedback’, IEEE Photon. Technol. Lett., Vol. 16, no. 7, 1610- 1612, 2004.*
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50. K.Y. Tse, H.H. Hng, S.P. Lau, Y.G. Wang and S.F. Yu,’ZnO thin films produced by filtered cathodic vacuum arc technique’, Ceramics International, Volume 30, Issue 7, pp. 1669-1674, 2004 (3rd Asian Meeting on Electroceramics, Singapore, 7 - 11 December 2003).
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51. Clement Yuen, S.F. Yu, X.W. Sun, C.X. Xu, Eunice S.P. Leong, S.P. Lau, and C.K. Chen, ’Ultraviolet Lasing Phenomenon of Zinc Oxide Hexagonal Microtubes’, Jap. J. Appl. Phys., Vol. 43, No. 8A, pp.5273-5278, 2004
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52. S.F. Yu and Eunice S.P. Leong,’High-Power Single-Mode ZnO Thin-Film Random Lasers’, IEEE J. Quantum Electron., vol. 40, no.9, pp.1186- 1194, 2004.*
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53. Eunice S.P. Leong, M.K. Chong, S.F. Yu and K. Pita,’Sol-gel ZnO-SiO2 composite waveguide ultraviolet lasers’, IEEE Photon. Technol. Lett., Vol. 16, no. 11, pp. 2418-2420, 2004.*
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54. C.X. Xu, X.W. Sun, Clement Yuen, B.J. Chen, S.F. Yu, and Z.L. Dong,’Ultraviolet amplified spontaneous emission from self-organized network of Zinc Oxide nanofibers’, Appl. Phys. Lett., Vol. 86, no.1, 011118, 2005.
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55. Clement Yuen, S.F. Yu, Eunice S.P. Leong, H.Y. Yang, S.P. Lau, N.S. Chen and H.H. Hng,’ Low-loss and directional output ZnO thin-film ridge waveguide random lasers with MgO capped layer’, Appl. Phys. Lett., Vol. 86, no. 3, 031112. 2005.
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56. C.W. Tee, S.F. Yu, R. V. Penty and I.H. White,’Transient response of anti-resonant reflecting optical waveguide vertical cavity surface emitting lasers’, IEEE J. Quantum Electron, Vol. 41, no. 2. pg. 140- 147, 2005.*
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57. L. Huang, S.P. Lau, H.Y. Yang, Eunice S.P. Leong, S.F. Yu and S. Prawer,’A stable super-hydrophobic surface via carbon nanotubes coated with a ZnO thin film’, J. Phys. Chem. B. ; 109 (16); 7746-7748, 2005.
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58. H. Y. Yang, S. P. Lau, S. F. Yu, L. Huang, M. Tanemura, J. Tanaka, T. Okita and H.H. Hng,’Field emission from zinc oxide nanoneedles on plastic substrates’, Nanotechnology, No. 16, pp. 1300-1303, 2005.
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59. Clement Yuen, S.F. Yu, Eunice S.P. Leong, H.Y. Yang, S.P. Lau and H.H. Hng,’Formation Conditions of Random Laser Cavities in Annealed ZnO epilayers’, IEEE J. Quantum Electron., Vol. 41, no. 7, pp. 970- 973, 2005.*
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60. Clement Yuen, S.F. Yu, S.P. Lau, Rusli, and T.P. Chen,’ Fabrication of n-ZnO:Al/p-SiC(4H) heterojunction light-emitting diodes by filtered cathodic vacuum arc technique’, Appl. Phys. Lett., 86, 241111, 2005.
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61. H. D. Li, S. F. Yu, A. P. Abiyasa, Clement Yuen, S. P. Lau, H. Y. Yang, and Eunice S.P. Leong,’ Strain Dependence of Lasing Mechanisms in ZnO Epilayers’, Appl. Phys. Lett., 86, 261111, 2005.
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62. Eunice S.P. Leong, S.F. Yu, M.K. Chong, O.K. Tan and K. Pita,’ Metal-Oxide-SiO2 Composite ZnO Thin-Film Waveguide Lasers’, IEEE Photonics Technology Letters, Vol. 17, no.9, pp.1815-1817, 2005.
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63. S.P. Lau, H.Y. Yang, S.F. Yu, H.D. Li, M. Tanemura, T. Okita, H. Hatano and H.H. Hng,’ Laser action in ZnO nanoneedles selectively grown on silicon and plastic substrates’, Appl. Phys. Lett., 87, 013104, 2005.
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64. S.P. Lau, H.Y. Yang, S.F. Yu, Clement Yuen, Eunice S.P. Leong, H.D. Li and H.H. Hng, ’Flexible ultraviolet random lasers based on nanoparticles’, Small, Vo. 1, no. 10, pp.956-959, 2005.
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65. 65. X.H. Ji, S.P. Lau, H.Y. Yang, and S.F. Yu,’Aligned InN nanofingers prepared by the ion-beam assisted filtered cathodic vacuum arc technique’, Nanotechnology, Vol. 16, pp. 3069-3073, 2005.
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66. Rajni, K. Pita, S.C. Tjin, S.F. Yu, and C.H. Kam,’Enhanced photosensitivity in sol-gel derived 20GeO2:80SiO2 thin films’, Applied Physics A-Materials Science & Processing 82 (3): 535-541 MAR 2006.
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67. Clement Yuen, S.F. Yu, S.P. Lau and C.K. Chen,’Design and Fabrication of ZnO Light Emitting Devices by using Filtered Cathodic Vacuum Arc Technique’, Journal of Crystal Growth, Volume 287, Issue 1, Pages 204-212, 2006.
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68. W.J. Fan, A.P. Abiyasa, S.T. Tan, S.F. Yu, X.W. Sun, J.B. Xia, Y.C. Yeo, M.F. Li and T.C. Chong,’Electronic structures of wurtzite ZnO and ZnO/MgZnO quantum well’. Journal of Crystal Growth, Volume 287, Issue 1, Pages 28-33, 2006.
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69. W. J. Fan, J. B. Xia, A.P. Abiyasa, S. T. Tan, S. F. Yu, and X. W. Sun ,’Band parameters and electronic structures of wurtzite ZnO and ZnO/MgZnO quantum wells’, J. Appl. Phys. 99, 013702 (2006).
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70. N.S. Chen and S.F. Yu,’ Design and Analysis of Large-area Vertical-Cavity Semiconductor Optical Amplifiers with Anti-Resonant Reflecting Optical Waveguide’, IEEE/OSA J. Lightwave Technol., Vol. 24, no.1, pp. 526- 535, 2006.
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71. Lei Huang, S.P. Lau, H.Y. Yang and S.F. Yu,’Local measurement of secondary electron emission from ZnO coated carbon nanotubes, Nanotechnology, Vol. 17, pp. 1564-1567, 2006.
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72. H.D. Li, S.F. Yu, S.P. Lau, E.S.P. Leong, H.Y. Yang, T.P. Chen, A.P. Abiyasa & C. Y. Ng,’High temperature lasing characteristics of ZnO epilayers’, Advanced Materials, Vol. 18, issue 6, pp. 771-774, 2006.
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73. A.P. Abiyasa, S.F. Yu, W.J. Fan and S.P. Lau,’Theoretical Investigation of Excitonic Gain in ZnO/MgxZn1-xO Strained Quantum Wells’, IEEE J. Quantum Electron., Vol. 42, Issue: 5, pp. 455-463, 2006.
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74. Eunice S.P. Leong, S.F. Yu, A.P. Abiyasa, S.P. Lau,’ Polarization characteristics of ZnO rib waveguide random lasers’, Appl. Phys. Lett., 88, 091116, 2006.
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75. S.P. Lau, L. Haung, S.F. Yu, H.Y. Yang, J.K. Yoo, S.J. An and G.C Yi,’Enhanced secondary electron emission from III-nitride/ZnO coaxial nanorod heterostructures’, Small, 2, no.6, pp.736-740, 2006.
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76. S.F. Yu, H.D. Li, A.P. Abiyasa, Eunice S.P. Leong and S.P. Lau,’ The formation characteristics of closed-loop random cavities inside highly disordered ZnO polycrystalline thin films’, Appl. Phys. Lett., 88, 121126, 2006.
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77. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, X. H. Ji, J. S. Chen, N. Yasui, & H. Inaba,’Origin of Room Temperature Ferromagnetism in ZnO:Cu films on silicon substrate’, J. Applied Physics, 99, 086161, 2006.
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78. X.H. Zhang, S.J. Chua , A.M. Yong , H.D. Li , S.F. Yu , S.P. Lau,’Exciton related stimulated emission in ZnO polycrystalline thin film deposited by filtered cathodic vacuum arc technique’, Appl. Phys. Lett., 88, 191112, (2006).
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79. X. H. Zhang, S. J. Chua, A. M. Yong, S. Y. Chow, H.Y. Yang , S.P. Lau, S.F. Yu,’Exciton radiative lifetime in ZnO quantum dots embedded in SiOx matrix’, Appl. Phys. Lett., 88, 221903 (2006).
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80. Eunice S.P. Leong and S.F. Yu,’Ultraviolet random lasing action in p-SiC(4H)/i-ZnO-SiO2 nanocomposite/n-ZnO:Al heterojunction diodes‘, Advanced Materials, Vol. 18, Issue 13, pp. 1685-1688, 2006.
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81. H.Y. Yang, S. P. Lau, S. F. Yu, A.P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano,’ High-temperature ZnO nanoneedle random lasers’, Appl. Phys. Lett., 89, 011103 (2006) .
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82. H.D. Li, S.F. Yu, S.P. Lau, and Eunice S. P. Leong,’Simultaneous formation of visible and ultraviolet random lasing in ZnO films’, Appl. Phys. Lett., 89, 021110 (2006).
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83. Rajni, K. Pita, S. F. Yu, S. C. Tjin, C. H. Kam,’ Fabrication of inorganic germanosilicate planar waveguides by UV-imprinting technique’, Appl. Phys. Lett., 89,071105 (2006).
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84. H.Y. Yang, S. P. Lau, S. F. Yu, M. Tanemura, T. Okita, and H. Hatano,’Wavelength-tunable and high-temperature lasing in ZnMgO nanoneedles’, Appl. Phys. Lett., 89, 081107 (2006).
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85. Tanemura, M., Hatano, H., Kitazawa, M.,Tanaka, J., Okita, T., Lau, S.P., Yang, H.Y., Yu, S.F., Huang, L., Miao, L., Tanemura, S.,’ Room-temperature growth of carbon nanofibers on plastic substrates’, Surface Science, 600, 18, 3663-3667, 2006.
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86. P.L. Neo, S.F. Yu and T.D. Wilkinson,’Theoretical studies of polarization bistability in birefringent ARROW VCSELs’, IEEE J. Quantum Electron., Vol. 42, no. 11, pp. 1107- 1114, 2006.
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87. A.P. Abiyasa, S.F. Yu, Clement Yuen and S.P. Lau,’ Influence of surface roughness on the lasing performance of highly disordered ZnO films’, IEEE Photonics Technology Letters, Vol. 18, no. 22, pp. 2380-2382, 2006.
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88. Eunice S.P. Leong, S.F. Yu, and S.P. Lau,’Directional edge-emitting UV random laser diodes’, Appl. Phys. Lett. 89, 221109 (2006).
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89. X. H. Zhang, S. J. Chua, A. M. Yong, H.Y. Yang , S.P. Lau , S.F. Yu , X.W Sun , Lei Miao, Masaki Tanemura , Sakae Tanemura,’ Exciton radiative lifetime in ZnO nanorods fabricated by vapor phase transport method’, Appl. Phys. Lett., 90, 013107 (2007).
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90. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, L. Wang, M. Tanemura and J. S. Chen,’Magnetic anisotropy in the ferromagnetic Cu-doped ZnO nanoneedles’, Appl. Phys. Lett., 90, 032509 (2007).
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91. L. Ding, T. P. Chen, M. Yang, J. I. Wong, Y. Liu, S. F. Yu, F. R. Zhu M. C. Tan, S. Fung,’ C. H. Tung and A. D. Trigg,’ Photon-induced conduction modulation in SiO2 thin films embedded with Ge nanocrystals’, Appl. Phys. Lett., 90, 103102 (2007).
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92. Y. Liu, T. P. Chen, L. Ding, M. Yang, J. I. Wong, C. Y. Ng, S. F. Yu, Z. X. Li, Clement Yuen, F. R. Zhu, M. C. Tan, and S. Fung,’ Influence of charge trapping on electroluminescence from Si-nanocrystal light emitting structure’, J. Appl. Phys., 101, 104306 (2007).
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93. X.H. Ji, S.P. Lau, S.F. Yu, H.Y. Yang, T.S. Herng and J.S. Chen, ’Ferromagnetic Cu-doped AIN nanorods’, Nanotechnology, 18, 105601, (2007).
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94. Clement Yuen, S. F. Yu, E.S.P. Leong, S.P. Lau, K. Pita, H.Y. Yang, and T.P. Chen, ’Room temperature deposition of p-type Arsenic doped ZnO polycrystalline films by laser-assist filtered cathodic vacuum arc technique’, J. Appl. Phys., 101, 094905 (2007).
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95. T.S. Herng, S.P. Lau, S.F. Yu, J.S. Chen and K.S. Teng, ‘Zn-interstitial-enhanced ferromagnetism in Cu-doped ZnO films’, J. Magn. Magn. Mater., Vol. 315, No. 2, pp.107-110, 2007.
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96. X. H. Ji, S. P. Lau, S. F. Yu, H. Y. Yang, T. S. Herng, A. Sedhain, J. Y. Lin, H. X. Jiang, K. S. Teng, and J.S. Chen,’ Photoluminescence of ferromagnetic Fe-doped AlN nanorods’, Appl. Phys. Lett., 90, 193118 (2007).
[ Abstract (HTML) | Full Text (PDF) ]

97. T.S. Herng, S.P. Lau, S.F. Yu, H.Y. Yang, J.S. Chen and K.S. Teng,.‘Ferromagnetic copper-doped ZnO deposited on plastic substrates’, J. Phys.: Condens. Matter, 19, 236214 (2007).
[ Abstract (HTML) | Full Text (PDF) ]

98. W.Y. Tong, Z.X. Li, A.B. Djurisic, W.K. Chan and S.F. Yu,’ Field emission from copper phthalocyanine and copper hexadecafluorophthalocyanine nanowires’, Materials Letters, Volume 61, Issue 18, July 2007, Pages 3842-3846.
[ Abstract (HTML) | Full Text (PDF) ]

99. A.P. Abiyasa, S.F. Yu, S.P. Lau, Eunice S.P. Leong and H.Y. Yang, ‘Enhancement of ultraviolet lasing from Ag-coated highly disordered ZnO films by surface-plasmon-resonance’, Appl. Phys. Lett., 90, 231106 (2007).
[ Abstract (HTML) | Full Text (PDF) ]

100. T S Herng, S P Lau, S F Yu, H Y Yang, K S Teng and J S Chen, Enhancement of ferromagnetism and stability in Cu-doped ZnO by N2O annealing’, J. Phys.: Condens. Matter 19, 356214 (2007).
[ Abstract (HTML) | Full Text (PDF) ]

101. Eunice S.P. Leong, S.F. Yu, S.P. Lau and A.P. Abiyasa,’ Edge-emitting Vertically Aligned ZnO Nanorods Random Laser on Plastic Substrate’, IEEE Photonics Technology Letters, Vol. 19, issue 22, pp. 1792-1794, 2007.
[ Abstract (HTML) | Full Text (PDF) ]

102. L.K. Teh, C.C. Wong , H.Y. Yang , S.P. Lau and S.F. Yu,’ Lasing in Electrodeposited ZnO Inverse Opal’, Appl. Phys. Lett., 91, 161116 (2007).
[ Abstract (HTML) | Full Text (PDF) ]

103. M. Tanemura, H. Hatano, M. Kudo, N. Ide, Y. FujimotoL. L. Miao, H.Y. Yang, S.P. Lau, S.F. Yu, and J. Kato, ‘Low-temperature fabrication and random laser action of doped zinc oxide nanoneedles’, Surface Science 601 (18), pp. 4459-4464, 2007.
[ Abstract (HTML) | Full Text (PDF) ]

104. X. F. Li, S.H. Tsang, S. F. Yu, and W. J. Fan, ‘ Analysis and Design of Anti-resonant Reflecting Optical Waveguide Vertical-Cavity Surface-Emitting Lasers for Above-Threshold Operation’, IEEE/OSA J. Lightwave Technol., Vol. 26, no. 13, pp. 1935 – 1942, 2008.
[ Abstract (HTML) | Full Text (PDF) ]

105. X. F. Li, S. F. Yu, and W. J. Fan, ‘Design of Stable Single-Mode Chaotic Light Source Using Anti-resonant Reflecting Optical Waveguide Vertical-Cavity Surface-Emitting Lasers’, IEEE J. Quantum Electron., Vol. 44, No. 4, Apr., pp. 338 – 345, 2008.
[ Abstract (HTML) | Full Text (PDF) ]

106. X.F. Li and S.F. Yu,’Static and dynamic modeling of circular grating coupled distributed feedback lasers’, IEEE J. Quantum Electron., Vol. 44, No. 8, Aug., pp. 770-776, 2008.
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107. Y. F. Hsu, E. S. P. Leong, W. M. Kwok, A. B. Djurišic, S. F. Yu, D. L. Phillips, and W. K. Chan ‘Lasing threshold dependence on excitation pulse duration in ZnO tetrapods’, Optical Materials, Vol. 31, no.1, pp. 35-38, 2008.
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108. R.G. Mote, S.F. Yu, B.K. Ng, Wei Zhou, and S.P. Lau,’Near-field focusing properties of zone plates in visible regime – New insights’, Optics Express, Vol. 16, no. 13, pp. 9554-9564, 2008.
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109. X.F. Li and S.F. Yu,’Multiple-Mode Behavior of Circular-Grating-Coupled Distributed Feedback Lasers’, IEEE/OSA J. Lightwave Technol., Vol. 26, no. 19, Oct., pp. 3345 – 3354, 2008.
[ Abstract (HTML) | Full Text (PDF) ]

110. Ashwani Kumar, S.F. Yu, X.F. Li and S.P. Lau, ‘Surface plasmonic lasing via the amplification of coupled surface plasmon waves inside dielectric-metal-dielectric waveguides’, Optics Express, Vol. 16, no. 20, pp. 16113-16123 2008.
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111. M.K.Chong, A.P.Abiyasa, K.Pita, and S.F.Yu,’ Induced visible red random lasing in Y2O3:Eu3+/ZnO polycrystalline thin films by energy transfer from ZnO films to Eu3+’, Appl. Phys. Lett., 93, 151105, 2008.
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112. X.F. Li and S.F. Yu,’Modeling of rabi splitting in quantum well microcavities using time-dependent transfer matrix method’, Optics Express, Vol. 16, no. 23, pp. 19285 -19290, 2008.
[ Abstract (HTML) | Full Text (PDF) ]

113. T. S. Herng, S. P. Lau, S. F. Yu, S. H. Tsang, K. S. Teng, J. S. Chen,’ Ferromagnetic Cu doped ZnO as an electron injector in heterojunction light emitting diodes’, J. Appl. Phys., 104, 103104, 2008.
[ Abstract (HTML) | Full Text (PDF) ]

114. R.G. Mote, S.F. Yu, Wei Zhou, and X.F. Li,’Design and analysis of two-dimensional high-index-contrast grating surface-emitting lasers’, Optics Express, Vol. 17, Issue 1, pp.260-265, 2009.
[ Abstract (HTML) | Full Text (PDF) ]

115. S. H. Tsang, S. F. Yu, S. P. Lau, H.Y. Yang and X.F. Li,’ Suppression of random lasing modes in polycrystalline ZnO thin-film by using distributed Bragg reflector’, IEEE Photonics Technology Letters, 2009 issue.
[ Abstract (HTML) | Full Text (PDF) ]


* Copyright © 1993-08 The Institute of Electrical and Electronics Engineers, Inc. All rights reserved.

CONFERENCE PAPERS
1. S.F. Yu, L.M. Zhang, R.G.S. Plumb & J.E. Carroll,'Analysis of grating coupled surface emitting lasers', SIOE'92 Proceedings, Cardiff, U.K. (30th March,1992).

2. S.F. Yu, L.M. Zhang, R.G.S. Plumb & J.E. Carroll,'Changing far-field patterns of grating coupled surface emitting lasers', COST 240 Workshop Proceedings, Athens, Greece (9th November, 1992).

3. S.F. Yu, R.G.S. Plumb, L.M. Zhang,"Large signal dynamic behaviour of distributed feedback lasers including lateral effects',ISLOE'93 Proceedings,Singapore, (11th November, 1993).

4. S.F. Yu, E.H. Li & M.C. Nowell,'Transient response of lateral modes unders direct modulation of l/4 shifted DFB lasers', First Chinese (Beijing-HongKong-Taipei) Optoelectronics Workshop, Chinese University, Hong Kong, (29th August, 1994).

5. S.F. Yu,'Large signal dynamic model of vertical cavity surface emitting lasers', IEEE Laser Electro-Optics Society 1995 Annual Meeting (LEOS '95), paper no. SCL16.2, San Francisco, (October 30 -November 2, 1995).

6. C.W. Lo, S.F. Yu & E.H Li,'Vertical cavity surface emitting lasers with diffused quantum wells,'IEEE TECON'95, IEEE Region 10 International Conference on Microelectronics and VLSI "Asia-Pacific Microelectronics 2000", Proceedings, pp.93-94, 6-10 Nov, 1995.
7. Y.L. Ling, S.F. Yu & E.H. Li,'Dynamic response of buried heterostructure and stripe geometry l/4 DFB semiconductor lasers', IEEE HKEDM'95, July 1, pp. 33-35, 1995.

8. C.W. Lo, S.F. Yu & E.H. Li,'Fabry Perot semiconductor lasers with periodic diffused quantum wells structure', IEEE HKEDM'95, July 1, pp. 30-32, 1995.

9. E.H. Li, S.F. Yu, M.C.Y. Chan & C.W. Lo,'High power single longitudinal mode operation of l/4 shifted DFB lasers with non uniform diffused quantum wells', 10th International Conference on Integrated Optics and Optical Fiber Communication (IOOC'95) Hong Kong, June 26-30, 1995.

10. S.F. Yu, T.I. Yuk & E.H. Li, 'Side mode discrimination in large area vertical cavity surface emitting laser by using impurty-induced disordering', First Optoelectronics and Communications Conference (OECC'96), July 16-19, 1996, Nippon Convention Center, Makuhari Messe, Chiba, Japan.

11. T.I. Yuk, Y.M. Ma & S.F. Yu,'Theoretical modeling of relaxation oscillation of Er3+-doped waveguide laser with grating using time domain algorithm', First Optoelectronics and Communications Conference (OECC'96), July 16-19, 1996, Nippon Convention Center, Makuhari Messe, Chiba, Japan.

12. T.I. Yuk, Y.M. Ma & S.F. Yu,'Time domain model of Er3+-doped waveguide laser',International conference on applications of photonic technology, July 29 - August 1, 1996, Montreal Bonaventure Hilton Hotel, Montreal, Canada.

13. S.F. Yu,'Influence of external optical injection on polarization bistability of vertical cavity lasers', International symposium on information science and technology (ISIT'96), Huairou County, Beijing, China, (16-18 September, 1996).

14. S.F. Yu,'Polarization bistability of vertical cavity lasers under external optical injection', IEEE Laser Electro-Optics Society 1996 Annual Meeting (LEOS '96), paper no. ThJ2, Boston, Massachusetts (18-21 November, 1996).

15. C.W. Lo & S.F. Yu,'Single mode operation of impurity-induced disordering large area vertical cavity surface emitting lasers', Materials Research Society 1996 Fall Meeting, Boston, Massachusetts, USA (2-6 December,1996).

16. S.F. Yu, 'Dynamic model of vertical cavity surface emitting lasers', Third Chinese (Beijing-HongKong-Taipei) Optoelectronics Workshop, Jilin University, China, (12-14th August,1996).

17. S.F. Yu,' Analysis and Design of High-Power Single-Mode Double Tapered Waveguide DFB Lasers', (invited) Progress in Electromagnetics Research Symposium (PIERS'97), January 6-9, 1997, City University of Hong Kong, Kowloon, Hong Kong.

18. P. Shum, S.F. Yu & T.I. Yuk,' Analysis of Initial Frequency Chirp and Soliton Interaction on Nonlinear Pulse Propagation in a Dispersion-Shifted Fiber', (invited) Progress in Electromagnetics Research Symposium (PIERS'97), January 6-9, 1997, City University of Hong Kong, Kowloon, Hong Kong.

19. S.F. Yu & E.H. Li,'Influence of interdiffusion on the dynamic behavior of quantum well lasers', Second Optoelectronics and Communications Conference (OECC'97), Intercontinental Hotel, Seoul, Korea, (July 8-11, 1997).

20. P. Shum, S.F. Yu & E.H. Li,'Effects of initial frequency chirp on soliton formation', Second Optoelectronics and Communications Conference (OECC'97), Intercontinental Hotel, Seoul, Korea, (July 8-11, 1997).

21. T.I. Yuk, P. Shum & S.F. Yu,'Numerical simulation as a modeling and teaching tool of optical device system', The 5th International topical meeting on education & training in optics, August 19-21, 1997 at Delft, the Netherlands.

22. E.H. Li & S.F. Yu,'Vertical cavity surface emitting lasers using diffused quantum wells', International Topic Meeting on Photoelectronics’, Beijing, China (14-17 October, 1997).

23. E.H. Li & S.F. Yu,'Enhancement of mode stability in vertical cavity surface emitting lasers with diffused quantum wells structure', IEEE Laser Electro-Optics Society 1997 Annual Meeting (LEOS '97), San Francisco, CA (10-13 November, 1997).

24. T. I. Yuk, P. Shum, S. F. Yu, & E.H. Li,'Analysis of nonlinear pulse propagation in an optical fiber laser', IEEE Laser Electro-Optics Society 1997 Annual Meeting (LEOS '97), San Francisco, CA (10-13 November, 1997).

25. S.F. Yu, E.H. Li & W.M. Man,'Active Anti-guide Vertical Cavity Surface Emitting Lasers with Diffused Quantum Wells structure', Materials Research Society 1997 Fall Meeting, Boston MA, (1-5 December, 1997).

26. S.F. Yu,'Modeling of Diffused Quantum Wells Vertical Cavity Surface Emitting Lasers', Optoelectronics’98-Integrated Devices and Applications (Photonics West), San Jose, California, (24-30 January, 1998).

27. P. Shum, S. F. Yu & T. I. Yuk,'Efficient analysis of high power nonlinear soliton propagation', submitted to Asia Pacific Symposium on Optoelectronics (Photonics Taiwan), Taipei, Taiwan, (9-11) July, 1998.

28. T.I. Yuk, S.F.Yu & P. Shum,'Numerical simulation models of soliton systems', International conference on applications of photonic technology, July 29 - August 1, 1998, Canada.

29. P. Shum, S. F. Yu, WA Gambling and T. I. Yuk,'Efficient Analysis of High Power Nonlinear Soliton Propagation', SPIE Asia Pacific Symposium on Optoelectronics 98, 9-11 July 1998, Taiwan, Vol.3420, p.18, 1998.

30. W.M Man and S.F. Yu,'Effect of non-uniform distribution of carrier concentration on the dynamic behavior of QW lasers', HKEDM98.

31. S.F. Yu,'Dynamic modeling of vertical cavity surface emitting lasers using modified time domain traveling-wave algorithm', PHOTONICS-98, International Conference on Fiber Optics and Photonics, Indian Institute of Technology Delhi, New Delhi, India, December 14-18, 1998.

32. P. Shum & S.F. Yu,'An adaptive grid technique for nonlinear optical analysis', The 5th IUMRS International Conference on Advanced Materials, Beijing, China, (13-18) June, 1999.

33. W.M. Man & S.F. Yu,' Effects of aperture size on the dynamic response of vertical cavity surface emitting lasers', The 5th IUMRS International Conference on Advanced Materials, Beijing, China, (13-18) June, 1999.

34. S.F. Yu,'Analysis of the dynamic behavior of vertical cavity surface emitting lasers by using time domain transfer matrix method', (Invited) The 5th IUMRS International Conference on Advanced Materials, Beijing, China, (13-18) June, 1999.

35. S.F. Yu & P. Shum,'Effective modeling on the dynamic response of VCSEL's', The forth Chinese (Beijing-HongKong-Taipei) Optoelectronics Workshop, Industrial Technology Research Institute, Hsinchu, Taiwan, (6-8) July, 1999.

36. P.C. Chui & S.F. Yu,'Lateral loss effects on modulation bandwidth in VCSEL',1999 IEEE/LEOS Summer Topical Meetings, Sherton San Diego, CA , (26-30) July, 1999.

37. S.F. Yu, P. Shum and E.H. Li,'Self-sustained pulsation in vertical cavity surface emitting lasers under external optical feedback', Photonics West, San Jose Convention Center, San Jose, California, USA, (22-28) January, 2000.

38. P. Shum, S.F. Yu and E.H. Li,'Split step reconstruction technique for the analysis of soliton propagation', Photonics West, San Jose Convention Center, San Jose, California, USA, (22-28) January, 2000.

39. P. Shum, S. F. Yu and H. Ghafouri-Shiraz,' Analysis of Nonlinear Soliton Propagation by the Improved FMAT', SPIE annual meeting, 31 July-3 August 2000, San Diego Convention Centre, California, USA.

40. S.F. Yu, P. Shum, W.D. Zhong and X. Niu,'Secured Optical Communicaition', Third International Conference on Information, Communications & Signal Processing (ICICS 2001), Mandarin Singapore Hotel, Singapore, (15-18) October, 2001.

41. H.G. Yu, C.Q. Xu, S.F. Yu, L.P. Zhano and Z.P. Fang, 'A novel structure of external cavity semiconductor lasers with suppressed thermally induced wavelength shift and mode hopping', ICOCN'2002, Shangri-La Hotel, Singapore, (11-14) November, 2002.

42. S.F. Yu and Q.N. Ngo,'Simple model for DFB laser integrated with Mach-Zehnder modulator', Materials and Devices for Optical and Wireless Communications, Aisa-Pacific Optical and Wireless Communications 2002, 14-18 October 2002, Shanghai.

43. S.F. Yu, Clement Yuen, Daniel Lau Shu Ping and Tay Beng Kang 'Optical Pumped ZnO Thin Film UV Resonators on Silicon Substrate',2nd International Conference on Materials for Advanced Technologies & IUMRS - International Conference in Asia 2003, 29 June - 4 July, 2003, Suntec Singapore International Convention and Exhibition Centre, Singapore.

44. S.F. Yu,Modal characteristics of Anti-reflection Reflecting Optical Waveguide Vertical Cavity Surface Emitting Lasers', (invited talk) IEEE/LEOS International Conference on "Numerical Simulation of Semiconductor Optoelectronic Devices (NUSOD)", Komaba Campus, the University of Tokyo, Tokyo, Japan, October 13-16, 2003.

45. S.F. Yu, X.W. Sun, C. Yuen and S.P. Lau,' Investigation of the Ultraviolet Lasing Characteristics of Zinc Oxide Hexagonal Microtubes', IEEE/LEOS International Conference on "Numerical Simulation of Semiconductor Optoelectronic Devices (NUSOD)", Komaba Campus, the University of Tokyo, Tokyo, Japan, October 13-16, 2003.

46. S.F. Yu, Eunice S.P. Leong, S.P. Lau and Clement Yuen,’ Formation of Random Laser Action in ZnO Thin Films’, (invited talk) 5th International Conference on Thin Film Physics and Application (TFPA2004) May 31-June 2 (2004) Shanghai, China.


BOOK CHAPTERS AND BOOKS
1. S.F. Yu & C.W. Lo, 'Diffused Quantum Wells Semiconductor Lasers', a chapter in Interdiffusion in Quantum Well and Superlattice, Gordan & Breach (London, England), 1998. (ISBN 90-5699-689-4)

2. S.F. Yu, C.W. Lo & E.H. Li, 'Investigation of high power single mode operation in DFB and FP lasers using diffused quantum wells structure', SPIE's Milestone Series of Selected Reprints on the subject Quantum Well Intermixing for Photonics, SPIE Optical Engineering Press, 1998. (ISBN 0-8194-2856-6)

3. S.F. Yu, 'Modeling the dynamics of VCSELs', a chapter in Vertical Cavity Surface Emitting Laser Devices, Springer-Verlag (Heidelberg, Germany) Series on Photonics, 2002. (ISBN 3-540-67851-4) [ Abstract (HTML) | Full Text (PDF) ]

4. S.F. Yu, 'Design and Analysis of Vertical Cavity Surface Emitting Laser', Wily Series in Lasers and Applications, Wiley & Son, Inc, NY, 2003. (ISBN 0-471-39124-7) [ Abstract (HTML) | Contents (PDF) ]


PATENTS
1. S.F. Yu,Clement Yuen, S.P. Lau,'Zinc Oxide Thin-Film Random Lasers on Silicon Substrate', US Provisional Patent, ETPL ref: SRC/P//1670/US.