1. C. Y Tsai, C. H. Chen, T. L. Sung, C. Y. Tsai, and J. M. Rorison, “Theoretical modeling of carrier and lattice heating effects for frequency chirping in semiconductor lasers,” Appl. Phys. Lett., vol. 74, pp. 917-919, 1999.

2. C.Y. Tsai, C. H. Chen, T. L. Sung, C. Y. Tsai, and J. M. Rorison, “Theoretical modeling of the small-signal modulation response of carrier and lattice temperatures with the dynamics of nonequilibrium optical phonons in semiconductor lasers,” IEEE J. Select. Topics Quantum Electron., vol. 5, pp. 596-605, 1999.

3. C. Y. Tsai, Chih-Hsiung Chen, Tei-Li Sung, Chin-Yi Tsai, and J. M. Rorison, "Theoretical modeling of nonequilibrium optical phonons and electron energy relaxation in GaN,” J. Appl. Phys., vol. 85, pp. 1475-1480, 1999.
4. C. Y. Tsai, C. Y, Tsai, C. H. Chen, T. L. Sung, T. Y. Wu, and F. P. Shih, “Theoretical Model for intravalley and intervalley free carrier absorption in semiconductor lasers: beyond the classical Drude model,” IEEE J. Quantum Electron., vol. 34, pp. 552-558, 1998.

5. C. Y. Tsai, C. H. Chen, T. L. Sung, C. Y. Tsai, and J. M. Rorison, “Theoretical modeling of the frequency response of the carrier and lattice temperatures with nonequilibrium optical phonons in semiconductor lasers,” Electron. Lett. vol. 34, pp. 2337-2339, 1998.

6. C. Y. Tsai, F. P. Shih, T. L. Sung, C. H. Chen, T. Y. Wu, and C. Y. Tsai, “Effects of carrier heating, nonequilibrium LO phonons, and lattice heating on the small-signal modulation response of semiconductor lasers,” IEE Proc.-Optoelectronics, vol. 145, pp. 13-20, 1998.

7. F. P. Shih, C. H. Chen, T. Y. Wu, T. L. Sung, and C.Y. Tsai, “Effects of electron-hole energy transfer on the nonlinear gain coefficients in the small-signal modulation response of semiconductor lasers,” Appl. Phys. Lett., vol. 71, pp. 1747-1749, 1997.

8. C. Y. Tsai, F. P. Shih, T. L. Sung, T. Y. Wu, C. H. Chen, and C.Y. Tsai, “A small signal analysis on the modulation response of high-speed quantum-well lasers: effects of spectral hole burning, carrier heating, and carrier diffusion-capture-escape,” IEEE J. Quantum Electron., vol. 33, pp. 2084-2096, 1997.

9. C. Y. Tsai and C. Y. Tsai, “Effects of carrier heating on the frequency chirping of semiconductor lasers,” Electron. Lett., vol. 33, pp. 2043-2045, 1997.

10. R. M. Spencer, J. Greenberg, L. F. Eastman, C. Y. Tsai, and S. S. O’Keefe, “High-speed direct modulation of semiconductor lasers,” International J. High Speed Electronics and Systems, vol. 8, pp. 41-80, 1997.

11. C. Y. Tsai and C. Y. Tsai, “Carrier density depinning above threshold in semiconductor lasers: effects of carrier heating and spectral hole burning,” IEE Proc.-Optoelectronics, vol. 144, pp. 209-212, 1997.

12. C. Y. Tsai, C. Y. Tsai, L. F. Eastman, and Y. H. Lo, “Nonlinear gain coefficients in semiconductor lasers: effects of carrier heating,” IEEE J. Quantum Electron., vol. 32, pp. 201-212, 1996.

13. C. Y. Tsai, C. Y. Tsai, Y. H. Lo, and R. M. Spencer, “Effects of spectral hole burning, carrier heating, and carrier transport on the small-signal modulation response of quantum well lasers,” Appl. Phys. Lett., vol. 67, pp. 3084-3086, 1995.

14. C. Y. Tsai, C. Y. Tsai, L. F. Eastman, and Y. H. Lo, “Carrier energy relaxation time in quantum well lasers,” IEEE J. Quantum Electron., vol. 31, pp. 2148-2158, 1995.

15. C. Y. Tsai, Y. H. Lo, R. M. Spencer, and C. Y. Tsai, “Effects of hot phonons on carrier heating in quantum well lasers” IEEE Photon. Technol. Lett., vol. 7, pp. 950-951, 1995.

16. C. Y. Tsai, C. Y. Tsai, Y. H. Lo, R. M. Spencer, and L. F. Eastman, “Nonlinear gain coefficients in semiconductor quantum well lasers: effects of carrier diffusion, capture, and escape,” IEEE J. Select. Topics Quantum Electron., vol. 1, pp. 316-330, 1995.

17. C. Y. Tsai, C. Y. Tsai, L. F. Eastman, and Y. H. Lo, “Carrier DC and AC capture and escape times in quantum well lasers,” IEEE Photon. Technol. Lett., vol. 7, pp. 599-601, 1995.

18. C. Y. Tsai, L. F. Eastman, Y. H. Lo, and C. Y. Tsai, “Carrier capture and escape in multisubband quantum well lasers,” IEEE Photon. Technol. Lett., vol. 6, pp. 1088-1090, 1994.

19. C. Y. Tsai, L. F. Eastman, Y. H. Lo, and C. Y. Tsai, “Breakdown of thermionic emission theory for quantum wells,” Appl. Phys. Lett., vol. 65, pp. 469-471, 1994.

20. C. Y. Tsai, L. F. Eastman, Y. H. Lo, and C. Y. Tsai, “Carrier energy relaxation rate in multisubband quantum well lasers with hot phonon effects,” J. Appl. Phys., vol. 76, pp. 5334-5338, 1994.

21. C. Y. Tsai, L. F. Eastman, and Y. H. Lo, “Hot carrier and hot phonon effects on high-speed quantum well lasers,” Appl. Phys. Lett., vol. 63, pp. 3408-3410, 1993.

22. E. Sweetland, C. Y. Tsai, B. A. Wintner, J. D. Brock, and R. E. Thorne, “Measurement of the charge density-wave correlation length in NbSe3 by high-resolution x-ray scattering,” Phys. Rev. Lett., vol. 65, pp. 3165-3168, 1990

1. C. C. Yang, Shih-Wei Feng, Yen-Sheng Lin, Yung-Chen Cheng, Chi-Chih Liao, Chin-Yi Tsai, Kung-Jeng Ma, and Jen-Inn Chyi, "On Indium Segregation in InGaN/GaN Quantum Well Structures," SPIE Meeting on Ultrafast Phenomena in Semiconductors V, San Jose, US, January 2001. (invited)

2.Yen-Sheng Lin, C. Hsu, Kung-Jen Ma, Shih-Wei Feng, Yung-Chen Cheng, Yi-Yin Chung, Chih-Wen Liu, Chin-Yi Tsai, and C. C. Yang, "Structures of Indium-rich Clusters in InGaN/GaN Quantum Wells," Annual Meeting of R.O.C. Physics Society, Taipei, R.O.C., Feb. 2001.

3. Shih-Wei Feng, Yung-Chen Cheng, Yi-Yin Chung, Chih-Wen Liu, Chin-Yi Tsai, C. C. Yang, Yen-Sheng Lin, and Kung-Jen Ma, "Carrier Location in InGaN/GaN Multiple Quantum Well Structures," Annual Meeting of R.O.C. Physics Society, Taipei, R.O.C., Feb. 2001.

4. S. W. Feng, C. Y. Tsai, Y. C. Cheng, C. C. Liao, C. C. Yang, Y. S. Lin, K. J. Ma, and J. I. Chyi, "Phonon-Assisted Transitions in InGaN/GaN Quantum Well Structures," International Photonics Conference 2000, Hsinchu, R.O.C., December 2000.

5. S. W. Feng, C. Y. Tsai, Y. C. Cheng, C. C. Liao, C. C. Yang, Y. S. Lin, K. J. Ma, and J. I. Chyi, "Carrier Localization in InGaN/GaN Multiple Quantum Well Structures," International Photonics Conference 2000, Hsinchu, R.O.C., December 2000.

6. C. Y. Tsai, C. H. Chen, T. L. Sung, C. Y. Tsai, and C. C. Yang, "SPICE Circuit Models for Semiconductor Lasers with Effects of Carrier and Lattice Heating," Proceedings of SPIE, Vol. 4078, pp. 353-364, 2000.

7. C. Y. Tsai, C. Y. Tsai, C. H. Chen, T. L. Sung, F. P. Shih, and T. Y. Wu, “Theoretical model for studying hot phonon effects and electron energy relaxation in GaN: The roles of A1 mode and E1 mode optical phonons,” Optoelectronic Materials and Devices, Proc. SPIE, vol. 3419, pp. 310-316, 1998.

8. C. Y. Tsai, F. P. Shih, C. H. Chen, T. L. Sung, T. Y. Wu, and C. Y. Tsai, “Thermal modeling in semiconductor lasers by incorporating the effects of carrier heating, nonequilibrium optical phonons, and thermal conduction of acoustic phonons,” Optoelectronic Materials and Devices, Proc. SPIE, vol. 3419, pp. 399-421, 1998.

9. C. Y. Tsai, T. Y. Wu, C. H. Chen, T. L. Sung, F. P. Shih and C. Y. Tsai, “Hot-carrier effects on second-order harmonic distortion of directly modulated semiconductor lasers: A theoretical investigation,” Optical Fiber Communication, Proc. SPIE, vol. 3420, pp. 330-336, 1998

10. C. Y. Tsai, C. H. Chen, and Tien-Li Sung, “Theoretical modeling of energy transfer processes in semiconductor lasers: The phonon bath sharing of nonequilibrium optical phonons,” Semiconductor and Integrated Optoelectronic Conference, SIOE'98, Cardiff, UK, Apr. 6-8, 1998.

11. C. H. Chen, C. Y. Tsai, T. L. Sung, and C. Y. Tsai, “Simulating carrier and lattice heating with the effects of nonequilibrium optical phonons in the modulation response of high-speed semiconductor lasers", 6 th IEEE International Workshop on High performance Electron Devices for Microwave and Optoelectronic Applications, EDMO'98, Manchester, UK, pp. 194-199, Nov. 23-24, 1998.
12. C. H. Chen, C. Y. Tsai, and T. L. Sung, “Theoretical Modelling of Electron Energy Relaxation and Nonequilibrium Optical Phonons In GaN,” Condensed Matter and Materials Physics, CMMP 98, Institute of Physics, Manchester, UK, p. 96, 21-23 Dec., 1998.

13. F. P. Shih, T. Y. Wu, C. H. Chen, T. L. Sung, C. Y. Tsai, and C. Y. Tsai, “Effects of nonequilibrium LO phonons on the carrier heating in semiconductor quantum-well lasers,” 3rd International Workshop on Thermal Investigation of ICs and Microstructure, Cannes, France, Sep. 21-23, pp. 192-194, 1997.

14. F. P. Shih, T. L. Sung, C. H. Chen, T. Y. Wu, C. Y. Tsai, and C. Y. Tsai, “Nonlinear gain coefficient in semiconductor lasers,” the 3rd IEEE High Frequency Postgraduate Student Colloquium, Leeds, UK, Sep. 19, pp. 65-66, 1997.

15. T. Y. Wu, F. P. Shih, T. L. Sung, C. H. Chen, C. Y. Tsai, and C. Y. Tsai, “Effects of Hot Carriers and Hot Phonons on the Second-Order Harmonic Distortion in CATV Semiconductor Lasers,” 3rd IEEE High Frequency Postgraduate Student Colloquium, Leeds, UK, Sep. 19, pp. 67-68, 1997.

16. T. L. Sung, C. H. Chen, C. Y. Tsai, and C. Y. Tsai, “Effects of carrier heating on the frequency chirping of semiconductor lasers,” 5th IEEE International Workshop on High Performance Electron Devices for Microwave and Optoelectronic Application, London, UK, Nov. 24-25, pp. 229-231, 1997.

17. C. Y. Tsai, Y. H. Lo, R. M. Spencer, L. F. Eastman, and C. Y. Tsai, “A theoretical investigation for the effects of spectral hole burning, hot carrier, hot phonon, and carrier diffusion-capture escape on the limitations of the modulation bandwidth in high-speed quantum well lasers,” IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, New York, August 7-9, 1995.

18. C. Y. Tsai, Y. H. Lo, R. M. Spencer, L. F. Eastman, and C. Y. Tsai, “Degradation of resonant frequency in high-speed quantum well lasers: Effects of spectral hole burning, hot carrier, hot phonon, and carrier diffusion-capture-escape,” IEEE Lasers and Electro-Optics Society, 8th annual meeting, San Francisco, California, Oct. 30-Nov. 2, 1995.

19. R. M. Spencer, S. S. O'Keefe, C. Y. Tsai, J. Greenberg, J. Braunstein, G. H. Martin, W. J. Schaff, and L. F. Eastman, “Optimization of the optical guide design and cavity design of multiple quantum well lasers for efficient microwave optical link,” IEEE/Cornell Conference on Advance Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, New York, August 7-9, 1995

20. R. M. Spencer, S. S. O'Keefe, C. Y. Tsai, J. Greenberg, J. Braunstein, G. H. Martin, W. J. Schaff, and L. F. Eastman, “Temperature effects on the performance of high-speed quantum well lasers,” 19'th Workshop on Compound Semiconductor Devices and Integrated Circuits, Stockholm, Sweden, May 21-24, 1995.

21. R. M. Spencer, S. S. O'Keefe, W. J. Schaff, L. F. Eastman, and C. Y. Tsai, “Temperature effects on the high speed performance of quantum well lasers,” IEEE Lasers and Electro-Optics Society, 8th annual meeting, San Francisco, California, Oct. 30-Nov. 2, 1995.

22. C. H. Lin, C. Y. Tsai, C. L. Chu, and Y. H. Lo, “Effects of transport limited nonuniform pumping on multiple quantum well semiconductor lasers,” LEOS '94 7th Annual Meeting, Boston, Massachusetts, Oct. 31-Nov. 3, 1994.