[1] D. D. MoGregor, Rev. Sci. Instrum. 58, 1067 (1987).

[2] C. A. Wang, IEEE. J. Quantum Electron. 28, 942 (1992).

[3] B. Du, Semiconductor Laser Theory (in Chinese) (Weapon Industry Publishing Company, Beijing, 2001).

[4] Y. Zhang, W. Chen, H. Jiang, C. Liu, and S. Liu, Semiconductor Journal (in Chinese) 22, 11 (2001).

[5] J. Wang, B. Xiong, C. Sun, Z. Hao, and Y. Luo, Chin. J. Lasers (in Chinese) 32, 1031 (2005).

[6] G. H. B. Thompson, G. D. Henshall, J. E. A. Whiteaway, and P. A. Kirkby, J. Appl. Phys. 47, 1 (1976).