[1] [1] J. A. Stratton and L. J. Chu, Phys. Rev. 56, 99 (1939).

[2] [2] O. Mitrofanov, M. Lee, J. W. P. Hsu, L. N. Pfeiffer, K. W. West, J. D. Wynn, and J. F. Federici, Appl. Phys. Lett. 79, 907 (2001).

[3] [3] X. Deng, B. Wu, and S. Xiao, Acta Opt. Sin. (in Chinese) 21, 1432 (2001).

[4] [4] G. Zhou, D. Zhao, and S. Wang, Acta Photon. Sin. (in Chinese) 31, 874 (2002).

[5] [5] G. Zhou, D. Zhao, and S. Wang, Acta Opt. Sin. (in Chinese) 23, 22 (2003).

[6] [6] G. D. Gillen and S. Guha, Am. J. Phys. 72, 1195 (2004).

[7] [7] S. Guha and G. D. Gillen, Opt. Express 13, 1424 (2005).

[8] [8] K. Duan and B. Lü, Opt. Laser Technol. 37, 193 (2005).

[9] [9] R. Martínez-Herrero, P. M. Mejías, S. Bosch, and A. Carnicer, J. Opt. Soc. Am. A 18, 1678 (2001).

[10] [10] H. Guo, J. Chen, and S. Zhuang, Opt. Express 14, 2095 (2006).

[11] [11] L. Mandel and E. Wolf, Optical Coherence and Quantum Optics (Cambridge University Press, Cambridge, 1995).

[12] [12] W. H. Carter, J. Opt. Soc. Am. 62, 1195 (1972).

[13] [13] C. G. Chen, P. T. Konkola, J. Ferrera, R. K. Heilmann, and M. L. Schattenburg, J. Opt. Soc. Am. A 19, 404 (2002).

[14] [14] G. Zhou and S. Wang, Chinese J. Lasers (in Chinese) 32, 67 (2005).

[15] [15] M. Born and E. Wolf, Principles of Optics (4th edn.) (Pergamon, New York, 1970).