[1] S. Almaviva, M. Marinelli, E. Milani, G. Prestopino, A. Tucciarone, C. Verona, G. Verona-Rinati, M. Angelone, and M. Pillon, Diamond Relat. Mater. 18, 101 (2009).

[2] Z.-C. Dong, A. S. Trifonov, N. V. Suetin, and P. V. Minakov, Surface Science 549, 203 (2004).

[3] S. M. Baker, G. R. Rossman, and J. D. Baldeschwieler, J. Appl. Phys. 74, 4015 (1993).

[4] M. I. Eremets, Semicond. Sci. Technol. 6, 439 (1991).

[5] P. Olivero, S. Rubanov, P. Reichart, B. C. Gibson, S. T. Huntingtor, J. Rabeau, A. D. Greentree, J. Salzman, D. Moore, D. N. Jamieson, and S. Prawer, Advanced Materials 17, 2427 (2005).

[6] Y. Koide, M.Y. Liao, and M. Imura, Diamond Relat. Mater. 19, 205 (2010).

[7] E. Berdermann, K. Blasche, P. Moritz, H. Stelzer, and B. Voss, Diamond Relat. Mater. 10, 1770 (2001).

[8] Y. Koide, M. Y. Liao, J. Alvarez, M. Imura, K. Sueishi, and F. Yoshifusa, Nano-Micro Lett. 1, 30 (2009).

[9] E. Anastassakis and E. Burstein, J. Opt. Soc. Am. 61, 1618 (1971).

[10] K. Arya and S. S. Jha, Phys. Rev. B 20, 1611 (1979).

[11] M. D. Levenson and N. Bloembergen, Phys. Rev. B 10, 4447 (1974).

[12] A. Yariv and P. Yeh, (eds.) Optical Waves in Crystals: Propagation and Control of Laser Radiation (John Wiley & Sons Inc., New York, 1984).

[13] Z. Chen, J. Zhao, Y. Zhang, G. Jia, X. Liu, C. Ren, W. Wu, J. Sun, K. Cao, S. Wang, and B. Shi, Acta Opt. Sin. (in Chinese) 29, 1336 (2009).

[14] K. Cao, Z. Chen, C. Ren, G. Jia, T. Zhang, X. Liu, B. Shi, and J. Zhao, Microelectronics J. 40, 70 (2009)

[15] J. Li, B. Zhu, and G. Wei, (eds.) Crystal Optics (in Chinese) (Beijing Institute of Technology Press, Beijing, 1989) p.83.

[16] Y. Zhang, Z. Chen, G. Jia, B. Shi, C. Ren. X. Liu, and W. Wu, J. Infrared Millim. Waves (in Chinese) 27, 165 (2008).

[17] R. A. Soref and B. R. Bennett, IEEE J. Quantum Electron. 23, 123 (1987).