[4] Duvillaret L, Garet F, Coutaz J. IEEE Journal of Selected Topics in Quantum Electronics, 1996, 2(3): 739.

[5] Ueno Y, Rungsawang R, Tomita I, et al. Analytical Chemistry, 2006, 78(15): 5424.

[7] Lisa M Zurk, et al. J. Opt. Soc. Am. B, 2007, 24(9): 2238.

[8] Franz M, Fischer B M, Walther M. Appl. Phys. Lett., 2008, 92(021107): 1.

[9] Shen Y C, et al. Appl. Phys. Lett., 2008, 92(051103): 1.

[10] Mayank Kaushik, et al. in Proc. 35th Int. Conf. Infr., Millimeter Terahertz Waves, Rome, Italy, Sep. 2010. 1.

[11] Mayank Kaushik, et al. IEEE Photonics Technology Letters, 2012, 24(2): 155.

[12] Mayank Kaushik, et al. Appl. Phys. Lett., 2012, 100(011107): 1.

[14] Aparajita Bandyopadhyay, et al. Int. J. Infrared Milli. Waves, 2007, 28: 969.

[15] Jeppe Revall Frisvad, et al. Preprint. To Appear at SIGGRAPH 2007, 1.

[16] Zhang Zhaohui. Front. Optoelectron. China, 2009, 2(3): 239.