1. Zhang, X.C. and Xu, J., Introduction to THz Wave Photonics, New York-Dordrecht-Heidelberg-London: Springer, 2010.
2. Terahertz Spectroscopy, Principles and Applications, Dexheimer, S.L., (ed.), Taylor & Francis Group, 2008.
3. Garet, F., Coutaz, J.L., Narzarov, M., Bonnet, E., Parriaux, O., and Racine, G., Proc. Dig. Joint Int., Conf. Infrared Millimeter Waves and Terahertz Electron., 2004, p. 181.
4. Kersting, R., Strasser, G., and Unterrainer, K., Electron. Lett., 2000, vol. 36, p. 1156.
5. Chen, J., Bos, P.J., Vithanna, H., and Johnson, D.L., Appl. Phys. Lett., 1995, vol. 67, p. 2588.