[1] Y. Nakazaki, S. Yamashita. Opt. Express, 17, 8310(2009).
[2] H. Y. Ryu, W. K. Lee, H. S. Moon, H. S. Suh. Opt. Commun., 275, 379(2007).
[3] F. W. Sheu, C. Y. Chiou, S. C. Yang. Opt. Commun., 281, 4719(2008).
[4] P. Myslinski, D. Nguyen, J. Chrostowski. J. Lightwave Technol., 15, 112(1997).
[5] X. Dong, P. Shum, N. Q. Ngo, H. Tam, X. Dong. J. Lightwave Technol., 23, 1334(2005).
[6] X. Dong, P. Shum, N. Ngo, C. Chan, B.-O. Guan, H.-Y. Tam. Opt. Express, 11, 3622(2003).
[7] X. Dong, N. Q. Ngo, P. Shum, B.-O. Guan, H.-Y. Tam, X. Dong. Opt. Lett., 29, 358(2004).
[8] E. Maurice, G. Monnom, B. Dussardier, D. B. Ostrowsky. Opt. Lett., 20, 2487(1995).
[9] A. D. Guzman-Chavez, Y. O. Barmenkov, A. V. Kir’yanov. Appl. Phys. Lett., 92, 191111(2008).
[10] M. Bolshtyansky, I. Mandelbaum, F. Pan. J. Lightwave Technol., 23, 2796(2005).
[11] S. Yamashita, M. Nishihara. IEEE J. Sel. Top. Quantum Electron., 7, 41(2001).
[13] M. Z. Amin, K. K. Qureshi. IEEE 28th Canadian Conference on Electrical and Computer Engineering (CCECE), 1383(2015).
[14] S. Berkdemir, Cüneyt Ozsoy. J. Lightwave Technol., 27, 4642(2009).
[17] J. Nilsson, B. Jaskorzynska, P. Blixt. IEEE Photon. Technol. Lett., 5, 1427(1993).
[18] Optical Systems, WDM design. OptiSystem Tutorials, 1(2014).