[1] R. Gcf, Optoelectronics and Advanced Materials-Rapid Communications 8, 663 (2014).

[2] A. Vukovic, M. Savoie, H. Hua and K. Maamoun, Proc SPIE 60, 67962W (2007).

[3] K. Grobe and J. P. Elbers, PON in Adolescence: from TDMA to WDM-PON: IEEE Press, 2008.

[4] J. Kani and K. Iwatsuki, IEEE/OSA Journal of Optical Communications & Networking 1, C17 (2009).

[5] A. H. M. Husein and F. I. E. Nahal, Optik - International Journal for Light and Electron Optics 125, 5141 (2014).

[6] A. Banerjee, Y. Park, F. Clarke, H. Song, S. Yang and G. Kramer, Journal of Optical Networking 4, 737 (2005).

[7] M. Fujiwara, H. Suzuki, K. Iwatsuki and M. Sugo, Electronics Letters 42, 111 (2006).

[8] H. L. Ju, C. H. Kim, Y. G. Han and B. L. Sang, IEEE Photonics Technology Letters 18, 2108 (2006).

[9] Z. Gao, X. Sun and K. Zhang, SPIE OPTO, 97720S (2016).

[10] F. I. El-Nahal and A. H. M. Husein, Optik - International Journal for Light and Electron Optics 122, 1776 (2011).

[11] S. J. Park, G. Y. Kim, T. Park and E. H. Choi, WDM-PON System based on the Laser Light Injected Reflective Semiconductor Optical Amplifier, European Conference on Optical Communication 3, 457 (2006).

[12] K. Sato and H. Toba, IEEE Journal of Selected Topics in Quantum Electronics 7, 328 (2001).

[13] E. Conforti, C. M. Gallep, S. H. Ho and A. C. Bordonalli, IEEE Transactions on Microwave Theory & Techniques 50, 77 (2002).

[14] X. Sun, Q. Chang, Z. Gao, C. Ye, S. Xiao and X. Huang, SPIE OPTO, 97720T (2016).

[15] L. Tawade, S. Mhatli and R. Attia, Optical & Quantum Electronics 47, 779 (2015).

[16] C. H. Yeh, C. W. Chow, J. Y. Sung and Y. F. Wu, Optical and Quantum Electronics 48, 256 (2016).

[17] S. Kanazawa, W. Kobayashi, Y. Ueda and T. Fujisawa, Journal of Lightwave Technology 34, 1 (2016).

[18] O. K. Kwon, Y. T. Han, Y. A. Leem and J. U. Shin, IEEE Photonics Technology Letters 26, 2177 (2014).