[1] [1] E. Yamazaki, A. Sano, T. Kobayashi, E. Yoshida, and Y. Miyamoto, in Proceedings of OFC 2011 OThF1 (2011).

[2] [2] C. Lin, R. Asif, M. Holtmannspoetter, and B. Schmauss, Chin. Opt. Lett. 10, 020605 (2012).

[3] [3] Y. Hao, Y. Li, R. Wang, and W. Huang, Chin. Opt. Lett. 10, 010701 (2012).

[4] [4] E. Ip and J. Kahn, J. Lightwave Technol. 26, 3416 (2008).

[5] [5] Y. Gao, F. Zhang, J. Li, L. Liu, Z. Chen, L. Zhu, L. Li, and A. Xu, in Proceedings of ECOC 2009 P9.4.7 (2009).

[6] [6] Y. Gao, F. Zhang, L. Dou, Z. Chen, and A. Xu, Opt. Commun. 282, 2421 (2009).

[7] [7] F. Zhang, Y, Gao, Y. Luo, J. Li, L. Zhu, L. Li, Z. Chen, and A. Xu, Electron. Lett. 46, 353 (2010).

[8] [8] N. Stojanovic, Y. Huang, F. Hauske, Y. Fang, M. Chen, C. Xie, and Q. Xiong, in Proceedings of OFC 2011 OWW6 (2011).

[9] [9] L. Liu, L. Li, Y. Huang, K. Cui, Q. Xiong, F. Hauske, C. Xie, and Y. Cai, J. Lightwave Technol. 30, 310 (2012).

[10] [10] Z. Pan, B. Chatelain, M. Chagnon, and D. Plant, in Proceedings of OFC 2011 JThA40 (2011).

[11] [11] R. Weidenfeld, M. Nazarathy, R. Noe, and I. Shpantzer, in Proceedings of OFC 2010 OTuE3 (2010).

[12] [12] J. Pan and C. Cheng, J. Lightwave Technol. 29, 2785 (2011).

[13] [13] L. Dou, Z. Tao, L. Li, W. Yan, T. Tanimura, T. Hoshida, and J. Rasmussen, in Proceedings of OFC 2011 OThF5 (2011).

[14] [14] K. Peddanarappagari and M. Brandt-Pearce, J. Lightwave Technol. 15, 2232 (1997).

[15] [15] J. G. Proakis, Digital Communications, Chapter 11 (2001).

[16] [16] C. Zhao, Y. Chen, S. Zhang, J. Li, F. Zhang, L. Zhu, and Z. Chen, Opt. Express 20, 787 (2012).

[17] [17] J. Li, S. Zhang, F. Zhang, and Z. Chen, in Proceedings of Photonics in Switching 2010 JTuB41 (2010).

[18] [18] F. Chang, K. Onohara, and T. Mizuochi, IEEE Commun. Mag. 48, S48 (2010).