[1] R. Dischler and F. Buchali, in Proceedings of OFC2009 PDPC2 (2009).
[2] J. Yu, Z. Dong, X. Xiao, Y. Xia, S. Shi, C. Ge, W. Zhou, N. Chi, and Y. Shao, in Proceedings of OFC 2011 PDPA6 (2011).
[3] Y. Shao, N. Chi, C. Hou, W. Fang, J. Zhang, B. Huang, X. Li, S. Zou, X. Liu, X. Zheng, N. Zhang, Y. Fang, J. Zhu, L. Tao, and D. Huang, J. Lightwave Technol. 28, 1770 (2010).
[5] Y. Yang and J. Wang, IEEE Trans. Parallel Distr. Syst. 16, 51 (2005).
[6] W. Idler, E. Lach, W. Kuebart, B. Junginger, K. Schuh, A. Klekamp, D. Werner, A. G. Steffan, A. Schippel, M. Schneiders, S. Vorbeck, and R. Braun, J. Lightwave Technol. 29, 2195 (2011).
[7] J. Yu, X. Zhou, M. Huang, D. Qian, P. N. Ji, T. Wang, and P. Magill, Opt. Express 17, 17928 (2009).
[8] Y. Ma, Q. Yang, Y. Tang, S. Chen, and W. Shieh, in Proceedings of OFC2009 PDPC1 (2009).
[9] J. Armstrong, J. Lightwave Technol. 27, 189 (2009).
[10] J. Yu, Electron. Lett. 46, 775 (2010).
[11] H. Suzuki, M. Fujiwara, and K. Iwatsuki, J. Lightwave Technol. 24, 1998 (2006).
[12] H. Takara, T. Ohara, K. Mori, K. Sato, E. Yamada, Y. Inoue, T. Shibata, M. Abe, T. Morioka, and K-I. Sato, Electron. Lett. 36, 2089 (2000).
[13] K. R. Tamura, H. Kubota, and M. Nakazawa, IEEE J. Quantum Electron. 36, 773 (2000).
[14] J. J. Veselka and S. K. Korotky, IEEE Photon. Technol. Lett. 10, 958 (1998).
[15] M. Fujiwara, M. Teshima, J. Kani, H. Suzuki, N. Takachio, and K. Iwatsuki, J. Lightwave Technol. 21, 2705 (2003).
[16] R.Wu, V. R. Supradeepa, C. M. Long, D. E. Leaird, and A. M. Weiner, in Proceedings of 2010 IEEE Topical Meeting on Microwave Photonics (MWP) 212 (2010).
[17] R. Wu, V. R. Supradeepa, C. M. Long, D. E. Leaird, and A. M. Weiner, Opt. Lett. 35, 3234 (2010).
[18] T. Kawanishi, T. Sakamoto, S. Shinada, and M. Izutsu, IEICE Electron. Express 1, 217 (2004).
[19] J. Zhang, N. Chi, J. Yu, Y. Shao, J. Zhu, B. Huang, and L. Tao, Opt. Express 19, 17891 (2011).
[20] S. Zou, Y. Shao, X. Zheng, W. Fang, X. Li, and N. Chi, Acta Opt. Sin. (in Chinese) 31, 0706004 (2011).
