[1] A. Urzdowska and Y. Yashchyshyn, A Full-Duplex Photonic RAU for RoF Systems, Proceedings of European Wireless, 1 (2011).

[2] Y. T. Hsueh, M. F. Huang, S. H. Fan and G. K. Chang, IEEE Photon. Technol. Lett. 23, 1085 (2011).

[3] C. Taraprasad., Optoelectronics Letters 8, 293 (2012).

[4] L. Chen, Y. F. Shao, X. Y. Lei, H. Wen and S. C. Wen, IEEE Photon. Technol. Lett. 19, 387 (2007).

[5] J. Armstrong, J. Lightw. Technol. 27, 189 (2009).

[6] Z. P. Wang, J. N. Xiao, F. Li and L. Chen, Optoelectronics Letters 7, 363 (2011).

[7] F. Li, J. J. Yu, J. N. Xiao, Z. Z. Cao and L. Chen, Opt. Commun. 284, 4699 (2011).

[8] X. Chen, A. Li, G. Gao and W. Shieh, Opt. Express 19, 26198 (2011).

[9] Y. F. Shao, N. Chi, C. N. Hou, W. L. Fang, J. W. Zhang, B. Huang, X. Y. Li, S. M. Zou, X. Liu, X. Zheng, N. Zhang, Y. Fang, J. B. Zhu, L. Tao and D. X. Huang, J. Lightw. Technol. 28, 1770 (2010).

[10] L. Wang and C. Tellambura, IEEE Signal Processing Letters 12, 453 (2005).

[11] S. H. Han and J. H. Lee, IEEE Signal Processing Letters 11, 887 (2004).

[12] S. Y. Le Goff, S. S. Al-Samahi, Boon Kien Khoo, K. K. Boon, C. C. Tsimenidis and B. S. Sharif, IEEE Transactions on Wireless Communications 8, 3320 (2009).

[13] Y. F. Shao, N. Chi, J. Y. Fan and W. L. Fang, IEEE Photon. Technol. Lett. 24, 1301 (2012).

[14] R. P. Braun, G. Grosskopf, D. Rohde and F. Schmidt, IEEE Photon. Technol. Lett. 10, 728 (1998).

[15] J. X. Ma, Journal of Optical Communications and Networking 3, 127 (2011).