[1] Zhu Z, Hernandez V J, Jeon M Y, Cao J, Pan Z, Yoo S J B. RF photonics signal processing in subcarrier multiplexed optical-label switching communication systems. Journal of Lightwave Technol-ogy, 2003, 21(12): 3155–3166
[2] Martinez A, Manzanedo M, Puerto G, Pastor D, Ortega B, Capamany J, Banky T, Kovacs G, Berceli T, Popov M K, Fonjallaz P Y. Recent advances on optical label swapping techniques: an approach to the .nal results of IST-LABELS project. International Conference on Transparent optical networks, 2006, 3: 51–56
[3] Zhang L, Yang J Y, Song M, Li Y, Zhang B, Beausoleil R G, Willner A E. Microring-based modulation and demodulation of DPSK signal. Optics Express, 2007, 15(18): 11564–11569
[4] He Z, Hu F, Ye F, Huang B, Li W, Chi N, Huang D, Tao Z, Cao Z, Cheng W, Wang Z, Zhou Y, Lai T, Zeng J. All-optical ASK label swapping on CSRZ-FSK payload in optical packet networks. In: Proceedings of International Conference on Communication Soft-ware and Network, 2011, 168–170
[5] Li M, Chi N, Hong W, Zhang X, Li W, Huang D. Investigation of high-speed optical FSK generation scheme based on carrier suppression and phase modulation. Optics Communications, 2009, 282(4): 508–517
[6] He Z, Tao Z, Hu F, Chi N, Huang D. 40 Gb/s CSRZFSK signal generation and transmission labeled with ASK in optical packet networks. Optik (Stuttgart), 2013, 124(6): 529–532
[7] Kawanishi T, Higuma K, Fujita T, Ichikawa J, Shinada S, Sakamoto T, Izutsu M. Optical FSK/IM signal generation using an integrated optical FSK modulator. IEICE Electronics Express, 2004, 1(3): 69– 72
[8] Kawanishi T, Higuma K, Fujita T, Ichikawa J, Sakamoto T, Shinada S, Izutsu M. High-speed optical FSK modulator for optical packet labeling. Journal of Lightwave Technology, 2005, 23(1): 87–94
[9] Kawanishi T, Higuma K, Fujita T, Ichikawa J, Sakamoto T, Shinada S, Izutsu M. LiNbO3 high-speed optical FSK modulator. Electronics Letters, 2004, 40(11): 691–692
[10] Zhang J, Chi N, Holm-Nielsen P V, Peucheret C, Jeppesen P. An optical FSK transmitter based on an integrated DBF laser-EA modulator and its application in optical labeling. IEEE Photonics Technology Letters, 2003, 15(7): 984–986
[11] Shao Y, Chi N, Hou C, Fang W, Zhang J, Huang B, Li X, Zou S, Liu X, Zheng X, Zhang N, Fang Y, Zhu J, Tao L, Huang D. A novel return-to-zero FSK format for 40-Gb/s transmission system applications. Journal of Lightwave Technology, 2010, 28(12): 1770–1782
[12] Yu Y, Mulvihill G, O’Duill S, O’Dowd R. Performance implications of wide-band lasers for FSK modulation labeling scheme. IEEE Photonics Technology Letters, 2004, 16(1): 39–41
