[1] [1] J P Sokolof. A terahertz optical asymmetric demultiplexer (TOAD)[J]. Photon Technol Lett, 1993, 5(7): 787-790.

[2] [2] Wen Liangsheng, Wu Jian, Lin Jintong. Analysis of the characteristics of amplified spontaneous emission in TOAD[J]. Chinese J Lasers, 2003, 30(9): 829-834.

[3] [3] Wang Zhuoran, Yu Jinlong, Han Jinting, et al.. Influences of injection current and the position offset of SOA on switching window of TOAD[J]. Chinese J Lasers, 2004, 31(2): 205-209.

[4] [4] Yan Yumei, Yin Lina, Zhou Yunfeng, et al.. 10 Gbit/s all- optical non- return- to- zero to return- to- zero conversion based on terahertz optical asymmetric demultiplexer[J]. Chinese J Lasers, 2005, 32(11): 1510-1514.

[5] [5] Gayen D K, Chattopadhyay T, Pal R K, et al.. All- optical prefix tree adder with the help of terahertz optical asymmetric demultiplexer[J]. Chin Opt Lett, 2011, 9(6): 062001.

[6] [6] Maity G K, Chattopadhyay T, Gayen D K, et al.. All- optical binary flip- flop with the help of terahertz optical asymmetric demultiplexer[J]. Natural Computing, 2010, 9(4): 903-916.

[7] [7] Fok M P, Prucnal P R. All-optical XOR gate with optical feedback using highly Ge-doped nonlinear fiber and a terahertz optical asymmetric demultiplexer[J]. Appl Opt, 2011, 50(2): 237-241.

[8] [8] Wang Yongjun, Zhang Xiaolei, Wu Chongqing, et al.. Slot processing based on large dynamic delay range all- optical buffer[J]. Chinese J Lasers, 2013, 40(10): 1005001.

[9] [9] Wang Wenrui, Yu Jinlong, Luo Jun, et al.. 40 Gb/s reconfigurable all-optical logic gate based on nonlinear optical loop mirror[J]. Acta Optica Sinica, 2012, 32(5): 0506003.

[10] [10] Peng Yongjun, Qiu Kun, Ji Siwei. All-optically doubling clock frequency of NRZ signal based on nonliner fiber-loop mirror[J]. Laser Journal, 2011, 32(5): 27-31.

[11] [11] Sun Zhenchao, Wang Zhi, Liu Lanlan, et al.. Key techniques for all optical repetition rate multiplication of pseudorandom bit sequences[J]. Chinese J Lasers, 2014, (41): 0105008.