[4] Kao Y H,Liang Y. Self-synchronization of 100-Gbit/s TDM packets using a semiconductor laser amplifier and an intensity discriminator, Conference on Lasers and Electro-Optics, 1998 OSA Technical Digest Series, 1998:503～504

[5] Xia T J,Kao Y H. Novel self-synchronization scheme for high-speed packet TDM networks.IEEE Photonics Technology Letters, 1999,11(2):269～271

[6] Hyuek Jae Lee. A simple packet-level clock extraction scheme using a terahertz optical asymmetric demultiplexer.IEEE Photonics Technology Letters, 1999,11(10):1310～1312

[7] Patrick D M,Manning R J.20 Gb/s all-optical clock recovery using semiconductor nonlinearity.Electron Lett,1994,30(2):151～152

[8] Vlachos K,Theophilopoulos G,Hatziefremidis A,et al.30 Gb/s all-optical clock recovery circuit.IEEE Photon Technol Lett,2000,12(6):705～707