[1] [1] Michael S. Borella, Jason P. Jue, Dhritiman Baneijee et al.. Optical component for WDM lightwave networks. Proc. IEEE, 1997, 85(8): 1274～1286

[2] [2] Wang Tie, Cao Mingcui, Hu Qiaoyan et al.. Optical switch matrix for transparent optical cross-connection. Proc. SPIE, 2000, 4225: 276～279

[3] [3] P. Boffi, D. Piccinin, A. Tonini et al.. Polarization-indendent bidirectional optical switch for communication signals. Proc. SPIE, 2000, 4089:297～303

[4] [4] R. Khosravani, Μ. I. Hayee, B. Hoanca et al.. Reduce of crosstalk in WDM add/drop multiplexing nodes by bit pattern misalignment. IEEE Photon. Technol. Lett., 1999, 11(1):134～136

[5] [5] Fang Laifu, Wang Jianquan, Lin Mianfen et al.. Two novel configurations of OADMs based on MZIs with FBGs. Proc. SPIE, 2000, 4225:76～79