[1] Okayama H, Okabe Y, Arai T,et al.Two-module stage optical switch network.J Lightwave Technol, 2000,18(4): 469~476
[2] Spanke R A. Architecture for large nonblocking optical space switches.IEEE J Quant Electron, 1986,QE-22(6): 964~967
[3] Jenkins R M, Heaton J M, Wight D R,et al. Novel 1×N and N×N integrated optical switches using self-imaging multimode GaAs/AlGaAs waveguide.Appl Phys Lett, 1994,64(6): 684~686
[4] Soref R A, Schmidtchen J, Petermann K. Large single-mode rib waveguides in GeSi/Si and Si-on-SiO2.IEEE J Quant Electron, 1991,QE-27(8): 1971~1973
[5] Lagali N S, Paiam M R, Macdonald R I,et al. Analysis of general Mach-Zehnder interferometers for variable-ratio power splitting and optimized switching.J Lightwave Technol, 1999,17(12): 2542~2550
[6] Padmanabhan K, Netravali A N. Dilated networks for photonic Switching.IEEE Trans on Commu, 1987,COM-35(12): 1357~1365
[7] Hauffe R,Siebel U,Petermann K. Crosstalk-optimized integrated optical switching matrices in polymers by use of redundant switch elements.IEEE Photon Technol Lett, 2001,13(3):200~202