1[1]Lin L Y, Goldstein E L, Tkach R W. Free-space micromachined optical switches with submillisecond switching time for large- scale optical crossconnects[J]. IEEE Photon Technol Lett, 1998,10: 525.
2[2]J Simmons J M, Saleh A A M , Goldstein E L , Lin L Y Optical crossconnects of reduced complexity for WDM networks with bidirectional symmetry[J]. IEEE Photon Technol Lett, 1998,10:819.
3[3]Lee S S , Lin L Y , Ming C. Realisation of FDDI optical bypass switches using surface micromachining technology [J]. Proc SPIE 1995, 41:2641.
4[4]Heismann F , Korotky S K , Veselka J J. Lithium niobate integrated optics[M]. Optical Fiber Telecommunication Ⅲ B(I. P. Kaminow and T. L. Koch,eds.), Chap. 9(Academic,San Diego 1997),377