Isolation of Integrated Optical Acousto-Optic Switch
XIAO Li-Feng1,2, LIU Ying1,2, WANG Wei-Peng1,2, GENG Fan1,3
1Department of Applied Physics, Tianjin University, Tianjin 300072
2Key Laboratory of Opto-electronics Information Technical Science (Ministry of Education), Tianjin University, Tianjin 300072
3China Spaceflight Industry Corporation, Head Office 8358th Institute, Tianjin 300192
Isolation of Integrated Optical Acousto-Optic Switch
XIAO Li-Feng1,2; LIU Ying1,2; WANG Wei-Peng1,2;GENG Fan1,3
1Department of Applied Physics, Tianjin University, Tianjin 300072
2Key Laboratory of Opto-electronics Information Technical Science (Ministry of Education), Tianjin University, Tianjin 300072
3China Spaceflight Industry Corporation, Head Office 8358th Institute, Tianjin 300192
Abstract： Isolation of a new structured acousto-optic switch based on an integrated optical polarization-independent quasi-collinear acousto-optic tunable filter is studied in detail. The factors that influence the isolation of the optical switch are analysed, the expressions of the isolation are educed, and the isolation of the device is measured in experiment. It is found that the isolation mainly depends on the TE/TM mode intensity ratio, the mode-splitter extinction rate, and the conversion efficiency.
2006, Vol. 23 
