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Optical Engineering

Isolation of a polarization-independent acousto-optic switch
Author(s): Lifeng Xiao; Liu Ying; Zeng Zhaoli; Geng Fang
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Paper Abstract

Isolation of a new structural acousto-optic switch based on an integrated optical polarization-independent quasi-collinear acousto-optic tunable filter (AOTF) is studied in detail. First, we demonstrate the structure and operation principle of this optical switch. Second, factors that influence isolation of the optical switch are analyzed, and expressions of the isolation are deduced. Finally, the optical switch is fabricated, and its isolation is measured in experiment. We show that the isolation mainly depends on the TE/TM mode intensity ratio when the radiofrequency signal is absent, but the isolation mainly depends on the mode conversion efficiency when the radiofrequency signal is present.

Paper Details

Date Published: 1 March 2007
PDF: 4 pages
Opt. Eng. 46(3) 034601 doi: 10.1117/1.2713371
Published in: Optical Engineering Volume 46, Issue 3
Show Author Affiliations
Lifeng Xiao, Tianjin Univ. (China)
Liu Ying, Tianjin Univ. (China)
Zeng Zhaoli, Tianjin Univ. (China)
Geng Fang

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