LOW-SIDELOBE WEIGHTED-COUPLED INTEGRATED ACOUSTOOPTIC TUNABLE FILTER USING FOCUSED SURFACE ACOUSTIC-WAVES

被引：22

作者：

KARROY, A ^{[1
]}

TSAI, CS ^{[1
]}

机构：

[1] UNIV CALIF IRVINE,INST SURFACE & INTERFACE SCI,IRVINE,CA 92717

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1992年 / 4卷 / 10期

关键词：

D O I：

10.1109/68.163756

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A single-stage low-sidelobe weighted-coupled integrated acoustooptic tunable filter (IAOTF) operating at the optical wavelength of 1.31 mum has been realized on a Y-cut X-propagating LiNbO3 substrate for the first time. The weighted-coupling, which enabled the achievement of low-sidelobe levels, was facilitated by focused surface acoustic waves generated by a curved interdigital transducer. First sidelobe levels as low as -17.6 dB have been obtained. Optical bandwidth of 4 nm and tuning range of 170 nm for an interaction length of 6 mm were also accomplished.

引用

页码：1132 / 1135

页数：4

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