Development of Raman acousto-optic frequency shifter based on SAW

A Raman acousto-optic frequency shifter （AOFS） based on surface acoustic wave （SAW） is presented. It consists of a double-ended SAW resonator and optical waveguide system. The structure parameters of the SAW resonator are optimized using COM software and the optical waveguide system is designed usin...

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Bibliographic Details
Published inJournal of semiconductors Vol. 35; no. 8; pp. 104 - 109
Main Author 王春梅 温志渝 张祖伟 张颖异
Format Journal Article
LanguageEnglish
Published 01.08.2014
Subjects
Acousto-optics
Beams (radiation)
Diffraction
Frequency shifters
Optical waveguides
SAW谐振器
Semiconductors
Surface acoustic wave devices
Surface acoustic waves
声光移频器
声表面波谐振器
拉曼
波导系统
索引方法
衍射光束
表面声波
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Summary:A Raman acousto-optic frequency shifter （AOFS） based on surface acoustic wave （SAW） is presented. It consists of a double-ended SAW resonator and optical waveguide system. The structure parameters of the SAW resonator are optimized using COM software and the optical waveguide system is designed using an effective index method. The AOFS prototype fabricated using MEMS technology is detected. The optical beat signals su- perimposed by ± 1st-order and ±2nd-order diffracted beams are detected. The frequency shift of 78.2201 MHz related to the 1 st-order diffracted beams and 156.2306 MHz related to the 2nd-order diffracted beams are obtained respectively.
Bibliography:A Raman acousto-optic frequency shifter （AOFS） based on surface acoustic wave （SAW） is presented. It consists of a double-ended SAW resonator and optical waveguide system. The structure parameters of the SAW resonator are optimized using COM software and the optical waveguide system is designed using an effective index method. The AOFS prototype fabricated using MEMS technology is detected. The optical beat signals su- perimposed by ± 1st-order and ±2nd-order diffracted beams are detected. The frequency shift of 78.2201 MHz related to the 1 st-order diffracted beams and 156.2306 MHz related to the 2nd-order diffracted beams are obtained respectively.
SAW; Raman; AOFS; frequency shift
11-5781/TN
Wang Chunmei, Wen Zhiyu, Zhang Zuwei, and Zhang Yingyi（1 Key Laboratory of Fundamental Science on Micro/Nano-Device and System Technology, Chongqing University, Chongqing 400030, China 2National Center for International Research of Micro/Nano-System and New Material Technology, Chongqing University, Chongqing 400030, China 3 Microsystem Research Center of Chongqing University, Chongqing 400030, China）
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-4926
DOI:10.1088/1674-4926/35/8/084009