Lasers, Fiber Optics, and Communications

Acousto-optic fiber interferometer based on concatenated flexural wave modulation

[+] Author Affiliations
Shouxin Kang, Hao Zhang, Bo Liu, Ning Zhang

Nankai University, Ministry of Education, Institute of Modern Optics, Key Laboratory of Optical Information Science and Technology, Tianjin 300071, China

Yinping Miao

Tianjin University of Technology, School of Electronics Information Engineering, Tianjin Key Laboratory of Film Electronic and Communication Device, Tianjin 300384, China

Opt. Eng. 54(7), 076106 (Jul 21, 2015). doi:10.1117/1.OE.54.7.076106
History: Received April 24, 2015; Accepted June 19, 2015
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Abstract.  An acousto-optic fiber interferometer has been proposed and experimentally demonstrated by employing two MgF2 sandwiches to implement concatenated flexural acoustic wave modulation onto single-mode optical fibers. The transmission spectrum of the acoustic grating pair has been experimentally investigated. Experimental results indicate that interferometric spectral fringes possess a frequency sensitivity as large as 499.0nm/MHz due to the Mach–Zehnder interference. Moreover, the applied radio frequency signal voltage for flexural wave generation has a great impact on the transmission spectral properties. The work presented would be of importance for the understanding of the acousto-optic interaction mechanism in concatenated acoustic fiber gratings and is helpful for the design of related acousto-optic fiber devices.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Shouxin Kang ; Hao Zhang ; Bo Liu ; Ning Zhang and Yinping Miao
"Acousto-optic fiber interferometer based on concatenated flexural wave modulation", Opt. Eng. 54(7), 076106 (Jul 21, 2015). ; http://dx.doi.org/10.1117/1.OE.54.7.076106


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