Broadband Variable Optical Attenuator Based on Acousto-optic Coupling in Single-Mode Fiber

Qun Li; Tuo Jin; Amy A. Au; F.R. Lyons; G. Wang; Xiaoming Li; H.P. Lee

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2002),
paper CMB5

Broadband Variable Optical Attenuator Based on Acousto-optic Coupling in Single-Mode Fiber

Qun Li, Tuo Jin, Amy A. Au, F.R. Lyons, G. Wang, Xiaoming Li, and H.P. Lee

Conference on Lasers and Electro-Optics 2002

Long Beach, California United States
19–22 May 2002
ISBN: 1-55752-706-7

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Optical Components for Monitoring, Switching and Signal Processing (CMB)

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Q. Li, T. Jin, A. A. Au, F. R. Lyons, G. Wang, X. Li, and H. P. Lee, "Broadband Variable Optical Attenuator Based on Acousto-optic Coupling in Single-Mode Fiber," in Conference on Lasers and Electro-Optics, M. Fejer, F. Leonberger, J. Fujimoto, and S. Newton, eds., OSA Technical Digest (Optica Publishing Group, 2002), paper CMB5.

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Abstract

Fast tuning variable optical attenuator (VOA) is a key component for rcconfigurable optical networks. At present, MEMS and free carrier absorption-based SOI waveguide p-n junction are two of the most promising approaches.¹ In this paper, we present a novel acousto-optic (AO) based VOA implemented on a single mode (SM) fiber. Compared to previous approaches, the all-fiber AO-based VOA combined the merits of all-fiber device, (low insertion loss, ease in packaging etc.) and fast response of AO-device. In addition, the devices are readily cascadable.

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