NDLI: Polarization-Independent All-Fiber Acousto-Optic Tunable Filter Using Torsional Acoustic Wave

Content Provider	IEEE Xplore Digital Library
Author	Kwang Jo Lee In-Kag Hwang Hyun Chul Park Byoung Yoon Kim
Copyright Year	1989
Abstract	The intrinsic polarization dependence of an all-fiber tunable wavelength filter based on polarization coupling by torsional acoustic wave is eliminated by employing a fiber loop configuration. In the fiber loop, two orthogonal polarizations split from input light propagate the single acousto-optic interaction region in opposite directions before being recombined to produce a polarization-independent filter spectrum. The polarization-dependent loss was estimated to be less than 0.1 and 0.3 dB within passband in bandpass and notch type filters, respectively.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	523
Ending Page	525
Page Count	3
File Size	263838
File Format	PDF
ISSN	10411135
Volume Number	22
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acoustic waves Optical fiber polarization Optical fiber devices Optical fiber filters Band pass filters Physics Optical losses Optical filters Optical attenuators Optical fibers tunable filters Acousto-optic (AO) filters optical fiber devices optical fiber polarization
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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