Analyses of unintentional intensity modulation in all-fiber acousto-optic tunable filters

Lee, Kwang Jo, Hwang, In-Kag, Park, Hyun Chul, Nam, Ki Hak and Kim, Byoung Yoon (2010) Analyses of unintentional intensity modulation in all-fiber acousto-optic tunable filters. Optics Express, 18 (5), 3985-3992. (doi:10.1364/OE.18.003985).

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Abstract

We theoretically and experimentally analyze unintentional intensity modulation phenomena in two types of all- fiber acousto-optic tunable filters utilizing flexural and torsional acoustic waves. Output filter signal at a resonant wavelength shows time-varying oscillations with even-and odd-order harmonics of applied acoustic frequency, which are explained by two factors of static mode coupling and acoustic back reflection. The magnitudes of static coupling and acoustic reflection in our devices are estimated from the measured first and second harmonic modulation powers.

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Published date: 1 March 2010

Organisations: Optoelectronics Research Centre

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Identifiers

Local EPrints ID: 378488

URI: http://eprints.soton.ac.uk/id/eprint/378488

DOI: doi:10.1364/OE.18.003985

ISSN: 1094-4087

PURE UUID: 6597ed80-cd15-4840-a3ec-b482f09d3e44

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Date deposited: 29 Jun 2015 14:25

Last modified: 14 Mar 2024 20:23

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Contributors

Author: Kwang Jo Lee

Author: In-Kag Hwang

Author: Hyun Chul Park

Author: Ki Hak Nam

Author: Byoung Yoon Kim

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