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Optical Engineering

Tunable gain-flattening filter using microbending long-period fiber gratings
Author(s): Ik-Bu Sohn; Namkwon Lee; Hyungwoo Kwon; Jaewon Song
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Paper Abstract

A new type of gain-flattening filter using microbending long-period fiber gratings is presented. The fabrication and characterization of the device are described and its use in an erbium-doped fiber amplifier to flatten the amplified spontaneous emission (ASE) spectrum is demonstrated. The result shows that the ASE variation is less than 1 dB over 33 nm at two different pump powers of 45 and 68 mW.

Paper Details

Date Published: 1 July 2002
PDF: 2 pages
Opt. Eng. 41(7) doi: 10.1117/1.1481899
Published in: Optical Engineering Volume 41, Issue 7
Show Author Affiliations
Ik-Bu Sohn, Kyungpook National University (South Korea)
Namkwon Lee, Kyungpook National Univ. (South Korea)
Hyungwoo Kwon, Kyungpook National Univ. (South Korea)
Jaewon Song, Kyungpook National Univ. (South Korea)

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