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Interference-based micromechanical spectral equalizers

delete2004-05-01
delete13
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OA
AI
J
Joseph E. Ford
K
K.W. Goossen
J
J. Walker
D
David T. Neilson
D
D. M. Tennant
S
S.Y. Park
J
J.W. Sulhoff
DOI：10.1109/JSTQE.2004.830612delete
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Abstract

Abstract

En 中文
Dynamic gain equalization filters (DGEFs) are important for high-performance wavelength division multiplexed (WDM) communications. One of the first demonstrated DGEF used a micromechanical etalon filter array illuminated with free-space spectral demultiplexing optics. Here, we present subsequent research on etalon-based dynamic spectral filters, including vertical device structures which linearize and reduce the drive voltage from 70 to 40 V, and spatially-segmented etalons which allow channelized spectral equalization and. further reduce drive voltage. We describe a prototype using a simplified cylindrical optomechanical package with a 104-nm broadband spectral response, 7.5-dB insertion loss and less than 16-V operation voltage. Finally, we show the use of a 42-nm bandwidth DGEF prototype with feedback stabilization to more than double the number of channels and operating bandwidth of a conventional Erbium-doped fiber amplifier while maintaining < 1-dB power uniformity.
Keywords:
amplifiers
dynamic gain equalizing filters (DGEF)
microelectromechanical systems (MEMS)
MEMS components

Journal

I
IEEE Journal of Selected Topics in Quantum Electronics
IF:
5.1
Papers:
5.6K
Citations:
1.2W

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No organization information available