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Filter-shape dependence on attenuation mechanism in channelized dynamic spectral equalizers

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2 Author(s)
Marom, D.M. ; Lucent Technol. Bell Labs, Holmdel, NJ, USA ; Sang-Hyun Oh

Summary form only given. Today's optical networks require optical add-drop capability as well as broadcast-and-select topologies. Such capabilities are enabled with high-resolution, channelized dynamic spectral equalizers (DSE), which can attenuate each optical channel independently to an extinction exceeding 30 dB in a DWDM system. Several implementations of channelized DSE are based on a dispersive, free-space imaging configuration, projecting the light emerging from the input fiber via imaging lenses and a diffraction grating onto a pixelated device plane. The active pixelated device can be chosen from multiple technologies, however liquid crystal (LC) based modulators and micro-electro-mechanical system (MEMS) tilting micro-mirrors are the favored technologies.

Published in:

Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE  (Volume:2 )

Date of Conference:

10-14 Nov. 2002