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Proceedings Paper

All-optical regeneration using SOA-based polarization-discriminated switch injected by transparent assist light
Author(s): Masashi Usami; Munefumi Tsurusawa; Ryo Inohara; Kohsuke Nishimura
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Paper Abstract

All optical regenerations or wavelength conversions using SOA-based polarization discriminated switch injected by a transparent assist light are reviewed. First, the reduction of a gain recovery time in SOA by injection of a transparent assist light wass discussed. A simple measurement technique of cross gain modulation (XGM) and cross phase modulation (XPM) in SOA was shown to confirm that the injection of transparent cw assist light reduced a gain recovery time without significant reduction in the amount of XGM and XPM. All optical regeneration operation 40Gbit/s as well as bit-rate tunable operation from 10Gbit/s to 80Gbit/s were presented. Simultaneous demultiplexing from 80Gbit/s to 2 channels of 40Gbit/s signals with little loss was also demonstrated. Finally, tolerance to amplitude noise and timing jitter was discussed. Those results indicate that the SOA-based polarization discriminated switch is a promising candidate for all-optical regenerator from the practical point of view.

Paper Details

Date Published: 14 August 2003
PDF: 12 pages
Proc. SPIE 5246, Active and Passive Optical Components for WDM Communications III, (14 August 2003); doi: 10.1117/12.511959
Show Author Affiliations
Masashi Usami, KDDI R&D Labs., Inc. (Japan)
Munefumi Tsurusawa, KDDI R&D Labs., Inc. (Japan)
Ryo Inohara, KDDI R&D Labs., Inc. (Japan)
Kohsuke Nishimura, KDDI R&D Labs., Inc. (Japan)

Published in SPIE Proceedings Vol. 5246:
Active and Passive Optical Components for WDM Communications III
Achyut K. Dutta; Abdul Ahad S. Awwal; Niloy K. Dutta; Kazuo Fujiura, Editor(s)

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