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New saturable absorber device for high bit rate all-optical regeneration

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Abstract

Recent results on a new multiple-quantum-well saturable absorber (SA) device allowing fast responding power stabilization are reviewed. Combined with the classical SA achieving extinction ratio improvement, it allows all-optical amplitude-shift-keying 2R signal regeneration. Furthermore its phase-preserving characteristics make it potentially useful to prevent phase noise accumulation in phase encoded signals.

© 2010 Optical Society of America

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