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Opt Express. 2011 May 9;19(10):9330-5. doi: 10.1364/OE.19.009330.

Cascadability properties of MZI-SOA-based all-optical 3R regenerators for RZ-DPSK signals.

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1
Electrical and Computer Engineering Department, University of California, Santa Barbara, 552 University Road, Santa Barbara, California 93106-9560, USA. tkise@ece.ucsb.edu

Abstract

We experimentally demonstrate 50 cascaded all-optical 3R regenerators over a 1,000 km transmission distance for 10-Gb/s return-to-zero differential phase-shift keying (RZ-DPSK) signals. The regenerator consists of integrated Mach-Zehnder interferometer (MZI) semiconductor optical amplifier (SOA) based wavelength converters. Regenerative properties and tolerance to pattern dependent effects have been studied in terms of Q-factor measurement, and error free operation with input OSNR of 20 dB/0.1 nm has also been demonstrated.

PMID:
21643188
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