Single- and Dual-Channel DPSK Signal Amplitude Regeneration Based on a Single Semiconductor Optical Amplifier

Single- and Dual-Channel DPSK Signal Amplitude Regeneration Based on a Single Semiconductor Optical Amplifier

We experimentally demonstrate that, based on operational condition optimization, a common quantum well (QW) semiconductor optical amplifier (SOA) has the ability of amplitude regeneration for return-to-zero (RZ) differential phase shift keying (DPSK) signals. For a single-channel RZ-DPSK regeneratio...

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Veröffentlicht in:Chinese physics letters 2012-05, Vol.29 (5), p.54202-1-054202-3, Article 054202
Hauptverfasser: Huang, Xi, Qin, Cui, Yu, Yu, Zhang, Zheng, Zhang, Xin-Liang
Format: Artikel
Sprache:eng
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Amplitudes
Channels
Noise levels
Optimization
Phase shift keying
Quantum wells
Regeneration
Semiconductor optical amplifiers
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Qin, Cui
Yu, Yu
Zhang, Zheng
Zhang, Xin-Liang
description We experimentally demonstrate that, based on operational condition optimization, a common quantum well (QW) semiconductor optical amplifier (SOA) has the ability of amplitude regeneration for return-to-zero (RZ) differential phase shift keying (DPSK) signals. For a single-channel RZ-DPSK regeneration scheme, a significant eye-opening enhancement and a negative power penalty of about 1.0 dB are obtained. For dual-channel RZ-DPSK regeneration, it can also be found that the eye-opening improvement and power penalty decrease in each channel. In addition, the DPSK regeneration scheme based on a single QW SOA is quite simple and stable.
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects Amplitudes
Channels
Noise levels
Optimization
Phase shift keying
Quantum wells
Regeneration
Semiconductor optical amplifiers
title Single- and Dual-Channel DPSK Signal Amplitude Regeneration Based on a Single Semiconductor Optical Amplifier
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