Low-Complexity Compensation of SOA Nonlinearity for Single-Channel PSK and OOK

被引：20

作者：

Vacondio, Francesco ^{[1
,2
]}

Ghazisaeidi, Amirhossein ^{[1
,2
]}

Bononi, Alberto ^{[3
]}

Rusch, Leslie Ann ^{[1
,2
]}

机构：

[1] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1V 0A6, Canada

[2] Univ Laval, Dept Elect & Comp Engn, Quebec City, PQ G1V 0A6, Canada

[3] Univ Parma, Sch Engn, Dipartimento Ingn Informaz, I-43100 Parma, Italy

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2010年 / 28卷 / 03期

关键词：

Semiconductor optical amplifiers; Bandwidth; Probability density function; Gain; Phase noise; Optical noise; SEMICONDUCTOR-OPTICAL AMPLIFIERS; SELF-PHASE MODULATION; WAVELENGTH CONVERSION; POSTNONLINEARITY COMPENSATION; LASER AMPLIFIERS; NOISE; SYSTEMS; TRANSMISSION; AMPLIFICATION; CONFIGURATION;

D O I：

10.1109/JLT.2009.2036868

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Carrier density fluctuations in semiconductor optical amplifiers (SOAs) impose penalties on phase-shift keying (PSK) signals due to nonlinear phase noise (NLPN), and on-off keying (OOK) signals due to self-gain modulation. In this paper, we propose a simple scheme to equalize the impairments induced by SOA nonlinearities, derived from the small signal analysis of carrier density fluctuations. We demonstrate via simulation almost complete cancelation of the NLPN added by a saturated SOA on a differential PSK signal. We demonstrate via both simulations and experiment the effectiveness of the method for mitigation of nonlinear distortions imposed by SOAs on an OOK signal.

引用

页码：277 / 286

页数：10

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