Gain-switched multicarrier transmitter in a long-reach UDWDM PON with a digital coherent receiver

被引：9

作者：

Anandarajah, Prince M. ^{[1
]}

Zhou, Rui ^{[1
]}

Maher, Robert ^{[1
]}

Lavery, Domanic ^{[2
]}

Paskov, Milen ^{[2
]}

Thomsen, Benn ^{[2
]}

Savory, Seb ^{[2
]}

Barry, Liam P. ^{[1
]}

机构：

[1] Dublin City Univ, Sch Elect Engn, Rince Inst, Dublin 9, Ireland

[2] UCL, Opt Networks Grp, London WC1E 7JE, England

来源：

OPTICS LETTERS | 2013年 / 38卷 / 22期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1364/OL.38.004797

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The authors report on the downlink performance of a 10 Gb/s long-reach and ultra-dense wavelength-division multiplexed passive optical network, based on a multicarrier transmitter realized by using an externally injected gain-switched distributed-feedback laser diode. Each of the comb channels, spaced by 10 GHz, is modulated with a 3 Gbaud dual polarization quadrature phase shift keying signal that included a 20% overhead for forward error correction. Frequency selectivity and enhanced receiver sensitivity is achieved by employing a digital coherent receiver to receive the signal. Experimental results achieved in a back-to-back and 100 km transmission scenarios show an excellent worst case receiver sensitivity of -44 dBm. (C) 2013 Optical Society of America

引用

页码：4797 / 4800

页数：4

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