Reduced-bandwidth duobinary differential continuous-phase modulation format for optical communications

被引：1

作者：

Boivin, D ^{[1
]}

Hanna, M

Barry, JR

机构：

[1] CNRS, GTL, FEMTOST, F-57070 Metz, France

[2] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 06期

关键词：

differential phase-shift keying (DPSK); duobinary modulation; modulation formats; optical fiber communications;

D O I：

10.1109/LPT.2005.846572

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：

We demonstrate a new modulation format based on differential phase-shift keying (DPSK) with a duobinary-shaped modulating signal for applications in optical communications. Compared to conventional DPSK and using the 20-dB full-width criterion, numerical and experimental data show a bandwidth reduction by a factor of two resulting in a better tolerance to group-velocity dispersion but at the expense of a back-to-back sensitivity degradation of 3.5 dB.

引用

页码：1331 / 1333

页数：3

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