High-sensitivity 40-Gb/s RZ-DPSK with forward error correction

被引：23
|
作者：
Spellmeyer, NW [1 ]
Gottschalk, JC [1 ]
Caplan, DO [1 ]
Stevens, ML [1 ]
机构：
[1] MIT, Lincoln Lab, Lexington, MA 02420 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 06期
关键词：
differential phase-shift keying (DPSK); forward error correction (FEC); optical communications;
D O I：
10.1109/LPT.2004.827417
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：
A high-sensitivity 40-Gb/s differential-phase-shift-keyed (DPSK) system with, coding is demonstrated with back-to-back sensitivity as good as 8.7 photons per bit at a 10(-9) bit-error rate. Coding is done on the 40-Gb/s data using high-speed electrical multiplexers and demultiplexers combined with four 10-Gb/s forward error correction chips that operate with 7% overhead. The DPSK receiver uses a simple approach to DPSK balanced detection. Index Terms-Differential phase-shift keying (DPSK), forward error correction (FEC), optical communications.
引用
收藏
页码：1579 / 1581
页数：3
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