An optically preamplified digital PPM receiver with improved suboptimum filtering

被引：0
|
作者：
Phillips, AJ
Cryan, RA
Senior, JM
机构：
[1] Ctr. for Commun. Networks Research, Dept. of Elec. and Electron. Eng., Manchester Metropolitan University, Manchester M1 5GD, Chester Street
[2] Dept. Elec., Electron. Eng. Phys., Univ. of Northumbria at Newcastle, Ellison Building
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1997年 / 14卷 / 01期
关键词：
optical-fiber communications; pulse position modulation optical preamplification;
D O I：
10.1002/(SICI)1098-2760(199701)14:1<23::AID-MOP8>3.0.CO;2-O
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：
Original analysis and results are given for an optically preamplified digital pulse-position-modulation (PPM) receiver with an improved electrical-domain filtering regime consisting of a matched filter cascaded with a pulse-shaping network. Impressive sensitivity results are reported, with the 21.54 photons/bit predicted at 622 Mbit/s, surpassing both an equivalent optically preamplified on-off keyed nonreturn-to-zero (OOK NRZ) system (by 8.1 dB) and the fundamental limit of such a preamplified OOK NRZ receiver. (C) 1997 John Wiley & Sons, Inc.
引用
收藏
页码：23 / 28
页数：6
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