Receiver sensitivity improvement by impulsive coding

被引：25

作者：

Boivin, L ^{[1
]}

Nuss, MC ^{[1
]}

Shah, J ^{[1
]}

Miller, DAB ^{[1
]}

Haus, HA ^{[1
]}

机构：

[1] MIT, CAMBRIDGE, MA 02139 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 1997年 / 9卷 / 05期

基金：

加拿大自然科学与工程研究理事会;

关键词：

optical communication; optical receivers; ultrafast lasers;

D O I：

10.1109/68.588209

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 show that optical receivers operated impulsively are more sensitive than for nonreturn-to-zero (NRZ) operation. Impulsive sensitivity improvements of 5.8 and 4.7 dB are measured for two pin-FET receivers using a modelocked laser transmitter, and compared to theoretical expressions for the NRZ and impulsive Q-factors. We also show that the optimum detection bandwidth for impulsive coding is larger than for NRZ, in contrast to previous models.

引用

页码：684 / 686

页数：3

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