On the Q factor inaccuracy in the performance analysis of optical direct-detection DPSK systems

被引：35

作者：

Bosco, G ^{[1
]}

Poggiolini, P ^{[1
]}

机构：

[1] Politecn Torino, Dipartimento Elettron, I-10129 Turin, Italy

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 02期

关键词：

bit-error-rat (BER) estimation; communication system performance; differential phase-shift keying (DPSK); Mach-Zehnder interferometer; modulation formats; optical communication; optical modulation; optical receivers; optical transmission; Q factor;

D O I：

10.1109/LPT.2003.820475

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：

In this letter, we analyze the validity of the use of the Q parameter evaluation in the study of the bit-error-rate (BER) performance of direct-detection differential phase-shift keying optical systems. We show that the inaccuracy of the estimate of the BER based on the Q factor can be very large.

引用

页码：665 / 667

页数：3

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