Crosstalk tolerance of direct detection differential phase-shift keying optical systems in the presence of receiver imperfections

被引：3
|
作者：
Cancela, L. G. C. [1 ,2 ]
Pires, J. J. O. [1 ,3 ]
机构：
[1] Inst Telecomun, P-1049001 Lisbon, Portugal
[2] Inst Univ Lisboa ISCTE IUL, Dept Sci & Informat Technol, P-1649026 Lisbon, Portugal
[3] Inst Super Tecn, Dept Elect & Comp Engn, P-1049001 Lisbon, Portugal
来源：
IET OPTOELECTRONICS | 2012年 / 6卷 / 02期
关键词：
DIRECT-DETECTION DPSK; PERFORMANCE ANALYSIS; BALANCED DETECTION; NOISE; NETWORKS; SIGNALS; IMPACT; ERROR;
D O I：
10.1049/iet-opt.2010.0093
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：
An analytical method based on the knowledge of the moment generating function of the decision variable, which permits to assess the in-band crosstalk tolerance of direct detection differential phase-shift keying (DPSK) optical systems with receiver imperfections relatively to conventional on-off keying systems, is presented. It is shown that the crosstalk tolerance of DPSK systems can be greatly reduced or even disappear when the receiver imperfections are taken into account.
引用
收藏
页码：94 / 101
页数：8
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