Direct-Detection Receiver for Polarization-Division-Multiplexed OOK Signals

被引：5

作者：

Sim, D. H. ^{[1
]}

Kim, Hoon ^{[1
]}

Chung, Y. C. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 21期

基金：

新加坡国家研究基金会;

关键词：

Optical fiber communication; optical receivers; polarization-division multiplexing; OPTICAL COMMUNICATION; SYSTEMS;

D O I：

10.1109/LPT.2015.2457936

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 propose a direct-detection receiver capable of detecting polarization-division-multiplexed (PDM) ON-OFF keying (OOK) signals without using a dynamic polarization controller. The proposed receiver, consisted of a polarization-beam splitter, three 1 x 2 directional couplers, three photodetectors, three analog-to-digital converters, and a digital signal processing unit, can discriminate among the four symbol combinations of the PDM-OOK signal with the help of a short training sequence. For a demonstration, we show that the proposed receiver can detect a 20-Gb/s PDM-OOK signal even when its polarization is scrambled at the speed of 3 Mrad/s.

引用

页码：2238 / 2241

页数：4

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