Optical phase locking techniques: an overview and a novel method based on Single Side Sub-Carrier modulation

被引：36

作者：

Ferrero, V. ^{[1
]}

Camatel, S. ^{[2
]}

机构：

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

[2] Ist Super Mario Boella, Photon Lab, I-10138 Turin, Italy

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 02期

关键词：

D O I：

10.1364/OE.16.000818

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A short overview on Optical Phase locking techniques and a detailed description of the Phase Locking technique based on Sub-Carriers modulation is presented. Furthermore, a novel Single Side Sub-Carrier-based Optical Phase Locked Loop (SS-SC-OPLL), with off the shelf optical components, is also presented and experimentally demonstrated. Our new method, based on continuous wave semiconductor lasers and optical single side sub-carrier modulation using QPSK LiNbO(3) modulator, allows a practical implementation with better performance with respect to the previously proposed OPLL circuits, and permits an easy use in real time WDM signal coherent demodulation. (c) 2008 Optical Society of America.

引用

页码：818 / 828

页数：11

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