Burst-mode clock recovery utilizing relaxation oscillation in directly modulated lasers

被引：3

作者：

Yan, Minhui ^{[1
]}

Chen, Chih-Hung ^{[1
]}

Huang, Wei-Ping ^{[1
]}

机构：

[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2008年 / 26卷 / 9-12期

基金：

加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

burst mode (BM); clock and data recovery (CDR); fiber-to-the-home (FTTH); injection-locked oscillator (ILO); passive optical network (PON); relaxation oscillation;

D O I：

10.1109/JLT.2008.919481

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：

A novel clock recovery scheme utilizing the relaxation oscillation in a directly modulated laser (DML) for burst-mode transmission is proposed for the first time. In this scheme, the DML generates the clock tone along with the transmitted non-return-to-zero data in the optical signal. An injection-locked oscillator (ILO) is employed in the receiver to extract the clock tone and restore the clock. The proposed scheme is investigated systematically and verified by simulations with different laser modulation currents as well as some nonideal characteristics of the system. The simulation results show that the low cost clock recovery method using an ILO in an optical link using a regular DML is highly efficient for burst-mode transmission at 10 Gbps.

引用

页码：1569 / 1576

页数：8

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