Cascaded four-wave mixing in fiber optical parametric amplifiers: Application to residual dispersion monitoring

被引：34

作者：

Ng, TT ^{[1
]}

Blows, JL ^{[1
]}

Mok, JT ^{[1
]}

McKerracher, RW ^{[1
]}

Eggleton, BJ ^{[1
]}

机构：

[1] Univ Sydney, Sch Phys, ARC, CUDOS, Sydney, NSW 2006, Australia

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2005年 / 23卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

dispersion compensation; dispersion monitoring; nonlinear functions; optical parametric amplifiers; optical pulse measurements; optical signal processing;

D O I：

10.1109/JLT.2004.838861

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：

This paper presents a parametric amplifier configuration that enables real-time monitoring of the net dispersion experienced by a pulse train. Fast detection or fast electronic signal processing is not required. The device exploits cascaded four-wave mixing (FWM) in an optical fiber and exhibits parametric gain and frequency conversion efficiency of more than 18 dB. Dispersion monitoring with 11-ps pulses that have experienced a net dispersion of +/-180 ps/nm are demonstrated. These pulses are similar to those to be used in high-bandwidth (similar to 40 Gb/s) communication systems. The device is compatible with 160-Gb/s systems. Parametric amplification within the device enables simultaneous dispersion monitoring, wavelength conversion, and amplification. The monitor can be used in a feedback loop with a tunable dispersion compensator, allowing dispersion to be managed. Equations governing the FWM process are presented; there is good agreement between the simulated and measured results. The equations are further used to understand which of the several FWM processes within the device dominate.

引用

页码：818 / 826

页数：9

共 26 条

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