Experimental Investigation of Delay-Tap Sampling Technique for Online Monitoring of RZ-DQPSK Signals

被引：16

作者：

Kozicki, Bartlomiej ^{[1
]}

Maruta, Akihiro ^{[1
]}

Kitayama, Ken-Ichi ^{[1
]}

机构：

[1] Osaka Univ, Suita, Osaka 5650871, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2009年 / 21卷 / 1-4期

关键词：

Asynchronous sampling; differential quadrature phase-shift keying (DQPSK); optical communication; optical performance monitoring (OPM); OPTICAL MODULATION FORMATS; SYSTEMS;

D O I：

10.1109/LPT.2008.2009883

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 experimentally demonstrate optical performance monitoring of 20-Gb/s return-to-zero differential quadrature phase-shift keying signals using an asynchronous delay-tap sampling technique. This method allows online monitoring of accumulated chromatic dispersion in the range from -600 to +600 ps/nm. We also show evaluation of optical signal-to-noise ratio at a level of 6.7 dB and monitor operation at input power of -16 dBm.

引用

页码：179 / 181

页数：3

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