Digital Compensation of Intercarrier Nonlinear Distortion With Carrier Phase Locking

被引：1

作者：

Yamazaki, Etsushi ^{[1
]}

Inuzuka, Fumikazu ^{[1
]}

Yonenaga, Kazushige ^{[1
]}

Takada, Atsushi ^{[1
]}

Miyamoto, Yutaka ^{[1
]}

机构：

[1] NTT Corp, Nippon Telegraph & Tel NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2010年 / 28卷 / 05期

关键词：

Coherent; digital; fiber; four-wave mixing (FWM); intercarrier; nonlinear; optical; processing; signal; transmission; CHROMATIC DISPERSION; CONJUGATION; FIBER; OFDM; WDM;

D O I：

10.1109/JLT.2009.2033615

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：

Compensating for intercarrier nonlinear distortion allows launching higher power into the transmission fiber and it leads to an increase in the transmission distance. Numerical calculations show that the launch power is increased by 10 dB and the maximum transmission distance is more than tripled, when the optical repeater spacing of 80 km, dispersion-shifted fiber, and signal format of 10 Gb/s nonreturn-to-zero are assumed. It is experimentally demonstrated that waveform distortion due to the four-wave mixing (FWM) among different carriers in wavelength-division multiplexing (WDM) becomes deterministic by phase-locking optical carriers and that FWM distortion can be compensated at 5 Gb/s with three-channel condition by employing DSP at the transmitter or receiver.

引用

页码：828 / 836

页数：9

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