Benefit of SPM-based all-optical reshaper in receiver for long-haul DWDM transmission systems

被引：17

作者：

Yoshikane, N ^{[1
]}

Morita, I ^{[1
]}

Tsuritani, T ^{[1
]}

Agata, A ^{[1
]}

Edagawa, N ^{[1
]}

Akiba, S ^{[1
]}

机构：

[1] KDDI R&D Labs, Kamifukuoka, Saitama 3568502, Japan

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2004年 / 10卷 / 02期

关键词：

all-optical reshaping; carrier-suppressed return-to-zero signal; dense wavelength-division multiplexing; optically bandlimited signal; self-phase modulation;

D O I：

10.1109/JSTQE.2004.825954

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：

The effectiveness of a self-phase modulation (SPM)-based all-optical reshaper with optically time-division-demultiplexing receiver was experimentally investigated using 42.7-Gb/s carrier-suppressed return-to-zero (CS-RZ) signals. We have confirmed that this scheme is quite effective to suppress the waveform degradation due to optical signal bandlimitation. We have demonstrated 80% spectral efficiency without using polarization demultiplexing by using the all-optical reshaper. We have also demonstrated 50-GHz-spaced 55 x 42.7 Gb/s signals transmission over 2500 km, using an optically bandlimited CS-RZ signal and the SPM-based all-optical reshaper in receiver without using polarization demultiplexing. A Q-factor improvement of about 1.5 dB was obtained by using the all-optical reshaper.

引用

页码：412 / 420

页数：9

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