Differential detection of single modulation sideband for ultra-dense optical frequency-division multiplexed systems

被引：4
|
作者：
Kikuchi, K [1 ]
Katoh, K [1 ]
机构：
[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan
来源：
ELECTRONICS LETTERS | 2002年 / 38卷 / 17期
关键词：
Bandpass filters - Correlation detectors - Demodulation - Distributed feedback lasers - Frequency division multiplexing - Intermediate frequency amplifiers - Light modulators - Mixer circuits - Oscillators (electronic) - Phase shift keying - Spectrum analyzers - Waveguide attenuators;
D O I：
10.1049/el:20020619
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：
Differential detection of the single modulation sideband of the binary phase-shift-keying (BPSK) signal is demonstrated. Using single-sideband differential detection at the intermediate frequency stage, it is possible to demodulate 2.5 Gbit/s BPSK-modulated optical channels with spacing as narrow as 2.5 GHz. Even though the spectra of the two channels are overlapped, error-free operation is maintained in each channel.
引用
收藏
页码：980 / 981
页数：2
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