期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 16, 期 2, 页码 674-676出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2003.823106
关键词
chromatic dispersion (CD) compensation; coherent detection; optical transmission; phase diverse detection
A new approach to coherent detection is demonstrated which Achieves the same high sensitivity as homodyne detection but without the need to phase lock the local oscillator laser. In addition, 1470 ps/nm of chromatic dispersion is compensated with zero net penalty by electronic domain equalization, a result which has not been achieved before because zero-penalty equalization is not possible after direct detection. The method proposes the use of high-speed digital signal processing technology, and the experimental results are obtained using burst-mode sampling followed by offline signal processing.
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