All-optical wavelength conversion and five-channel multicasting for 20 Gbit/s QPSK signals in a silicon waveguide

Wavelength conversion and five-channel multicasting for 20  Gbit/s quadrature phase-shift keying signals have been experimentally demonstrated based on four-wave mixing in a silicon waveguide with digital coherent detection. The eye diagrams and constellation diagrams of the converted and multicasti...

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Bibliographic Details
Published in:Optics letters 2014-11, Vol.39 (21), p.6122-6125
Main Authors: Wang, Xiaoyan, Huang, Lingchen, Yi, Ke, Feng, Xianglian, Gao, Shiming
Format: Article
Language:English
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Summary:Wavelength conversion and five-channel multicasting for 20  Gbit/s quadrature phase-shift keying signals have been experimentally demonstrated based on four-wave mixing in a silicon waveguide with digital coherent detection. The eye diagrams and constellation diagrams of the converted and multicasting idlers are successfully observed. Moreover, the bit-error rates (BERs) of the generated idlers are measured and the power penalties are all less than 0.7 dB at a BER of 3×10(-3).
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.39.006122