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Chinese Physics, 2007, Vol. 16(6): 1672-1677    DOI: 10.1088/1009-1963/16/6/031
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Influence of degenerate four-wave mixing on the performance of supercontinuum-based multiwavelength optical source

Zhao Xiao-Fan(赵晓凡), Yang Yan-Fu(杨彦甫), Zhou Hong-Bo(周鸿波), Lou Cai-Yun(娄采云), and Gao Yi-Zhi(高以智)
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
Abstract  The influence of degenerate four-wave mixing (FWM) on the performance of supercontinuum-based multiwavelength optical source has been investigated in detail experimentally and theoretically. Numerical simulation results show that the degenerate FWM effect has a deteriorative influence on the spectral uniformity and the optical signal-to-noise ratio (OSNR) of supercontinuum-based optical source, and by suppressing degenerate FWM effect the performance enhancement of the supercontinuum can be achieved successfully. These results are also confirmed by our experiments. Experimentally, by suppressing degenerate FWM the crosstalk of adjacent channels to the filtered channel can be reduced by as much as 15 dB, and consequently the measured receiver sensitivity at 10 Gbit/s for the filtered optical source is improved from -1.7 to -17.8 dBm.
Keywords:  supercontinuum      self-phase modulation      degenerate four-wave mixing  
Received:  10 October 2006      Revised:  11 January 2007      Accepted manuscript online: 
PACS:  42.65.Hw (Phase conjugation; photorefractive and Kerr effects)  
  42.72.-g (Optical sources and standards)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No~60577033), the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No~20050003010) and the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology.

Cite this article: 

Zhao Xiao-Fan(赵晓凡), Yang Yan-Fu(杨彦甫), Zhou Hong-Bo(周鸿波), Lou Cai-Yun(娄采云), and Gao Yi-Zhi(高以智) Influence of degenerate four-wave mixing on the performance of supercontinuum-based multiwavelength optical source 2007 Chinese Physics 16 1672

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