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Chin. Phys. B, 2016, Vol. 25(6): 064207    DOI: 10.1088/1674-1056/25/6/064207

Ultra-broadband modulation instability gain characteristics in As2S3 and As2Se3 chalcogenide glass photonic crystal fiber

He-Lin Wang(王河林), Bin Wu(吴彬), Xiao-Long Wang(王肖隆)
Center for Optics and Optoelectronics Research, Zhejiang University of Technology, Hangzhou 310023, China

Based on the designed As2Se3 and As2S3 chalcogenide glass photonic crystal fiber (PCF) and the scalar nonlinear Schrödinger equation, the effects of pump power and wavelength on modulation instability (MI) gain are comprehensively studied in the abnormal dispersion regime of chalcogenide glass PCF. Owing to high Raman effect and high nonlinearity, ultra-broadband MI gain is obtained in chalcogenide glass PCF. By choosing the appropriate pump parameter, the MI gain bandwidth reaches 2738 nm for the As2Se3 glass PCF in the abnormal-dispersion region, while it is 1961 nm for the As2S3 glass PCF.

Keywords:  ultra-broadband modulation instability      Raman effect      high nonlinearity      chalcogenide glass photonic crystal fiber  
Received:  23 November 2015      Revised:  12 January 2016      Published:  05 June 2016
PACS:  42.65.Sf (Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)  
  42.65.Wi (Nonlinear waveguides)  

Project supported by the National Natural Science Fundation of China (Grant No. 11404286), the Natural Science Fundation of Zhejiang Province, China (Grant No. LY15F050010), and the Scientific Research Foundation of Zhejiang University of Technology, China (Grant No. 1401109012408).

Corresponding Authors:  He-Lin Wang     E-mail:

Cite this article: 

He-Lin Wang(王河林), Bin Wu(吴彬), Xiao-Long Wang(王肖隆) Ultra-broadband modulation instability gain characteristics in As2S3 and As2Se3 chalcogenide glass photonic crystal fiber 2016 Chin. Phys. B 25 064207

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