Coherent broadband mid-infrared supercontinuum generation in As2Se3 photonic crystal fiber

2013/09/23 by Wu Yuan, Yuan, Wu
Engineering · Physics and Astronomy · #Advanced Fiber Laser Technologies #FOS: Physical sciences #Optical Network Technologies #Optics (physics.optics) #Photonic Crystal and Fiber Optics

paper · pdf · doi:10.48550/arxiv.1309.5830

openalex publication_date 2013/09/23 · openalex created_date 2016/08/23 · openalex updated_date 2026/07/28

Abstract

The generation of fully coherent broadband mid-infrared (MIR) supercontinuum (SC) from 2.3 um to 8.3 um is demonstrated by using a 4.1 um pump and an As2Se3 photonic crystal fiber (PCF).By introducing the random quantum noise and the power instability on the input pulse and by numerically implementing the Young,s double slits experiment, we examine the coherence properties across the SC spectrum. It is found that the coherence of this MIR SC source depends strongly on the input pulse duration, the peak power, the power stability, and the zero-dispersion wavelength (ZDW) of the As2Se3 PCF.The optimal conditions for the MIR SC with a maximal coherent bandwidth are identified.

Citations

• Large Raman gain and nonlinear phase shifts in high-purity As₂Se₃ chalcogenide fibers

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