Design of an efficient Mid-IR light source using As2S3 based highly nonlinear microstructured optical fibers

2012/05/15 by Ajanta Barh, Barh, A., Somnath Ghosh +9
Engineering · Materials Science · #FOS: Physical sciences #Optics (physics.optics) #Phase-change materials and chalcogenides #Photonic Crystal and Fiber Optics #Photonic and Optical Devices

paper · pdf · doi:10.48550/arxiv.1205.3283

openalex publication_date 2012/05/15 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We report on the design of a highly-nonlinear specialty fiber as a mid-infrared light source at 4.3 μm. A meter length of the designed solid-core chalcogenide based index-guided microstructured optical fiber (MOF) with circular air holes has been exploited to translate wavelength via four wave mixing using a thulium-doped fiber laser as the pump with a relatively low peak power of 5 W. A peak gain value of around 37 dB with full width at half maxima (FWHM) less than 3 nm is achieved.

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