Mid-infrared nonlinear optical properties of droplet-free chalcogenide GeSe2-As2Se3-PbSe glasses

Byoung-Uk Sohn; Myungkoo Kang; Rashi Sharma; Ju Won Choi; Cesar Blanco; Kathleen A. Richardson; Dawn T. H. Tan

doi:10.1364/CLEOPR.2020.P5_20

14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020)
OSA Technical Digest (Optica Publishing Group, 2020),
paper P5_20
•https://doi.org/10.1364/CLEOPR.2020.P5_20

Mid-infrared nonlinear optical properties of droplet-free chalcogenide GeSe₂-As₂Se₃-PbSe glasses

Byoung-Uk Sohn, Myungkoo Kang, Rashi Sharma, Ju Won Choi, Cesar Blanco, Kathleen A. Richardson, and Dawn T. H. Tan

Conference on Lasers and Electro-Optics/Pacific Rim 2020

Sydney Australia
3–5 August 2020
ISBN: 978-0-646-82504-5

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Poster Presentations - 5 (P5)

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B. Sohn, M. Kang, R. Sharma, J. W. Choi, C. Blanco, K. A. Richardson, and D. T. H. Tan, "Mid-infrared nonlinear optical properties of droplet-free chalcogenide GeSe2-As2Se3-PbSe glasses," in 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), OSA Technical Digest (Optica Publishing Group, 2020), paper P5_20.

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Abstract

Nonlinear properties of GeSe₂-As₂Se₃-PbSe are studied using z-scan measurements from 2.5μm–5.5μm. The largest nonlinear refractive index is observed at 2.8μm, corresponding to the two-photon edge. A sub-peak at 4.6μm arises from mid-gap defect states.

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