Multi-octave coherent mid-infrared supercontinuum generation out to 11 µm via intra-pulse difference frequency generation in ZGP

Ankita Khanolkar; Chenchen Wan; DongFeng Liu; Sterling Backus; Peter Fendel; Reza Salem

doi:10.1117/12.3013316

7 June 2024 Multi-octave coherent mid-infrared supercontinuum generation out to 11μm via intra-pulse difference frequency generation in ZGP

Ankita Khanolkar, Chenchen Wan, DongFeng Liu, Sterling Backus, Peter Fendel, Reza Salem

Author Affiliations +

Proceedings Volume 13026, Next-Generation Spectroscopic Technologies XVI; 1302604 (2024) https://doi.org/10.1117/12.3013316
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

We present a multi-octave, mid-infrared supercontinuum source spanning from 3.6μm and extending into long-wave infrared region out to 11μm with an exceptionally high conversion efficiency of 8.2% and output power of 39 mW. These results were enabled by intra-pulse difference frequency generation involving a femtosecond Thulium doped fiber laser, an indium fluoride fiber and a zinc germanium phosphide crystal.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ankita Khanolkar, Chenchen Wan, DongFeng Liu, Sterling Backus, Peter Fendel, and Reza Salem "Multi-octave coherent mid-infrared supercontinuum generation out to 11μm via intra-pulse difference frequency generation in ZGP", Proc. SPIE 13026, Next-Generation Spectroscopic Technologies XVI, 1302604 (7 June 2024); https://doi.org/10.1117/12.3013316

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