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Mid-infrared difference-frequency generation directly pumped by a fiber four-wave mixing source

Authors :
Ronan A. Battle
Anita M. Chandran
Timothy H. Runcorn
Arnaud Mussot
Alexandre Kudlinski
Robert T. Murray
J. Roy Taylor
Source :
Optics Letters. 48:387
Publication Year :
2023
Publisher :
Optica Publishing Group, 2023.

Abstract

We demonstrate a new, to the best of our knowledge, method of generating mid-infrared pulses by difference frequency mixing the Stokes pulse generated by four-wave mixing in a photonic crystal fiber with the remaining pump pulse. The Stokes pulses generated by four-wave mixing are inherently overlapped temporally and spatially with the pump pulse at the output of the fiber. Focusing this output into a nonlinear crystal phase matched for difference frequency generation between the pump and Stokes pulses results in a simple method of generating mid-infrared pulses. With a pump source at 1.064 µm, and a photonic crystal fiber engineered to generate Stokes pulses at approximately 1.65 µm, we generate 160 mW of mid-infrared light at approximately 3 µm through difference frequency generation.

Details

ISSN :
15394794 and 01469592
Volume :
48
Database :
OpenAIRE
Journal :
Optics Letters
Accession number :
edsair.doi...........be3fd50b47ddd28d4d03873468016779
Full Text :
https://doi.org/10.1364/ol.476754