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Mid-infrared difference-frequency generation directly pumped by a fiber four-wave mixing source
- 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.
- Subjects :
- Atomic and Molecular Physics, and Optics
Subjects
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