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Proceedings Paper

Milliwatt midinfrared from intrapulse difference frequency with a single erbium fiber laser
Author(s): Kevin F. Lee; Peter G. Schunemann; Martin E. Fermann
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Paper Abstract

We generate about 2 mW of midinfrared in orientation-patterned gallium phosphide pumped by an erbium fiber laser. The midinfrared spectrum has a strong component around 8 to 10 μm wavelength, with a broad background from about 7 to 12 μm. The pump laser has 5 W, single mode output at 96 MHz compressed to 65 fs, with a peak power of up to about 0.6 MW. Before midinfrared generation, we further broaden and recompress the pulses in a small length of fiber, obtaining 3 W of 17 fs pulses with peak power near 1 MW but broader bandwidth to generate midinfrared.

Paper Details

Date Published: 2 March 2020
PDF: 6 pages
Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 1126404 (2 March 2020); doi: 10.1117/12.2543079
Show Author Affiliations
Kevin F. Lee, IMRA America, Inc. (United States)
Peter G. Schunemann, BAE Systems (United States)
Martin E. Fermann, IMRA America, Inc. (United States)

Published in SPIE Proceedings Vol. 11264:
Nonlinear Frequency Generation and Conversion: Materials and Devices XIX
Peter G. Schunemann; Kenneth L. Schepler, Editor(s)

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