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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 10, Iss. 9 — Sep. 1, 1993
  • pp: 1723–1729

Parametric generation of tunable infrared radiation in ZnGeP2 and GaSe pumped at 3 μm

K. L. Vodopyanov  »View Author Affiliations


JOSA B, Vol. 10, Issue 9, pp. 1723-1729 (1993)
http://dx.doi.org/10.1364/JOSAB.10.001723


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Abstract

Traveling-wave parametric generators with angular tuning with the use of ZnGeP2 and GaSe crystals pumped by 100-ps pulses from an actively mode-locked Er laser (λ ≈ 3 μm) are reported. The continuous-tuning range achieved was 4–10 μm (ZnGeP2; length, 12 mm) and 3.5–18 μm (GaSe; length, 12 mm) in a type-I interaction, with a quantum conversion efficiency of a few percent. In the case of ZnGeP2 (length, 42 mm) and type-II phase matching, the pump threshold was 0.35 GW/cm2 and the quantum efficiency achieved was 17.6%, corresponding to an output peak power of 3 MW near 5–6 μm.

© 1993 Optical Society of America

History
Original Manuscript: December 29, 1992
Revised Manuscript: April 6, 1993
Published: September 1, 1993

Citation
K. L. Vodopyanov, "Parametric generation of tunable infrared radiation in ZnGeP2 and GaSe pumped at 3 μm," J. Opt. Soc. Am. B 10, 1723-1729 (1993)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-10-9-1723

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