Widely tunable midinfrared difference frequency generation in orientation-patterned GaAs pumped with a femtosecond Tm-fiber system
- 12 July 2012
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 37 (14) , 2928-2930
Abstract
We demonstrate a midinfrared source tunable from 6.7 to 12.7 m via difference frequency generation (DFG) in orientation-patterned GaAs, with 1.3 mW average output power. The input pulses are generated via Raman self-frequency shift of a femtosecond Tm-doped-fiber laser system in a fluoride fiber. We numerically model the DFG process and show good agreement between simulations and experiments. We use this numerical model to show an improved design using longer pump pulses.
Keywords
Funding Information
- U.S. Air Force Office of Scientific Research (AFOSR) (FA9550-09-1-0233, FA9550-05-1-0180)
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