20µW of average power at ~18µm is generated by difference frequency mixing the 300mW, two-color output of a Yb:fiber amplifier. The mid-infrared power was not limited by two-photon absorption allowing it to be scaled.
© 2008 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(190.0190) Nonlinear optics : Nonlinear optics
(190.4223) Nonlinear optics : Nonlinear wave mixing
R. Romero Alvarez and D. Strickland, "Two-Color Fiber Amplifier for Mid-Infrared Generation," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JThA37.
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