Efficient intracavity nonlinear interaction of laser modes in quantum cascade lasers with integrated resonant nonlinear optical intersubband transitions is discussed. Second-harmonic generation at 4.5 μm with a peak power of 240 μW has been demonstrated.
© 2004 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.4360) Nonlinear optics : Nonlinear optics, devices
C. Gmachl, O. Malis, D. L. Sivco, L. Peabody, M. Sergent, A. Belyanin, and T. S. Mosely, "Nonlinear light generation in quantum cascade lasers," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CMR6.
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