Microwatt-level terahertz sources based on intra-cavity difference-frequency generation in mid-infrared quantum cascade lasers
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abstract
We report 5THz quantum cascade laser sources based on intra-cavity difference-frequency generation in dual-wavelength mid-infrared quantum cascade lasers. Our devices produce microwatt-level terahertz output at 80K and approximately 200nW output at 250K. 2008 Optical Society of America.
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2008 Conference on Lasers and Electro-Optics (CLEO)