Operation of terahertz quantum cascade lasers have now been demonstrated between 1.2 and 4.9THz. Extremely narrow linewidths and continuous tunability have been reported, with applications in imaging, radio-astronomy and process control.
© 2008 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.3420) Remote sensing and sensors : Laser sensors
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade
J. Faist, "Terahertz Quantum Cascade Lasers: Design and Applications," 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 CMV1.
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