We report broadband laser emission from a quantum cascade laser based on heterogeneous gain medium. Laser emission exceeding 1 THz bandwidth is reported around 2.66 THz (40% of the central frequency).
© 2011 OSA
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade
(300.6495) Spectroscopy : Spectroscopy, teraherz
D. Turcinkova, G. Scalari, F. Castellano, M. I. Amanti, M. Beck, and J. Faist, "Ultra-broadband THz semiconductor laser based on heterogeneous quantum cascade gain medium," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CMF4.
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