Above room temperature operation of InAs/AlSb quantum cascade lasers emitting at around 6 µm are reported. The threshold current in pulsed mode is 5.3 kA/cm2 at 300 K and maximum operating temperature is 373 K.
© 2007 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(230.0230) Optical devices : Optical devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
Y. Moriyasu, K. Ohtani, H. Ohnishi, and H. Ohno, "Above Room-Temperature Operation of InAs/AlSb Quantum Cascade Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper JWA136.
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