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Room-temperature short-wavelength (Lambda about 3.7-3.9 µm) GaInAs/AlAsSb quantum-cascade lasers

Raumtemperatur kurzwellige (Lambda ca. 3.7-3.9 µm) GaInAs/AlAsSb Quantenkaskadenlaser
 
: Yang, Q.K.; Manz, C.; Bronner, W.; Köhler, K.; Wagner, J.

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Applied Physics Letters 88 (2006), No.12, Art. 121127, 3 pp.
ISSN: 0003-6951
ISSN: 1077-3118
English
Journal Article
Fraunhofer IAF ()
short-wavelength; kurze Wellenlänge; room temperature; Raumtemperatur; quantum cascade laser; Quantenkaskadenlaser

Abstract
We discuss the possible limitations on realizing short-wavelength GaInAs/AlAsSb quantum-cascade lasers and consequently demonstrate room-temperature (T(ind max) = 310 K) short-wavelength (lambda about 3.7-3.9 µm) GaInAs/AlAsSb quantum-cascade lasers based on triple-well vertical-transition active regions. For a device with the size of 14 µmx3.0 mm with as-cleaved facets, the maximum peak powers per facet are around 31 mW at 300 K and 17 mW at 310 K. The characteristic temperature of the laser is 170 K in the temperature range between 220 and 310 K.

: http://publica.fraunhofer.de/documents/N-48837.html