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InGaAs/AlAsSb quantum cascade detectors operating in the near infrared

InGaAs/AlAsSb Quantenkaskadendetektoren, die im nahen Infraroten arbeiten
 
: Giorgetta, F.R.; Baumann, E.; Hofstetter, D.; Manz, C.; Yang, Q.K.; Köhler, K.; Graf, M.

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Applied Physics Letters 91 (2007), Nr.11, Art. 111115, 3 S.
ISSN: 0003-6951
ISSN: 1077-3118
Englisch
Zeitschriftenaufsatz
Fraunhofer IAF ()
Quantum cascade detector (QCD); Quantenkaskadendetektor; InGaAs; GaInAs/AlAsSb; AlAsSb; semiconductor; Halbleiter; MBE

Abstract
The authors report on short-wavelength In0.53Ga0.47As/AlAs0.56Sb0.44 quantum cascade detectors (QCDs). At room temperature, one device detects at 505 meV (2.46 mu m) with a responsivity of 2.57 mA/W, while a second QCD is sensitive at 580 meV (2.14 mu m) with a responsivity of 0.32 mA/W.

: http://publica.fraunhofer.de/dokumente/N-64908.html