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Midinfrared quantum cascade detector with a spectrally broad response
Auteur(s)
Giorgetta, Fabrizio R.
Baumann, Esther
Yang, Quankui
Manz, Christian
Köhler, Klaus
Date de parution
2008
In
Journal of Applied Physics, American Institute of Physics (AIP), 2008/93/22/221106 1-3
Résumé
A midinfrared quantum cascade detector with a spectrally broad (Δ<i>E/E</i> = 27.3%) response is designed, fabricated, and tested. This detector consists of 26 differently designed active region stages in order to cover a wavelength region from 4.7 to 7.4 <i>μ</i>m. The device could be operated above room temperature and showed peak responsivities of 13 mA/W at 10 K and 1.25 mA/W at room temperature. A background limited detectivity of 1.55×10<sup>10</sup> Jones was seen up to a temperature <i>T</i><sub>BLIP</sub> of 110 K.
Identifiants
Type de publication
journal article
