The effect of distribution of holes in the momentum-space on the photoresponse of p-type quantum well infrared photodetector | Zendy

Zhou Xu-chang | Zendy; Xiaohong Chen | Zendy; Honglou Zhen | Zendy; Lu Wei | Zendy

Open Access

The effect of distribution of holes in the momentum-space on the photoresponse of p-type quantum well infrared photodetector

Author(s) -

Zhou Xu-chang,

Xiaohong Chen,

Honglou Zhen,

Lu Wei

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.4247

Subject(s) - photodetector , photocurrent , quantum well infrared photodetector , momentum (technical analysis) , position and momentum space , infrared , physics , optoelectronics , space (punctuation) , quantum well , doping , condensed matter physics , materials science , optics , quantum mechanics , laser , economics , linguistics , philosophy , finance

The electronic structure and photoresponse of p-type quantum well infrared photodetector (QWIP) are calculated by self-consistent method. The effect of distribution of holes in the momentum-space on the photoresponse of the device is studied. The calculation results show that the contribution of holes to the photocurrent depends on the distribution of holes in the momentum-space, so the density of holes and the temperature influence the photoresponse of the p-type QWIP. The theoretical results agree well in the change of photoresponse of device with doping concentration and temperature in the experiment.

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