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Quantum well intrasubband photodetector for far infared and terahertz radiation detection
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10.1063/1.2770766
/content/aip/journal/apl/91/7/10.1063/1.2770766
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2770766

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic illustrations of the energy dispersions and energy band diagrams of (a) FIR/terahertz QWIP; (b) QWISP showing intersubband and impurity scattering assisted intrasubband optical absorption and carrier extraction mechanisms.

Image of FIG. 2.
FIG. 2.

(Color online) Calculated quantum well absorption coefficients for structures listed in Table I. The QWIP (set P) results are for side-incidence (-polarized) radiation only. The QWISP (set S) results for both normal-incidence (averaged over and polarizations) and side-incidence radiations are shown.

Image of FIG. 3.
FIG. 3.

(Color online) Low-temperature FIR/terahertz QWIP (set P) side-incidence responsivity and QWISP (set S) normal-incidence responsivity. Modeling parameters are listed in Table I.

Tables

Generic image for table
Table I.

QWIP (set P) and QWISP (set S) structure and simulation parameters, and calculated activation energies and responsivity peak positions.

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/content/aip/journal/apl/91/7/10.1063/1.2770766
2007-08-14
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantum well intrasubband photodetector for far infared and terahertz radiation detection
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/7/10.1063/1.2770766
10.1063/1.2770766
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