The quantum dot spectrometer

J. L. Jimenez; L. R.C. Fonseca; D. J. Brady; J. P. Leburton; D. E. Wohlert; K. Y. Cheng

doi:10.1063/1.120390

The quantum dot spectrometer

J. L. Jimenez
, L. R.C. Fonseca
, D. J. Brady
, J. P. Leburton
, D. E. Wohlert
, K. Y. Cheng

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

We propose a novel photodetector capable of multi-spectral channel operation. The device makes use of the ability of a quantum dot plane to capture an optical spectrum, and of a resonant-tunneling structure to perform spectrally sensitive read-out. We present a design made out in the InAs-GaAs-Al_xGa_{1 - x}As system. We also present realistic simulations of the optical channel capabilities, as well as a discussion of the possible problems of the device.

Original language	English (US)
Pages (from-to)	3558-3560
Number of pages	3
Journal	Applied Physics Letters
Volume	71
Issue number	24
DOIs	https://doi.org/10.1063/1.120390
State	Published - Dec 15 1997
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.120390

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AU - Jimenez, J. L.

AU - Fonseca, L. R.C.

AU - Brady, D. J.

AU - Leburton, J. P.

AU - Wohlert, D. E.

AU - Cheng, K. Y.

PY - 1997/12/15

Y1 - 1997/12/15

N2 - We propose a novel photodetector capable of multi-spectral channel operation. The device makes use of the ability of a quantum dot plane to capture an optical spectrum, and of a resonant-tunneling structure to perform spectrally sensitive read-out. We present a design made out in the InAs-GaAs-AlxGa1 - xAs system. We also present realistic simulations of the optical channel capabilities, as well as a discussion of the possible problems of the device.

AB - We propose a novel photodetector capable of multi-spectral channel operation. The device makes use of the ability of a quantum dot plane to capture an optical spectrum, and of a resonant-tunneling structure to perform spectrally sensitive read-out. We present a design made out in the InAs-GaAs-AlxGa1 - xAs system. We also present realistic simulations of the optical channel capabilities, as well as a discussion of the possible problems of the device.

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The quantum dot spectrometer

Abstract

ASJC Scopus subject areas

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