Quantum dots-in-a-well infrared photodetectors

S Krishna - Journal of Physics D: Applied Physics, 2005 - iopscience.iop.org
Abstract Novel InAs/InGaAs quantum dots-in-a-well (DWELL) infrared photodetectors are
reviewed. These detectors, in which the active region consists of InAs quantum dots (QDs) …

High detectivity InGaAs/InGaP quantum-dot infrared photodetectors grown by low pressure metalorganic chemical vapor deposition

J Jiang, S Tsao, T O'sullivan, W Zhang, H Lim… - Applied Physics …, 2004 - pubs.aip.org
We report a high detectivity middle-wavelength infrared quantum dot infrared photodetector
(QDIP). The InGaAs quantum dots were grown by self-assembly on an InGaP matrix via low …

High-performance mid-infrared quantum dot infrared photodetectors

S Chakrabarti, AD Stiff-Roberts, XH Su… - Journal of Physics D …, 2005 - iopscience.iop.org
Quantum dot infrared photodetectors (QDIPs) have emerged as attractive devices for
sensing long wavelength radiation. Their principle of operation is based on intersublevel …

Quantum dot based infrared focal plane arrays

S Krishna, SD Gunapala, SV Bandara… - Proceedings of the …, 2007 - ieeexplore.ieee.org
In the past decade, there has been active research on infrared detectors based on
intersubband transitions in self-assembled quantum dots (QDs). In the past two years, at …

High detectivity InAs quantum dot infrared photodetectors

ET Kim, A Madhukar, Z Ye, JC Campbell - Applied Physics Letters, 2004 - pubs.aip.org
We report a high detectivity of 31011 cm Hz1/2/W at 78 K for normal-incidence quantum dot
infrared photodetectors with ten layers of undoped InAs/InGaAs/GaAs quantum dot active …

High-detectivity InAs quantum-dot infrared photodetectors grown on InP by metal–organic chemical–vapor deposition

W Zhang, H Lim, M Taguchi, S Tsao… - Applied Physics …, 2005 - pubs.aip.org
We report a high-detectivity InAs quantum-dot infrared photodetector. The InAs quantum
dots were grown by self-assembly on InP substrates via low-pressure metal–organic …

Normal-incidence intersubband (In, Ga) As/GaAs quantum dot infrared photodetectors

D Pan, E Towe, S Kennerly - Applied Physics Letters, 1998 - pubs.aip.org
We report the device performance of normal-incidence (In, Ga) As/GaAs quantum dot
intersubband infrared photodetectors. A primary intersubband transition peak is observed at …

Characteristics of InGaAs quantum dot infrared photodetectors

SJ Xu, SJ Chua, T Mei, XC Wang, XH Zhang… - Applied physics …, 1998 - pubs.aip.org
A quantum dot infrared photodetector (QDIP) consisting of self-assembled InGaAs quantum
dots has been demonstrated. Responsivity of 3.25 mA/W at 9.2 μm was obtained for …

Quantum-dot infrared photodetectors

JC Campbell, A Madhukar - Proceedings of the IEEE, 2007 - ieeexplore.ieee.org
We present a study of a series of nin InAs quantum-dot infrared photodetectors (QDIPs) with
unintentionally doped active regions. Different quantum-dot capping layer materials (GaAs …

Demonstration of a 256× 256 middle-wavelength infrared focal plane array based on InGaAs/InGaP quantum dot infrared photodetectors

J Jiang, K Mi, S Tsao, W Zhang, H Lim… - Applied physics …, 2004 - pubs.aip.org
We report a demonstration of an infrared focal plane array based on InGaAs/InGaP quantum
dot infrared photodetectors. The middle-wavelength infrared quantum-dot infrared …