Quantum dot infrared photodetectors: Comparison of experiment and theory

H Lim, W Zhang, S Tsao, T Sills, J Szafraniec, K Mi… - Physical Review B …, 2005 - APS
We present data and calculations and examine the factors that determine the detectivities in
self-assembled InAs and InGaAs based quantum dot infrared photodetectors (QDIPs). We …

Quantum dot infrared photodetectors

HC Liu, JY Duboz, R Dudek, ZR Wasilewski… - Physica E: Low …, 2003 - Elsevier
We discuss key issues related to quantum dot infrared photodetectors. These are the normal
incidence response, the dark current, and the responsivity and detectivity. It is argued that …

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 …

Quantum dot infrared photodetectors

HC Liu, M Gao, J McCaffrey, ZR Wasilewski… - Applied Physics …, 2001 - pubs.aip.org
Self-assembled strained semiconductor nanostructures have been grown on GaAs
substrates to fabricate quantum dot infrared photodetectors. State-filling photoluminescence …

A quantum dot infrared photodetector with lateral carrier transport

L Chu, A Zrenner, D Bougeard, M Bichler… - Physica E: Low …, 2002 - Elsevier
In this contribution we present a normal-incidence quantum dot (QD) infrared detector
structure. It is based on intra-conduction band transitions between the p-states of the QD and …

On the detectivity of quantum-dot infrared photodetectors

V Ryzhii, I Khmyrova, V Mitin, M Stroscio… - Applied Physics …, 2001 - pubs.aip.org
We report on the analysis of thermally-limited operation of quantum-dot infrared
photodetectors (QDIPs). A device model is developed and used to calculate the QDIP …

Intersublevel transitions in InAs/GaAs quantum dots infrared photodetectors

S Maimon, E Finkman, G Bahir, SE Schacham… - Applied Physics …, 1998 - pubs.aip.org
Thermal generation rate in quantum dots (QD) can be significantly smaller than in quantum
wells, rendering a much improved signal to noise ratio. QDs infrared photodetectors were …

High responsivity, LWIR dots-in-a-well quantum dot infrared photodetectors

DT Le, CP Morath, HE Norton, DA Cardimona… - Infrared physics & …, 2003 - Elsevier
In this paper we report studies on normal incidence, InAs/In0. 15Ga0. 85As quantum dot
infrared photodetectors (QDIPs) in the dots-in-a-well (DWELL) configuration. Three QDIP …

Evaluation of the fundamental properties of quantum dot infrared detectors

J Phillips - Journal of Applied Physics, 2002 - pubs.aip.org
The physical properties of detectors based on intraband optical absorption in quantum dots
is described and examined in the interest of providing a competitive alternative infrared (IR) …

Quantum-dot infrared photodetector with lateral carrier transport

L Chu, A Zrenner, M Bichler, G Abstreiter - Applied Physics Letters, 2001 - pubs.aip.org
In this letter, we present a normal-incident quantum-dot infrared photodetector. The
detection principle is based on intersubband transition between the p states and the wetting …