Quantum dot opto-electronic devices

P Bhattacharya, S Ghosh… - Annu. Rev. Mater …, 2004 - annualreviews.org
▪ Abstract Highly strained semiconductors grow epitaxially on mismatched substrates in the
Stranski-Krastanow growth mode, wherein islands are formed after a few monolayers of …

Self-assembled semiconductor quantum dots: Fundamental physics and device applications

MS Skolnick, DJ Mowbray - Annu. Rev. Mater. Res., 2004 - annualreviews.org
▪ Abstract As a result of their fully quantized electronic states and high radiative efficiencies,
self-assembled quantum dots have enabled major advances in fundamental physics studies …

[图书][B] Introduction to nanoscale science and technology

M Di Ventra, S Evoy, JR Heflin Jr - 2004 - Springer
Nanoscale science and technology is a young and burgeoning field that encompasses
nearly every discipline of science and engineering. With rapid advances in areas such as …

Spectrally adaptive infrared photodetectors with bias-tunable quantum dots

Ü Sakoğlu, JS Tyo, MM Hayat, S Raghavan, S Krishna - JOSA B, 2004 - opg.optica.org
Quantum-dot infrared photodetectors (QDIPs) exhibit a bias-dependent shift in their spectral
response. In this paper, a novel signal-processing technique is developed that exploits this …

Normal-incidence quantum dots-in-a-well detector operating in the long-wave infrared atmospheric window (8–12 μm)

S Raghavan, D Forman, P Hill… - Journal of applied …, 2004 - pubs.aip.org
Normal incidence InAs/In 0.15 Ga 0.85 As dots-in-a-well (DWELL) detectors are reported in
which the peak operating wavelength was tailored from 7.2 to 11 μm using heterostructure …

Anisotropic photoconductivity of InGaAs quantum dot chains measured by terahertz pulse spectroscopy

DG Cooke, FA Hegmann, YI Mazur, WQ Ma… - Applied physics …, 2004 - pubs.aip.org
We report results of time-resolved terahertz (THz) pulse spectroscopy experiments on
laterally ordered chains of self-assembled InGaAs quantum dots photoexcited with 400 …

Intraband absorption for InAs/GaAs quantum dot infrared photodetectors

JZ Zhang, I Galbraith - Applied physics letters, 2004 - pubs.aip.org
Using the envelope function theory, intraband absorption is calculated for InAs/GaAs
pyramidal quantum dots. The effects of the quantum dot geometry, such as the dot shape …

Recent developments in the physics and applications of self-assembled quantum dots

MS Skolnick, DJ Mowbray - Physica E: Low-dimensional Systems and …, 2004 - Elsevier
Due to their fully quantised electronic states and high radiative efficiencies, self-assembled
quantum dots have enabled major new advances in both fundamental physics and in a …

Multicolor InGaAs quantum-dot infrared photodetectors

SM Kim, JS Harris - IEEE photonics technology letters, 2004 - ieeexplore.ieee.org
We report two-color InGaAs quantum-dot infrared photodetectors. The InGaAs self-
assembled quantum dots were grown on InGaP matrix via metal-organic chemical vapor …

Tunable normal incidence Ge quantum dot midinfrared detectors

S Tong, F Liu, A Khitun, KL Wang, JL Liu - Journal of applied physics, 2004 - pubs.aip.org
Midinfrared photodetectors in the 3–5 μm region were demonstrated by using molecular
beam epitaxy grown self-assembled Ge quantum dots at normal incidence. The structure …