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 …

Semiconductor quantum-dot nanostructures: Their application in a new class of infrared photodetectors

E Towe, D Pan - IEEE Journal of Selected Topics in Quantum …, 2000 - ieeexplore.ieee.org
Semiconductor quantum-dot nanostructures are interesting objects for fundamental as well
as practical reasons. Fundamentally, they can form the basis of systems in which to study the …

Semiconductor quantum dots and related systems: electronic, optical, luminescence and related properties of low dimensional systems

AD Yoffe - Advances in physics, 2001 - Taylor & Francis
This review seeks to extend the scope of both the experimental and theoreticalwork carried
out since I completed my 1993 review on the electronic, optical, andto a lesser extent, the …

[BOG][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 …

Theory of optical signal amplification and processing by quantum-dot semiconductor optical amplifiers

M Sugawara, H Ebe, N Hatori, M Ishida, Y Arakawa… - Physical Review B, 2004 - APS
This work presents a theory of optical signal amplification and processing by quantum-dot
semiconductor optical amplifiers (SOA's) based on the density matrix equations to treat …

Ultrafast gain recovery and modulation limitations in self-assembled quantum-dot devices

TW Berg, S Bischoff, I Magnusdottir… - IEEE Photonics …, 2001 - ieeexplore.ieee.org
Measurements of ultrafast gain recovery in self-assembled InAs quantum-dot (QD) amplifiers
are explained by a comprehensive numerical model. The QD excited state carriers are found …

Phonon-assisted capture and intradot Auger relaxation in quantum dots

R Ferreira, G Bastard - Applied Physics Letters, 1999 - ui.adsabs.harvard.edu
We report on calculations of capture and relaxation of carriers in quantum dots, specifically,
InAs/GaAs self-assembled dots. We point out that the phonon-assisted carrier capture …

Quantum-dot semiconductor optical amplifiersfor high-bit-rate signal processing up to 160 Gb s-1 anda new scheme of 3R regenerators

M Sugawara, T Akiyama, N Hatori… - Measurement …, 2002 - iopscience.iop.org
This paper presents a theory and simulation of quantum-dot semiconductor optical
amplifiers (SOAs) for high-bit-rate optical signal processing. The theory includes spatial …

Quantum-dot optoelectronic devices

P Bhattacharya, Z Mi - Proceedings of the IEEE, 2007 - ieeexplore.ieee.org
Self-organized In (Ga) As/Ga (Al) As quantum dots have emerged as useful nanostructures
that can be epitaxially grown and incorporated in the active region of devices. The near …

Theory of pulse-train amplification without patterning effects in quantum-dot semiconductor optical amplifiers

AV Uskov, TW Berg, J Mrk - IEEE Journal of Quantum …, 2004 - ieeexplore.ieee.org
A theory for pulse amplification and saturation in quantum dot (QD) semiconductor optical
amplifiers (SOAs) is developed. In particular, the maximum bit rate at which a data stream of …