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 quantum-dot superluminescent light-emitting diodes

ZY Zhang, RA Hogg, XQ Lv, ZG Wang - Advances in Optics and …, 2010 - opg.optica.org
The development of low-cost, compact, high-power and broadband superluminescent light-
emitting diodes is an important research subject for a wide range of applications. We …

The role of Auger recombination in the temperature-dependent output characteristics (T=∞) of p-doped 1.3 μm quantum dot lasers

S Fathpour, Z Mi, P Bhattacharya, AR Kovsh… - Applied Physics …, 2004 - pubs.aip.org
Temperature invariant output slope efficiency and threshold current (T 0=∞) in the
temperature range of 5–75 C have been measured for 1.3 μm p-doped self-organized …

Characterization of semiconductor laser gain media by the segmented contact method

P Blood, GM Lewis, PM Smowton… - IEEE Journal of …, 2003 - ieeexplore.ieee.org
In this paper, we describe methods for analysis of edge-emitted amplified spontaneous
emission spectra measured as a function of the pumped stripe length. We show that both the …

Magnetooptic properties and applications of bismuth substituted iron garnets

GB Scott, D Lacklison - IEEE Transactions on Magnetics, 1976 - ieeexplore.ieee.org
Using the results of the phenomenological and microscopic description of magnetooptically
active transitions presented in the beginning of the article, a review is made of the progress …

Theoretical and experimental study of optical gain, refractive index change, and linewidth enhancement factor of p-doped quantum-dot lasers

J Kim, SL Chuang - IEEE journal of quantum electronics, 2006 - ieeexplore.ieee.org
A theoretical and experimental study of the optical gain, refractive index change, and
linewidth enhancement factor (LEF) of a p-doped quantum-dot (QD) laser is reported. These …

Carrier dynamics and high-speed modulation properties of tunnel injection InGaAs-GaAs quantum-dot lasers

P Bhattacharya, S Ghosh, S Pradhan… - IEEE Journal of …, 2003 - ieeexplore.ieee.org
We have performed pump-probe differential transmission spectroscopy (DTS)
measurements on In/sub 0.4/Ga/sub 0.6/As-GaAs-AlGaAs heterostructures, which show that …

Development of quantum dot lasers for data-com and silicon photonics applications

K Nishi, K Takemasa, M Sugawara… - IEEE Journal of …, 2017 - ieeexplore.ieee.org
The device characteristics of semiconductor lasers have been improved with progress in
active layer structures. Carrier confinement dimension plays an important role especially in …

High-speed 1.3 μm tunnel injection quantum-dot lasers

Z Mi, P Bhattacharya, S Fathpour - Applied Physics Letters, 2005 - pubs.aip.org
1.3 μ m tunnel injection quantum-dot lasers are demonstrated. The laser heterostructures
are grown by molecular-beam epitaxy. The InAs self-organized quantum dots are p doped to …

Investigation of the nonlinear optical rectification coefficient in a multilayered spherical quantum dot

A Fakkahi, A Sali, M Jaouane, R Arraoui… - Optical Materials, 2022 - Elsevier
In the framework of the effective mass approximation, we have investigated the effects of
hydrostatic pressure, temperature, nonparabolicity of the band, and polaronic mass on …