Nanofabrication of III–V semiconductors employing diblock copolymer lithography

TF Kuech, LJ Mawst - Journal of Physics D: Applied Physics, 2010 - iopscience.iop.org
To fully exploit the potential advantages of ideal quantum dots (QDs)(ie full 3D carrier
confinement), elimination of the wetting layer and a uniform monomodal QD size distribution …

[HTML][HTML] Reduced dislocation growth leads to long lifetime InAs quantum dot lasers on silicon at high temperatures

J Selvidge, ET Hughes, JC Norman, C Shang… - Applied Physics …, 2021 - pubs.aip.org
We describe the effectiveness of filter layers, which displace misfit dislocation (MD)
formation away from the active region, in improving high temperature reliability of epitaxially …

Temperature-dependent characteristics of single-mode InAs submonolayer quantum-dot lasers

D Arsenijevic, C Liu, A Payusov… - IEEE Photonics …, 2012 - ieeexplore.ieee.org
Temperature-dependent lasing characteristics of transverse single-mode GaAs-based InAs
submonolayer (SML) quantum-dot (QD) lasers are investigated. The SML QD lasers, when …

Numerical investigation on self-heating effect in 1.3 µm quantum dot photonic crystal microstructure VCSELs

S Alaei, M Seifouri, G Babaabbasi, S Olyaee - The European Physical …, 2022 - Springer
In this paper, a self-consistent model comprising of rate equation and thermal conduction
equation, in which all possible pathways are considered, is used to investigate the influence …

Modal gain characteristics of a two-section InGaAs/GaAs double quantum well passively mode-locked laser with asymmetric waveguide

Z Qiao, X Li, JXB Sia, W Wang, H Wang, Z Li, Z Zhao… - Scientific Reports, 2022 - nature.com
Abstract Monolithic two-section InGaAs/GaAs double quantum well (DQW) passively mode-
locked lasers (MLLs) with asymmetric waveguide, consisting of the layers of p-doped …

Effects of thermal annealing on the dynamic characteristics of InAs/GaAs quantum dot lasers

HX Zhao, SF Yoon, CY Ngo, R Wang… - IEEE Photonics …, 2010 - ieeexplore.ieee.org
We investigated the effects of rapid thermal annealing (RTA) on the dynamic characteristics
of the InAs/GaAs ten-layer quantum dot (QD) laser. Improvements in the temperature stability …

Modulation of carrier dynamics and threshold characteristics in 1.3-μm quantum dot photonic crystal nanocavity lasers

E Xing, C Tong, J Rong, S Shu, H Wu, L Wang… - Optics & Laser …, 2016 - Elsevier
A self-consistent all-pathway quantum dot (QD) rate equation model, in which all possible
relaxation pathways are considered, is used to investigate the influence of quality (Q) factor …

Temperature-Dependent Study on Modal Gain and Differential Gain of 1.3-m InAs–GaAs QD Lasers With Different -Doping Levels

R Wang, SF Yoon, HX Zhao, CZ Tong… - IEEE Photonics …, 2010 - ieeexplore.ieee.org
The modal gain and differential gain of 1.3-μm InAs-GaAs quantum-dot (QD) lasers with
different doping concentrations have been investigated as a function of injection current …

Controlling and Characterizing the Impact of Dislocations on the Reliability of InAs Quantum Dot Lasers

ET Hughes - 2023 - escholarship.org
Silicon photonics has over the past decade dramatically expanded in scale and importance
and now plays a key role in optical communications for data centers, with many longer-term …

Thermal effects and small signal modulation of 1.3-μm InAs/GaAs self-assembled Quantum-Dot lasers

HX Zhao, SF Yoon, CZ Tong, CY Liu, R Wang… - Nanoscale Res Lett, 2011 - Springer
We investigate the influence of thermal effects on the high-speed performance of 1.3-μm
InAs/GaAs quantum-dot lasers in a wide temperature range (5–50° C). Ridge waveguide …