Tracing the two- to three-dimensional transition in InAs/GaAs sub-monolayer quantum dot growth
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146713
Abstract: Abstract A two- to three-dimensional (2D to 3D) transition in InAs/GaAs sub-monolayer quantum dot (SML-QD) growth was investigated, and its evolution was traced. From the AFM results, the SML-QDs disappeared gradually and plateaus around each… read more here.
Keywords: three dimensional; inas gaas; two three; transition ... See more keywords
Raman study of InAs/GaAs quantum dot solar cells
Sign Up to like & getrecommendations! Published in 2019 at "Current Applied Physics"
DOI: 10.1016/j.cap.2019.07.010
Abstract: Abstract We report polarized and resonant Raman study of InAs/GaAs quantum dot solar cell (QDSC) structures. Raman spectra obtained from the top surfaces of the samples suggested that the formation of InAs QDs induced tensile… read more here.
Keywords: study inas; raman study; quantum dot; inas gaas ... See more keywords
Atomistic behaviour of (n × 3) -reconstructed areas of InAs-GaAs(001) surface at the growth condition
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2017.01.009
Abstract: Abstract We have investigated the spatial evolution of ( n × 3 ) surface reconstructed areas during the molecular beam epitaxial growth of InAs–GaAs(001) by using ab initio-based calculation and in situ observation, in order… read more here.
Keywords: inas gaas; reconstructed areas; surface; growth ... See more keywords
Investigation of intersubband transitions in truncated pyramid-shaped InAs/GaAs quantum dots coupled to wetting layer: Strain and size matter
Sign Up to like & getrecommendations! Published in 2018 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2018.08.010
Abstract: Abstract In this paper, we theoretically report competition behaviour of size and strain effects on the InAs/GaAs quantum dots (QDs) eigenenergies, the envelop functions and also transition energies of the z-polarized WL-to-S states with varying… read more here.
Keywords: inas gaas; gaas quantum; strain size; size ... See more keywords
Single Plasmon Generation in an InAs/GaAs Quantum Dot in a Transfer-Printed Plasmonic Microring Resonator
Sign Up to like & getrecommendations! Published in 2019 at "ACS Photonics"
DOI: 10.1021/acsphotonics.8b01749
Abstract: We report single plasmon generation with a self-assembled InAs/GaAs quantum dot embedded in a plasmonic microring resonator. The plasmonic cavity based on a GaAs microring is defined on an atomically smooth silver surface. We fabricated… read more here.
Keywords: single plasmon; quantum dot; inas gaas; plasmon generation ... See more keywords
O-band InAs/GaAs quantum-dot microcavity laser on Si (001) hollow substrate by in-situ hybrid epitaxy
Sign Up to like & getrecommendations! Published in 2019 at "AIP Advances"
DOI: 10.1063/1.5065527
Abstract: Recent years, the emergence of hyper-scale data centers boosted the research field of integrated silicon photonics. One of the major challenges for compact photonic integrated circuits is silicon based lasers. In this paper, we demonstrate… read more here.
Keywords: inas gaas; laser; gaas quantum; hybrid epitaxy ... See more keywords
Strain Balancing of Metal-Organic Vapour Phase Epitaxy InAs/GaAs Quantum Dot Lasers
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2017.2703666
Abstract: Incorporation of a GaAs0.8P0.2 layer allows strain balancing to be achieved in self-assembled InAs/GaAs quantum dots (QDs) grown by metal organic vapor phase epitaxy. Tuneable wavelength and high density are obtained through growth parameter optimization,… read more here.
Keywords: inas gaas; gaas quantum; gaas; metal organic ... See more keywords
An Analytical Approach to Study Annealing Induced Interdiffusion of In and Ga for Truncated Pyramidal InAs/GaAs Quantum Dots
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Nanotechnology"
DOI: 10.1109/tnano.2020.2975934
Abstract: A strain-assisted model for studying the annealing induced interdiffusion of constituent atoms in truncated pyramidal InAs/GaAs self-assembled quantum dot (QD) is developed. In our model, we have considered the equiprobable diffusion of Ga and In… read more here.
Keywords: truncated pyramidal; pyramidal inas; induced interdiffusion; inas gaas ... See more keywords
The Energy Spectrum and Wave Functions of Electrons in Tunnel-Coupled Spherical InAs/GaAs Quantum Dots
Sign Up to like & getrecommendations! Published in 2020 at "Technical Physics Letters"
DOI: 10.1134/s1063785020030219
Abstract: Abstract Some results of the numerical calculation of the electron ground state energy and electron density in tunnel-coupled InAs/GaAs quantum dots composing a simple cubic superlattice are presented. The calculation is performed within the modified… read more here.
Keywords: inas gaas; energy; gaas quantum; tunnel coupled ... See more keywords
Elimination of Bimodal Size in InAs/GaAs Quantum Dots for Preparation of 1.3-μm Quantum Dot Lasers
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale Research Letters"
DOI: 10.1186/s11671-018-2472-y
Abstract: The device characteristics of semiconductor quantum dot lasers have been improved with progress in active layer structures. Self-assembly formed InAs quantum dots grown on GaAs had been intensively promoted in order to achieve quantum dot… read more here.
Keywords: inas gaas; quantum; quantum dot; dot lasers ... See more keywords
All MBE grown InAs/GaAs quantum dot lasers on on-axis Si (001).
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.011568
Abstract: Directly grown III-V quantum dot (QD) laser on on-axis Si (001) is a good candidate for achieving monolithically integrated Si photonics light source. Nowadays, laser structures containing high quality InAs / GaAs QD are generally… read more here.
Keywords: inas gaas; lasers axis; mbe grown; axis 001 ... See more keywords