A Light‐Hole Germanium Quantum Well on Silicon
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202201192
Abstract: The quiet quantum environment of holes in solid‐state devices is at the core of increasingly reliable architectures for quantum processors and memories. However, due to the lack of scalable materials to properly tailor the valence… read more here.
Keywords: hole; quantum; germanium quantum; light hole ... See more keywords
Highly-Directional, Highly-Efficient Solution-Processed Light-Emitting Diodes of All-Face-Down Oriented Colloidal Quantum Well Self-Assembly.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202206582
Abstract: Semiconductor colloidal quantum wells (CQWs) provide anisotropic emission behavior originating from their anisotropic optical transition dipole moments (TDMs). Here, solution-processed colloidal quantum well light-emitting diodes (CQW-LEDs) of a single all-face-down oriented self-assembled monolayer (SAM) film… read more here.
Keywords: colloidal quantum; solution processed; face oriented; solution ... See more keywords
Enhancement of electron mobility in GaAs/AlxGa1-xAs square-parabolic double quantum well HEMT structure
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-018-3727-3
Abstract: We show that the enhancement of electron mobility μ as function of well width w can be achieved in a GaAs/AlxGa1-xAs square-parabolic double quantum well (SPDQW) high electron mobility transistor (HEMT) structure. We consider the… read more here.
Keywords: quantum well; double quantum; electron mobility; quantum ... See more keywords
Analysis of microwave noise in an enhancement-mode dual-quantum-well InAs HEMT
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Computational Electronics"
DOI: 10.1007/s10825-019-01365-9
Abstract: A systematic theoretical study is carried out on the microwave noise performance of an InAs-based dual-quantum-well double-gate high-electron mobility transistor. The proposed dual-quantum-well HEMT shows prominent small-signal analog/radiofrequency (RF) and noise performance. The results for… read more here.
Keywords: quantum well; dual quantum; frequency; noise ... See more keywords
Increasing the internal quantum efficiency of green GaN-based light-emitting diodes by employing graded quantum well and electron blocking layer
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02423-4
Abstract: By numerical investigation of various structures, we have proposed a promising single quantum well device for efficient green InGaN-based light-emitting diodes. The peak internal quantum efficiency of the proposed structure, at lower current density, is… read more here.
Keywords: quantum; electron blocking; blocking layer; light emitting ... See more keywords
Multichannel Filtering Properties of a One Dimensional Photonic Crystal Composed of Semiconductor Photonic Quantum Well Defect
Sign Up to like & getrecommendations! Published in 2018 at "Silicon"
DOI: 10.1007/s12633-018-9830-3
Abstract: Multichannel filtering properties of a one dimensional photonic crystal containing semiconductor photonic quantum well defect were theoretically investigated in the infrared region. We have considered two possible structures of photonic quantum well, symmetric ((AB)P(C1C2)Q(BA)P) and… read more here.
Keywords: multichannel filtering; photonic quantum; well defect; filtering properties ... See more keywords
Controllable diffraction pattern in semiconductor quantum well based on quantum coherence
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Physics"
DOI: 10.1016/j.aop.2018.07.028
Abstract: Abstract In this paper, we study properties of diffraction of a weak probe field interacting with a symmetric semiconductor quantum well that is coherently manipulated by a standing wave. Based on the theory of quantum… read more here.
Keywords: diffraction pattern; quantum; diffraction; semiconductor quantum ... See more keywords
Quantum size and magnesium composition effects on the optical absorption in the MgxZn(1−x)O/ZnO quantum well
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2018.01.010
Abstract: Abstract In this work, we investigated the effects of polarizations and structural parameters on the optical absorption coefficient (OAC) and the intersubband transition between the three lowest energy levels E 1 , E 2 ,… read more here.
Keywords: optical absorption; magnesium composition; mgxzn zno; quantum well ... See more keywords
Optical absorption in a CdS/CdSe/CdS asymmetric quantum well
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2020.137129
Abstract: Abstract We investigate the electronic and optical properties of a confined exciton in CdS/CdSe/CdS asymmetric quantum well taking into account the geometrical confinement in which the right well size for various values of barrier sizes… read more here.
Keywords: absorption; cds cdse; cds asymmetric; asymmetric quantum ... See more keywords
Intrawell and interwell phonon-excitons in a CdS/CdSe/CdS asymmetric quantum well
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2021.138848
Abstract: Abstract Binding energies due to intrawell and interwell excitons are studied in the CdS/CdSe/CdS asymmetric quantum well by varying right well sizes under polaronic effect. The transition energy, transition life time, oscillator strength and absorption… read more here.
Keywords: asymmetric quantum; intrawell interwell; quantum well; cds asymmetric ... See more keywords
Dual wavelength single waveguide laser diode fabricated using selective area quantum well intermixing
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.04.092
Abstract: Abstract A two-section single stripe laser diode has been fabricated from a strained InGaAs/GaAs single quantum well heterostructure grown on GaAs substrate. The two sections have different band gap energies owing to selective area intermixing… read more here.
Keywords: laser; diode fabricated; selective area; laser diode ... See more keywords