semiconductor single quantum well
Photon statistics excitation spectroscopy of a single two level system
... on single TLSs has not been experimentally explored, neither in atomic nor in solid state ...of single semiconductor quantum dots in the so far unexplored regime of resonant driv- ing with ...
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Properties of Buried Heterostructure Single Quantum Well (Al,Ga)As Lasers
... Abstract Unlike conventional semiconductor lasers, single quantum well SQW lasers with high reflectivity end facet coatings have dramatically reduced threshold currents as a result of th[r] ...
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Stimulated Emission in AlxGa1-xAs -GaAs Single and Multiple Quantum Well Heterostructure.
... extrinsic semiconductor properties and is shown to be particularly suitable for the centres responsible for the shallow donor and acceptor species by which the electrical properties are usually ...
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Reversed Effects of Quantum Well Numbers and Temperature on Optical Power and Wavelength of a Designed Ultraviolet Semiconductor Laser Based on GaN/InGaN
... a single quantum well laser (SQW) to observe the effects of quantum well number increment and temperature variation on the performance of this ...of quantum wells to obtain the ...
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An Exactly Solvable Algebraic Model for Single Quantum Well Treatments
... of semiconductor nanostructures. At this scale, it is well known that electronic properties are dominated by quantum effects, until at some points these effects become essential for device ...like ...
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Direct Photonic Coupling of a Semiconductor Quantum Dot and a Trapped Ion
... as well as electric and magnetic field tuning of the optical tran- sitions ...from single QDs is achieved using a confocal microscope with a 90∶10 beam splitter ...
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A THEORETICAL STUDY OF MUTUAL COUPLING OF TWO SEMICONDUCTOR QUANTUM DOTS AND EVALUATION OF ITS PARAMETER
... are semiconductor nanocrystals embedded in another semiconductor which presents a wide energy band gap between its valance and conduction ...potential well that confine the carriers (electrons and ...
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Investigation of narrow band semiconductor quantum well structures using a synchronously pumped optical parametric oscillator
... At 40K, the system is likely to be in a mixed-carrier state in which there are significant populations of both excitons and un-bound electrons which compli- cates the relaxation behaviour . The author does not feel that ...
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Interference with a quantum dot single-photon source and a laser at telecom wavelength
... of single photons emitted by a semiconductor QD at the center of the telecom O-band with photons gener- ated by a ...compares well with raw-data visibilities achieved in other two-photon interference ...
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Optical Gain and Confinement in Gaas/Algaas Structure Quantum Well Lasers
... In addition to the various electronic confinement and optical confinement properties, a conventional laser diode has an active region which plays a role as dielectric guide to electromagnetic waves that may be amplified ...
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A THEORETICAL EVALUATION OF EIGENVALUES AS A FUNCTION OF APPLIED BIAS VOLTAGE OF TWO QDS WHEN THEY ARE TUNED INTO EXACT RESONANCE WITH ONE ANOTHER
... small semiconductor structures usually ranging from 2-10 nm (10- 50 atoms) in ...giving quantum dots unprecedented tenability. These dots are semiconductor nanocrystals embedded in another ...
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Graphene Semiconductor Quantum Well with Asymmetric Energy Gaps
... of quantum well based on graphene and narrow semiconductors with two different energy ...gaps. Single atom layer graphene possesses unique electric ...
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Implication of Quantum Chemical Methods in Future Storage Devices-Molecular Quantum Dot Cellular Automata
... For understanding the working mechanism of a QCA, each quantum level of the electron must be studied. According to De-Brolgie concept, both light and matter show wave-like and particle like characteristics. When ...
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One-dimensional rarefactive solitons in electron-hole semiconductor plasmas
... in semiconductor quantum plasmas consisting of electrons and ...holes, quantum tunneling, quantum statistic, and exchange-correlation due to electron ...
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Coulomb blockade directional coupler
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single ...
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Quantum transport in semiconductor-superconductor microjunctions
... Fig l S Conductance of a fork junction äs a function of magnetic field, showmg the dependence on the phase difference φ of the superconductor at two tunnel barners The circles are meas[r] ...
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Resonance fluorescence from a telecom-wavelength quantum dot
... of quantum dot spins with telecom wavelength photons particularly de- ...best single-photon sources in terms of demonstrated indistinguishability, pu- rity, on-demand operation and brightness, are based on ...
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Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systems
... is well-known in other materi- als [63, 64] and can be modelled in the framework of hop- ping of bound excitons in a tail of localised states inherent to (GaIn)(NAs) [62, 65] by employing the kinetic Monte Carlo ...
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Elimination of Bimodal Size in InAs/GaAs Quantum Dots for Preparation of 1 3 μm Quantum Dot Lasers
... InAs/GaAs heterostructures grown by molecular beam epitaxy (MBE) have been paid much attention in order to fabricate low dimensional nanostructures, such as self-assembled QDs due to large lattice (~ 7%) mismatch between ...
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Nuclear spin switch in semiconductor quantum dots
... We thank R. Oulton, A. Imamoglu, C. Marcus, D. Loss, and S. Tarucha for discussions. This work has been supported by the Sheffield EPSRC Programme grant GR/S76076, the Lancaster-EPSRC Portfolio Partnership EP/C511743, ...
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