320 citations · 4.5k across the 79 of their papers we have counts for
12 papers · 1 filter
Very large magnetoresistance in lateral ferromagnetic (Ga,Mn)As wires with nanoconstrictions
C. Ruester, T. Borzenko, C. Gould +7
We have fabricated (Ga,Mn)As nanostructures in which domain walls can be pinned by sub-10 nm constrictions. Controlled by shape anisotropy, we can switch the regions on either side…
Circularly polarized electroluminescence in spin-LED structures
Z. G. Yu, W. H. Lau, M. E. Flatte'
We calculate circularly polarized luminescence emitted parallel (vertical emission) and perpendicular (edge emission) to the growth direction from a quantum well in a spin light-em…
Non-magnetic semiconductor spin transistor
K. C. Hall, Wayne H. Lau, K. Gundogdu +2
We propose a spin transistor using only non-magnetic materials that exploits the characteristics of bulk inversion asymmetry (BIA) in (110) symmetric quantum wells. We show that ex…
Anisotropic splitting of intersubband spin plasmons in quantum wells with bulk and structural inversion asymmetry
C. A. Ullrich, M. E. Flatte
In semiconductor heterostructures, bulk and structural inversion asymmetry and spin-orbit coupling induce a k-dependent spin splitting of valence and conduction subbands, which can…
Measuring the entanglement of coupled spins by multiphoton interference
Michael N. Leuenberger, Michael E. Flatte, D. D. Awschalom
We propose an experimental method to measure the entanglement of coupled spins, each in a separate quantum dot, by means of multiphoton interference patterns generated through the…
Nuclear Spin Dynamics in Parabolic Quantum Wells
I. Tifrea, Michael E. Flatte
We present a detailed analytical and numerical analysis of the nuclear spin dynamics in parabolic quantum wells. The shallow potential of parabolic quantum wells permits substantia…
High temperature gate control of quantum well spin memory
O. Z. Karimov, G. H. John, R. T. Harley +4
Time-resolved optical measurements in (110)-oriented GaAs/AlGaAs quantum wells show a ten-fold increase of the spin-relaxation rate as a function of applied electric field from 20…
Accuracy of circular polarization as a measure of spin polarization in quantum dot qubits
C. E. Pryor, M. E. Flatté
A quantum dot spin LED provides a test of carrier spin injection into a qubit, as well as a means of analyzing carrier spin injection in general and local spin polarization. The po…
Multiband tight-binding model of local magnetism in GaMnAs
Jian-Ming Tang, Michael E. Flatte'
We present the spin and orbitally resolved local density of states (LDOS) for a single Mn impurity and for two nearby Mn impurities in GaAs. The GaAs host is described by a sp^3 ti…
Effects of impurity scattering on electron-phonon resonances in semiconductor superlattice high-field transport
Shaoxin Feng, Christoph H. Grein, Michael E. Flatte
A non-equilibrium Green's function method is applied to model high-field quantum transport and electron-phonon resonances in semiconductor superlattices. The field-dependent densit…
Discrete Fourier Transform in Nanostructures using Scattering
Michael N. Leuenberger, Daniel Loss, Michael E. Flatte +1
In this paper we show that the discrete Fourier transform can be performed by scattering a coherent particle or laser beam off a two-dimensional potential that has the shape of rin…
Spin relaxation in (110) and (001) InAs/GaSb superlattices
K. C. Hall, K. Gundogdu, E. Altunkaya +6
We report an enhancement of the electron spin relaxation time (T1) in a (110) InAs/GaSb superlattice by more than an order of magnitude (25 times) relative to the corresponding (00…