Search Results - "Quilter, J. H."
-
1
Phonon-assisted population inversion of a single InGaAs/GaAs quantum dot by pulsed laser excitation
Published in Physical review letters (03-04-2015)“…We demonstrate a new method to realize the population inversion of a single InGaAs/GaAs quantum dot excited by a laser pulse tuned within the neutral exciton…”
Get full text
Journal Article -
2
Polarization bistability and resultant spin rings in semiconductor microcavities
Published in Physical review letters (15-11-2010)“…The transmission of a pump laser resonant with the lower polariton branch of a semiconductor microcavity is shown to be highly dependent on the degree of…”
Get full text
Journal Article -
3
Coherent optical control of the spin of a single hole in an InAs/GaAs quantum dot
Published in Physical review letters (06-01-2012)“…We demonstrate coherent optical control of a single hole spin confined to an InAs/GaAs quantum dot. A superposition of hole-spin states is created by fast…”
Get full text
Journal Article -
4
-
5
Fast preparation of a single-hole spin in an InAs/GaAs quantum dot in a Voigt-geometry magnetic field
Published in Physical review. B, Condensed matter and materials physics (11-04-2012)“…The preparation of a coherent heavy-hole spin via ionization of a spin-polarized electron-hole pair in an InAs/GaAs quantum dot in a Voigt geometry magnetic…”
Get full text
Journal Article -
6
Dynamic vibronic coupling in InGaAs quantum dots
Published 17-05-2016“…The electron-phonon coupling in self-assembled InGaAs quantum dots is relatively weak at low light intensities, which means that the zero-phonon line in…”
Get full text
Journal Article -
7
Ultrafast Depopulation of a Quantum Dot by LA-phonon-assisted Stimulated Emission
Published 18-04-2016“…Phys. Rev. B 93, 161407 (2016) We demonstrate ultrafast incoherent depopulation of a quantum dot from above to below the transparency point using…”
Get full text
Journal Article -
8
Enhanced photocurrent readout for a quantum dot qubit by bias modulation
Published in Applied physics letters (06-05-2013)“…We demonstrate coherent control of a quantum dot exciton using photocurrent detection with a sinusoidal reverse bias. Optical control is performed at low bias,…”
Get full text
Journal Article -
9
Enhanced photocurrent readout for a quantum dot qubit by bias modulation
Published 10-05-2013“…Journal: Applied physics letters Volume: 102 Issue: 18 Page: 181108 year: 2013 We demonstrate coherent control of a quantum dot exciton using photocurrent…”
Get full text
Journal Article -
10
Fast preparation of single hole spin in InAs/GaAs quantum dot in Voigt geometry magnetic field
Published 11-04-2012“…Phys. Rev. B 85 115310 (2012) The preparation of a coherent heavy-hole spin via ionization of a spin-polarized electron-hole pair in an InAs/GaAs quantum dot…”
Get full text
Journal Article -
11
Coherent optical control of the spin of a single hole in a quantum dot
Published 06-01-2012“…Phys. Rev. Lett. 108 017402 (2012) We demonstrate coherent optical control of a single hole spin confined to an InAs/GaAs quantum dot. A superposition of hole…”
Get full text
Journal Article -
12
Polarization bistability and resultant spin rings in semiconductor microcavities
Published 21-07-2010“…The transmission of a pump laser resonant with the lower polariton branch of a semiconductor microcavity is shown to be highly dependent on the degree of…”
Get full text
Journal Article -
13
Fast high-fidelity hole spin initialisation in a single quantum dot at zero magnetic field
Published in 2015 Conference on Lasers and Electro-Optics (CLEO) (01-05-2015)“…Fast (~50 ps) initialization of a long-lived hole spin qubit in a single InGaAs quantum dot is achieved by exciton ionization. A QD exhibiting no fine…”
Get full text
Conference Proceeding -
14
Phonon-assisted population inversion of a single quantum dot
Published in 2015 Conference on Lasers and Electro-Optics (CLEO) (01-05-2015)“…We demonstrate a new method to produce a population inversion in an InGaAs quantum dot by quasi-resonant, incoherent excitation within the LA phonon sideband…”
Get full text
Conference Proceeding -
15
Coherent optical control a single hole spin in a quantum dot
Published in 2012 Conference on Lasers and Electro-Optics (CLEO) (01-05-2012)“…We report coherent optical control of a single hole spin confined to an InAs/GaAs quantum dot. The hole spin was initialized by fast dissociation of a…”
Get full text
Conference Proceeding -
16
Phonon-assisted population inversion of a single quantum dot
Published 02-09-2014“…We demonstrate an approach to realize the population inversion of a single InGaAs/GaAs quantum dot, which is driven by a laser pulse tuned within the neutral…”
Get full text
Journal Article