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High Purcell factor generation of indistinguishable on-chip single photons

Autor: John F. O'Hara, M. S. Skolnick, A. Mark Fox, Edmund Clarke, N. Prtljaga, C. Bentham, I. E. Itskevich, Catherine L. Phillips, Feng Liu, R. J. Coles, Alistair J. Brash, Luke R. Wilson, B. Royall, L.M.P.P. Martins

Publikováno v: Nature Nanotechnology. 13:835-840

On-chip single-photon sources are key components for integrated photonic quantum technologies. Semiconductor quantum dots can exhibit near-ideal single-photon emission, but this can be significantly degraded in on-chip geometries owing to nearby etch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfee55898cbeda52d427460e484f30b1
https://doi.org/10.1038/s41565-018-0188-x

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Nonreciprocal transmission and reflection of a chirally coupled quantum dot

Autor: B. Royall, Pieter Kok, Edmund Clarke, David L. Hurst, M. N. Makhonin, Luke R. Wilson, D. M. Price, C. Bentham, M. S. Skolnick, A. M. Fox

We report strongly non-reciprocal behaviour for quantum dot exciton spins coupled to nano-photonic waveguides under resonant laser excitation. A clear dependence of the transmission spectrum on the propagation direction is found for a chirally-couple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f721d1407882bc388af870e6a406c647
https://eprints.whiterose.ac.uk/134312/1/paper.pdf

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Electro-mechanical control of an on-chip optical beam splitter containing an embedded quantum emitter

Autor: Z. K. Bishop, C. Bentham, A. P. Foster, M. S. Skolnick, Edmund Clarke, Luke R. Wilson, B. Royall

We demonstrate electro-mechanical control of an on-chip GaAs optical beam splitter containing a quantum dot single-photon source. The beam splitter consists of two nanobeam waveguides, which form a directional coupler (DC). The splitting ratio of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5c468f5987cf87a1ce722bb26b1a201
https://eprints.whiterose.ac.uk/130360/1/emofdc-opticsletters-revision_submitted2018-03-26.pdf

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On-chip electro-mechanical routing of single photons from an embedded quantum emitter

Autor: Z. K. Bishop, C. Bentham, Edmund Clarke, A. P. Foster, Luke R. Wilson, M. S. Skolnick, B. Royall

Publikováno v: Conference on Lasers and Electro-Optics.

We demonstrate on-chip routing of single photons using a III-V semiconductor-based electro-mechanical system with embedded quantum dots. Switching is achieved by electro-mechanical actuation of an integrated directional coupler.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0f150808e8c13d50fa5ca396ddac475
https://doi.org/10.1364/cleo_at.2018.jth2a.27

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Monte Carlo study of the ordering in a strongly frustrated liquid crystal

Autor: Xiangbing Zeng, S.P. George, Gillian A. Gehring, Goran Ungar, C. Bentham

Publikováno v: Physical review. E. 95(6-1)

We have performed Monte Carlo simulations to investigate the temperature dependence of the ordering of the side chains of the X-shape liquid crystal molecules which are arranged in a hexagonal array. Each hexagon contains six side chains, one from ea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f24c35b6470e577a0978bed8420ad6c
https://pubmed.ncbi.nlm.nih.gov/28709257

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Bright and Coherent On-Chip Single Photons from a Very High Purcell Factor Photonic Crystal Cavity

Autor: Luke R. Wilson, Alistair J. Brash, Feng Liu, M. S. Skolnick, L.M.P.P. Martins, R. J. Coles, B. Royall, A. M. Fox, Catherine L. Phillips, I. E. Itskevich, C. Bentham, John F. O'Hara

Publikováno v: Conference on Lasers and Electro-Optics.

Using a novel two-pulse resonance fluorescence technique we demonstrate a Purcell factor of ∼35 in a cavity quantum dot system. Highly coherent single photons are efficiently emitted into a waveguide, forming a near-ideal source for integrated quan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baaf562a4783579ec11281bce9ac1c7f
https://doi.org/10.1364/cleo_qels.2017.ftu4e.5

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On-chip electrically controlled routing of photons from a single quantum dot

Autor: N. Prtljaga, Luke R. Wilson, Edmund Clarke, M. S. Skolnick, John F. O'Hara, A. M. Fox, B. Royall, C. Bentham, R. J. Coles, I. E. Itskevich

Electrical control of on-chip routing of photons emitted by a single InAs/GaAs self-assembled quantum dot (SAQD) is demonstrated in a photonic crystal cavity-waveguide system. The SAQD is located inside an H1 cavity, which is coupled to two photonic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f264f5ccf5739a3778d4200b3d06c82f

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Akademický článek

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The mechanism of flocculation of a Saccharomyces cerevisiae cell homogenate using polyethyleneimine

Autor: Peter Dunnill, J. Gregory, David E. Salt, A. Idris, Mike Hoare, S. Hay, A. C. Bentham

Publikováno v: Bioprocess Engineering. 15:71-76

The effects of polyethyleneimine, electrolyte concentration and pH on the electrophoretic mobility values for whole yeast, yeast homogenate and borax clarified homogenate were observed. The polyethyleneimine concentration at which there is optimum cl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efb193fde76f34b9f8901586e8cf5551
https://doi.org/10.1007/bf00372980

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