A nuclear quantum memory enabled by strain

E. Denning, D. Gangloff, G. Ethier-Majcher, C. Lang, J. H. Bodey, D. M. Jackson, J. Mørk, C. Le Gall, M. Atature

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Coherent excitation of an ensemble of quantum objects offers the opportunity to realise robust entanglement generation and information storage in a quantum memory [1]. Thus far, interfacing with such a collective excitation deterministically has remained elusive owing to the difficulty of controlling a probe spin in the midst of a complex many-body system. In the strained atomic lattice of a semiconductor quantum dot, nuclear quadrupole effects generate an electron-nuclear interaction that can be engineered by driving the electron spin (Fig. 1a). By implementing an all-optical approach to access the individual quantised electronic-nuclear spin transitions, we have experimentally demonstrated coherent optical rotations of a single collective nuclear spin excitation corresponding to a spin wave called a nuclear magnon [2] (Fig. 1b).

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Number of pages1
PublisherIEEE
Publication date1 Jun 2019
Article number8872964
ISBN (Electronic)9781728104690
DOIs
Publication statusPublished - 1 Jun 2019
Event2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference - ICM Centre of the Munich Trade Fair Centre., Munich, Germany
Duration: 23 Jun 201927 Jun 2019
http://www.cleoeurope.org/

Conference

Conference2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference
LocationICM Centre of the Munich Trade Fair Centre.
CountryGermany
CityMunich
Period23/06/201927/06/2019
SponsorEPS Young Minds, The European Physical Society
Internet address

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