A quantum device interfacing photons and spins for quantum repeaters

H. Kosaka, T. Kutsuwa, K. Arai, Y. Rikitake, K. Ono, H. Imamura, T. Takagahara, Y. Mitsumori, K. Edamatsu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present experimental and theoretical approach for building a quantum repeater. Device structure for quantum state transfer from a photon to an electron spin was designed, fabricated and evaluated. Light-hole exciton excitation in GaAs/AlGaAs-quantum well with near-zero electron g-factor showed "negative polarization", which indicates polarization transfer from a photon to an electron spin. We have also observed dynamic nuclear polarization implying polarization transfer from a photon to a nuclear spin intermediated by an electron spin.

Original languageEnglish
Title of host publicationPhysics of Semiconductors - 28th International Conference on the Physics of Semiconductors, ICPS 2006, Part A and B
Pages1099-1100
Number of pages2
DOIs
Publication statusPublished - 2007 Dec 1
Externally publishedYes
Event28th International Conference on the Physics of Semiconductors, ICPS 2006 - Vienna, Austria
Duration: 2006 Jul 242006 Jul 28

Publication series

NameAIP Conference Proceedings
Volume893
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other28th International Conference on the Physics of Semiconductors, ICPS 2006
CountryAustria
CityVienna
Period06/7/2406/7/28

Keywords

  • Electron spin
  • Nuclear spin
  • Quantum information
  • Single photon

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Kosaka, H., Kutsuwa, T., Arai, K., Rikitake, Y., Ono, K., Imamura, H., Takagahara, T., Mitsumori, Y., & Edamatsu, K. (2007). A quantum device interfacing photons and spins for quantum repeaters. In Physics of Semiconductors - 28th International Conference on the Physics of Semiconductors, ICPS 2006, Part A and B (pp. 1099-1100). (AIP Conference Proceedings; Vol. 893). https://doi.org/10.1063/1.2730280