Controllable Delay and Polarization Routing of Single Photons

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Julian Maisch
  • Hüseyin Vural
  • Michael Jetter
  • Peter Michler
  • Ilja Gerhardt
  • Simone Luca Portalupi

External Research Organisations

  • University of Stuttgart
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Details

Original languageEnglish
Article number1900057
Pages (from-to)1900057
Number of pages1
JournalAdvanced Quantum Technologies
Volume3
Issue number2
Publication statusPublished - 13 Feb 2020
Externally publishedYes

Abstract

Full control of single photons is important in quantum information and quantum networking. In particular, controlling the photon–atom interaction can be an appealing means to realize more complex quantum experiments. As a matter of example, the storage of photons into atomic media represents one key approach to memory‐assisted quantum communication and computing. Here it is shown that the propagation of single photons from a semiconductor quantum dot can be deliberately controlled by an atomic vapor under the application of an external magnetic field. The present results enable the use of an atomic vapor as a precise and reliable wavelength selective delay and allows for routing the single photons according to their polarization and the external magnetic field. With an overall delay of 25 ns, it is possible to fine‐tune the arrival time of the photons by more than 600 ps which matches the scale of the quantum dot's lifetime. The experimental data are fully reproduced by a theoretical model.

Keywords

    Quantum dots, Aomic vapor, Cesium, Single photons, Quantum information processing, Quantum optics, Slow light, Group velocity, quantum dots, hybrid quantum systems, hot atomic vapor

ASJC Scopus subject areas

Cite this

Controllable Delay and Polarization Routing of Single Photons. / Maisch, Julian; Vural, Hüseyin; Jetter, Michael et al.
In: Advanced Quantum Technologies, Vol. 3, No. 2, 1900057, 13.02.2020, p. 1900057.

Research output: Contribution to journalArticleResearchpeer review

Maisch, J, Vural, H, Jetter, M, Michler, P, Gerhardt, I & Portalupi, SL 2020, 'Controllable Delay and Polarization Routing of Single Photons', Advanced Quantum Technologies, vol. 3, no. 2, 1900057, pp. 1900057. https://doi.org/10.1002/qute.201900057
Maisch, J., Vural, H., Jetter, M., Michler, P., Gerhardt, I., & Portalupi, S. L. (2020). Controllable Delay and Polarization Routing of Single Photons. Advanced Quantum Technologies, 3(2), 1900057. Article 1900057. https://doi.org/10.1002/qute.201900057
Maisch J, Vural H, Jetter M, Michler P, Gerhardt I, Portalupi SL. Controllable Delay and Polarization Routing of Single Photons. Advanced Quantum Technologies. 2020 Feb 13;3(2):1900057. 1900057. doi: 10.1002/qute.201900057
Maisch, Julian ; Vural, Hüseyin ; Jetter, Michael et al. / Controllable Delay and Polarization Routing of Single Photons. In: Advanced Quantum Technologies. 2020 ; Vol. 3, No. 2. pp. 1900057.
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AU - Gerhardt, Ilja

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