Quantum dots interfaced with alkali atoms: filtering, delaying and quantum interfering single photons

H. Vural; S. L. Portalupi; M. Müller; J. Weber; J. Maisch; S. Kern; M. Widmann; R. Löw; J. Wrachtrup; M. Jetter; I. Gerhardt; P. Michler

2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
(Optica Publishing Group, 2017),
paper EA_11_1

Quantum dots interfaced with alkali atoms: filtering, delaying and quantum interfering single photons

H. Vural, S. L. Portalupi, M. Müller, J. Weber, J. Maisch, S. Kern, M. Widmann, R. Löw, J. Wrachtrup, M. Jetter, I. Gerhardt, and P. Michler

European Quantum Electronics Conference 2017

Munich Germany
25–29 June 2017
ISBN: 978-1-5090-6736-7

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Hybrid Quantum Systems (EA_11)

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H. Vural, S. L. Portalupi, M. Müller, J. Weber, J. Maisch, S. Kern, M. Widmann, R. Löw, J. Wrachtrup, M. Jetter, I. Gerhardt, and P. Michler, "Quantum dots interfaced with alkali atoms: filtering, delaying and quantum interfering single photons," in 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference, (Optica Publishing Group, 2017), paper EA_11_1.

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Abstract

Hybrid quantum systems are based on the capability to interface elements from complementary fields: only the best properties from all components are utilized, overcoming the limitation of each field. Semiconductor quantum dots (QDs) are well established as sources of bright, pure and highly indistinguishable on-demand single photons. A crucial limitation is given by the relatively short coherence time. This can be overtaken by interfacing them to alkali atoms, which display a very long coherence time and will benefit from the superior properties of QD-based non-classical light sources [1].

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