Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide

Gabija Kirsanské; Henri Thyrrestrup Nielsen; Raphaël Sura Daveau; Chris L Dreessen; Tommaso Pregnolato; Leonardo Midolo; Petru Tighineanu; Alisa Javadi; Søren Stobbe; Arne Ludwig; Rüdiger Schott; Andreas D. Wieck; Suk In Park; J.D. Song; Andreas Kuhlmann; Immo Söllner; Matthias Löbel; R.J. Warburton; Peter Lodahl

doi:10.1103/PhysRevB.96.165306

Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide

Gabija Kirsanské, Henri Thyrrestrup Nielsen, Raphaël Sura Daveau, Chris L Dreessen, Tommaso Pregnolato, Leonardo Midolo, Petru Tighineanu, Alisa Javadi, Søren Stobbe, Arne Ludwig, Rüdiger Schott, Andreas D. Wieck, Suk In Park, J.D. Song, Andreas Kuhlmann, Immo Söllner, Matthias Löbel, R.J. Warburton, Peter Lodahl

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52 Citationer (Scopus)

Abstract

We demonstrate a high-purity source of indistinguishable single photons using a quantum dot embedded in a nanophotonic waveguide. The source features a near-unity internal coupling efficiency and the collected photons are efficiently coupled off chip by implementing a taper that adiabatically couples the photons to an optical fiber. By quasiresonant excitation of the quantum dot, we measure a single-photon purity larger than 99.4% and a photon indistinguishability of up to 94±1% by using p-shell excitation combined with spectral filtering to reduce photon jitter. A temperature-dependent study allows pinpointing the residual decoherence processes, notably the effect of phonon broadening. Strict resonant excitation is implemented as well as another means of suppressing photon jitter, and the additional complexity of suppressing the excitation laser source is addressed. The paper opens a clear pathway towards the long-standing goal of a fully deterministic source of indistinguishable photons, which is integrated on a planar photonic chip.

Originalsprog	Engelsk
Artikelnummer	165306
Tidsskrift	Physical Review B
Vol/bind	96
ISSN	2469-9950
DOI	https://doi.org/10.1103/PhysRevB.96.165306
Status	Udgivet - 19 okt. 2017

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10.1103/PhysRevB.96.165306

PhysRevB.96.165306(1)Forlagets udgivne version, 1,21 MB

http://arxiv.org/pdf/1701.08131Licens: Andet

Citationsformater

Kirsanské, G., Nielsen, H. T., Daveau, R. S., Dreessen, C. L., Pregnolato, T., Midolo, L., Tighineanu, P., Javadi, A., Stobbe, S., Ludwig, A., Schott, R., Wieck, A. D., Park, S. I., Song, J. D., Kuhlmann, A., Söllner, I., Löbel, M., Warburton, R. J., & Lodahl, P. (2017). Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide. Physical Review B, 96, [165306]. https://doi.org/10.1103/PhysRevB.96.165306

Kirsanské, G, Nielsen, HT, Daveau, RS, Dreessen, CL, Pregnolato, T, Midolo, L, Tighineanu, P, Javadi, A, Stobbe, S, Ludwig, A, Schott, R, Wieck, AD, Park, SI, Song, JD, Kuhlmann, A, Söllner, I, Löbel, M, Warburton, RJ & Lodahl, P 2017, 'Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide', Physical Review B, bind 96, 165306. https://doi.org/10.1103/PhysRevB.96.165306

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title = "Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide",

abstract = "We demonstrate a high-purity source of indistinguishable single photons using a quantum dot embedded in a nanophotonic waveguide. The source features a near-unity internal coupling efficiency and the collected photons are efficiently coupled off chip by implementing a taper that adiabatically couples the photons to an optical fiber. By quasiresonant excitation of the quantum dot, we measure a single-photon purity larger than 99.4% and a photon indistinguishability of up to 94±1% by using p-shell excitation combined with spectral filtering to reduce photon jitter. A temperature-dependent study allows pinpointing the residual decoherence processes, notably the effect of phonon broadening. Strict resonant excitation is implemented as well as another means of suppressing photon jitter, and the additional complexity of suppressing the excitation laser source is addressed. The paper opens a clear pathway towards the long-standing goal of a fully deterministic source of indistinguishable photons, which is integrated on a planar photonic chip.",

author = "Gabija Kirsansk{\'e} and Nielsen, {Henri Thyrrestrup} and Daveau, {Rapha{\"e}l Sura} and Dreessen, {Chris L} and Tommaso Pregnolato and Leonardo Midolo and Petru Tighineanu and Alisa Javadi and S{\o}ren Stobbe and Arne Ludwig and R{\"u}diger Schott and Wieck, {Andreas D.} and Park, {Suk In} and J.D. Song and Andreas Kuhlmann and Immo S{\"o}llner and Matthias L{\"o}bel and R.J. Warburton and Peter Lodahl",

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AU - Kirsanské, Gabija

AU - Nielsen, Henri Thyrrestrup

AU - Daveau, Raphaël Sura

AU - Dreessen, Chris L

AU - Pregnolato, Tommaso

AU - Midolo, Leonardo

AU - Tighineanu, Petru

AU - Javadi, Alisa

AU - Stobbe, Søren

AU - Ludwig, Arne

AU - Schott, Rüdiger

AU - Wieck, Andreas D.

AU - Park, Suk In

AU - Song, J.D.

AU - Kuhlmann, Andreas

AU - Söllner, Immo

AU - Löbel, Matthias

AU - Warburton, R.J.

AU - Lodahl, Peter

PY - 2017/10/19

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N2 - We demonstrate a high-purity source of indistinguishable single photons using a quantum dot embedded in a nanophotonic waveguide. The source features a near-unity internal coupling efficiency and the collected photons are efficiently coupled off chip by implementing a taper that adiabatically couples the photons to an optical fiber. By quasiresonant excitation of the quantum dot, we measure a single-photon purity larger than 99.4% and a photon indistinguishability of up to 94±1% by using p-shell excitation combined with spectral filtering to reduce photon jitter. A temperature-dependent study allows pinpointing the residual decoherence processes, notably the effect of phonon broadening. Strict resonant excitation is implemented as well as another means of suppressing photon jitter, and the additional complexity of suppressing the excitation laser source is addressed. The paper opens a clear pathway towards the long-standing goal of a fully deterministic source of indistinguishable photons, which is integrated on a planar photonic chip.

AB - We demonstrate a high-purity source of indistinguishable single photons using a quantum dot embedded in a nanophotonic waveguide. The source features a near-unity internal coupling efficiency and the collected photons are efficiently coupled off chip by implementing a taper that adiabatically couples the photons to an optical fiber. By quasiresonant excitation of the quantum dot, we measure a single-photon purity larger than 99.4% and a photon indistinguishability of up to 94±1% by using p-shell excitation combined with spectral filtering to reduce photon jitter. A temperature-dependent study allows pinpointing the residual decoherence processes, notably the effect of phonon broadening. Strict resonant excitation is implemented as well as another means of suppressing photon jitter, and the additional complexity of suppressing the excitation laser source is addressed. The paper opens a clear pathway towards the long-standing goal of a fully deterministic source of indistinguishable photons, which is integrated on a planar photonic chip.

U2 - 10.1103/PhysRevB.96.165306

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VL - 96

JO - Physical Review B

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M1 - 165306

ER -

Indistinguishable and efficient single photons from a quantum dot in a planar nanobeam waveguide

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