Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide

M. K. Bhaskar; D. D. Sukachev; A. Sipahigil; R. E. Evans; M. J. Burek; C. T. Nguyen; L. J. Rogers; P. Siyushev; M. H. Metsch; H. Park; F. Jelezko; M. Lončar; M. D. Lukin

doi:10.1103/PhysRevLett.118.223603

Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide

M. K. Bhaskar, D. D. Sukachev, A. Sipahigil, R. E. Evans, M. J. Burek, C. T. Nguyen, L. J. Rogers, P. Siyushev, M. H. Metsch, H. Park, F. Jelezko, M. Lončar, M. D. Lukin

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251 Citations (Scopus)

Abstract

We demonstrate a quantum nanophotonics platform based on germanium-vacancy (GeV) color centers in fiber-coupled diamond nanophotonic waveguides. We show that GeV optical transitions have a high quantum efficiency and are nearly lifetime broadened in such nanophotonic structures. These properties yield an efficient interface between waveguide photons and a single GeV center without the use of a cavity or slow-light waveguide. As a result, a single GeV center reduces waveguide transmission by 18±1% on resonance in a single pass. We use a nanophotonic interferometer to perform homodyne detection of GeV resonance fluorescence. By probing the photon statistics of the output field, we demonstrate that the GeV-waveguide system is nonlinear at the single-photon level.

Original language	English
Article number	223603
Number of pages	6
Journal	Physical Review Letters
Volume	118
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.118.223603
Publication status	Published - 2017
Externally published	Yes

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Bhaskar, M. K., Sukachev, D. D., Sipahigil, A., Evans, R. E., Burek, M. J., Nguyen, C. T., Rogers, L. J., Siyushev, P., Metsch, M. H., Park, H., Jelezko, F., Lončar, M., & Lukin, M. D. (2017). Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide. Physical Review Letters, 118(22), Article 223603. https://doi.org/10.1103/PhysRevLett.118.223603

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title = "Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide",

abstract = "We demonstrate a quantum nanophotonics platform based on germanium-vacancy (GeV) color centers in fiber-coupled diamond nanophotonic waveguides. We show that GeV optical transitions have a high quantum efficiency and are nearly lifetime broadened in such nanophotonic structures. These properties yield an efficient interface between waveguide photons and a single GeV center without the use of a cavity or slow-light waveguide. As a result, a single GeV center reduces waveguide transmission by 18±1% on resonance in a single pass. We use a nanophotonic interferometer to perform homodyne detection of GeV resonance fluorescence. By probing the photon statistics of the output field, we demonstrate that the GeV-waveguide system is nonlinear at the single-photon level.",

author = "Bhaskar, {M. K.} and Sukachev, {D. D.} and A. Sipahigil and Evans, {R. E.} and Burek, {M. J.} and Nguyen, {C. T.} and Rogers, {L. J.} and P. Siyushev and Metsch, {M. H.} and H. Park and F. Jelezko and M. Lon{\v c}ar and Lukin, {M. D.}",

year = "2017",

doi = "10.1103/PhysRevLett.118.223603",

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T1 - Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide

AU - Bhaskar, M. K.

AU - Sukachev, D. D.

AU - Sipahigil, A.

AU - Evans, R. E.

AU - Burek, M. J.

AU - Nguyen, C. T.

AU - Rogers, L. J.

AU - Siyushev, P.

AU - Metsch, M. H.

AU - Park, H.

AU - Jelezko, F.

AU - Lončar, M.

AU - Lukin, M. D.

PY - 2017

Y1 - 2017

N2 - We demonstrate a quantum nanophotonics platform based on germanium-vacancy (GeV) color centers in fiber-coupled diamond nanophotonic waveguides. We show that GeV optical transitions have a high quantum efficiency and are nearly lifetime broadened in such nanophotonic structures. These properties yield an efficient interface between waveguide photons and a single GeV center without the use of a cavity or slow-light waveguide. As a result, a single GeV center reduces waveguide transmission by 18±1% on resonance in a single pass. We use a nanophotonic interferometer to perform homodyne detection of GeV resonance fluorescence. By probing the photon statistics of the output field, we demonstrate that the GeV-waveguide system is nonlinear at the single-photon level.

AB - We demonstrate a quantum nanophotonics platform based on germanium-vacancy (GeV) color centers in fiber-coupled diamond nanophotonic waveguides. We show that GeV optical transitions have a high quantum efficiency and are nearly lifetime broadened in such nanophotonic structures. These properties yield an efficient interface between waveguide photons and a single GeV center without the use of a cavity or slow-light waveguide. As a result, a single GeV center reduces waveguide transmission by 18±1% on resonance in a single pass. We use a nanophotonic interferometer to perform homodyne detection of GeV resonance fluorescence. By probing the photon statistics of the output field, we demonstrate that the GeV-waveguide system is nonlinear at the single-photon level.

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VL - 118

JO - Physical Review Letters

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Quantum nonlinear optics with a germanium-vacancy color center in a nanoscale diamond waveguide

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