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Thomas Pohl

Symmetry-protected collisions between strongly interacting photons

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Symmetry-protected collisions between strongly interacting photons. / Thompson, Jeff D.; Nicholson, Travis L.; Liang, Qi-Yu; Cantu, Sergio H.; Venkatramani, Aditya V.; Choi, Soonwon; Fedorov, Ilya A.; Viscor, Daniel; Pohl, Thomas; Lukin, Mikhail D.; Vuletia, Vladan.

In: Nature, Vol. 542, No. 7640, 09.02.2017, p. 206-209.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Thompson, JD, Nicholson, TL, Liang, Q-Y, Cantu, SH, Venkatramani, AV, Choi, S, Fedorov, IA, Viscor, D, Pohl, T, Lukin, MD & Vuletia, V 2017, 'Symmetry-protected collisions between strongly interacting photons', Nature, vol. 542, no. 7640, pp. 206-209. https://doi.org/10.1038/nature20823

APA

Thompson, J. D., Nicholson, T. L., Liang, Q-Y., Cantu, S. H., Venkatramani, A. V., Choi, S., Fedorov, I. A., Viscor, D., Pohl, T., Lukin, M. D., & Vuletia, V. (2017). Symmetry-protected collisions between strongly interacting photons. Nature, 542(7640), 206-209. https://doi.org/10.1038/nature20823

CBE

Thompson JD, Nicholson TL, Liang Q-Y, Cantu SH, Venkatramani AV, Choi S, Fedorov IA, Viscor D, Pohl T, Lukin MD, Vuletia V. 2017. Symmetry-protected collisions between strongly interacting photons. Nature. 542(7640):206-209. https://doi.org/10.1038/nature20823

MLA

Vancouver

Thompson JD, Nicholson TL, Liang Q-Y, Cantu SH, Venkatramani AV, Choi S et al. Symmetry-protected collisions between strongly interacting photons. Nature. 2017 Feb 9;542(7640):206-209. https://doi.org/10.1038/nature20823

Author

Thompson, Jeff D. ; Nicholson, Travis L. ; Liang, Qi-Yu ; Cantu, Sergio H. ; Venkatramani, Aditya V. ; Choi, Soonwon ; Fedorov, Ilya A. ; Viscor, Daniel ; Pohl, Thomas ; Lukin, Mikhail D. ; Vuletia, Vladan. / Symmetry-protected collisions between strongly interacting photons. In: Nature. 2017 ; Vol. 542, No. 7640. pp. 206-209.

Bibtex

@article{e5cb3b72074c422ba016e90783d8c5db,
title = "Symmetry-protected collisions between strongly interacting photons",
abstract = "Realizing robust quantum phenomena in strongly interacting systems is one of the central challenges in modern physical science. Approaches ranging from topological protection to quantum error correction are currently being explored across many different experimental platforms, including electrons in condensed-matter systems, trapped atoms and photons. Although photon-photon interactions are typically negligible in conventional optical media, strong interactions between individual photons have recently been engineered in several systems. Here, using coherent coupling between light and Rydberg excitations in an ultracold atomic gas, we demonstrate a controlled and coherent exchange collision between two photons that is accompanied by a I €/2 phase shift. The effect is robust in that the value of the phase shift is determined by the interaction symmetry rather than the precise experimental parameters, and in that it occurs under conditions where photon absorption is minimal. The measured phase shift of 0.48(3)I € is in excellent agreement with a theoretical model. These observations open a route to realizing robust single-photon switches and all-optical quantum logic gates, and to exploring novel quantum many-body phenomena with strongly interacting photons.",
author = "Thompson, {Jeff D.} and Nicholson, {Travis L.} and Qi-Yu Liang and Cantu, {Sergio H.} and Venkatramani, {Aditya V.} and Soonwon Choi and Fedorov, {Ilya A.} and Daniel Viscor and Thomas Pohl and Lukin, {Mikhail D.} and Vladan Vuletia",
year = "2017",
month = feb,
day = "9",
doi = "10.1038/nature20823",
language = "English",
volume = "542",
pages = "206--209",
journal = "Nature",
issn = "0028-0836",
publisher = "Nature Publishing Group",
number = "7640",

}

RIS

TY - JOUR

T1 - Symmetry-protected collisions between strongly interacting photons

AU - Thompson, Jeff D.

AU - Nicholson, Travis L.

AU - Liang, Qi-Yu

AU - Cantu, Sergio H.

AU - Venkatramani, Aditya V.

AU - Choi, Soonwon

AU - Fedorov, Ilya A.

AU - Viscor, Daniel

AU - Pohl, Thomas

AU - Lukin, Mikhail D.

AU - Vuletia, Vladan

PY - 2017/2/9

Y1 - 2017/2/9

N2 - Realizing robust quantum phenomena in strongly interacting systems is one of the central challenges in modern physical science. Approaches ranging from topological protection to quantum error correction are currently being explored across many different experimental platforms, including electrons in condensed-matter systems, trapped atoms and photons. Although photon-photon interactions are typically negligible in conventional optical media, strong interactions between individual photons have recently been engineered in several systems. Here, using coherent coupling between light and Rydberg excitations in an ultracold atomic gas, we demonstrate a controlled and coherent exchange collision between two photons that is accompanied by a I €/2 phase shift. The effect is robust in that the value of the phase shift is determined by the interaction symmetry rather than the precise experimental parameters, and in that it occurs under conditions where photon absorption is minimal. The measured phase shift of 0.48(3)I € is in excellent agreement with a theoretical model. These observations open a route to realizing robust single-photon switches and all-optical quantum logic gates, and to exploring novel quantum many-body phenomena with strongly interacting photons.

AB - Realizing robust quantum phenomena in strongly interacting systems is one of the central challenges in modern physical science. Approaches ranging from topological protection to quantum error correction are currently being explored across many different experimental platforms, including electrons in condensed-matter systems, trapped atoms and photons. Although photon-photon interactions are typically negligible in conventional optical media, strong interactions between individual photons have recently been engineered in several systems. Here, using coherent coupling between light and Rydberg excitations in an ultracold atomic gas, we demonstrate a controlled and coherent exchange collision between two photons that is accompanied by a I €/2 phase shift. The effect is robust in that the value of the phase shift is determined by the interaction symmetry rather than the precise experimental parameters, and in that it occurs under conditions where photon absorption is minimal. The measured phase shift of 0.48(3)I € is in excellent agreement with a theoretical model. These observations open a route to realizing robust single-photon switches and all-optical quantum logic gates, and to exploring novel quantum many-body phenomena with strongly interacting photons.

UR - http://www.scopus.com/inward/record.url?scp=85012299317&partnerID=8YFLogxK

U2 - 10.1038/nature20823

DO - 10.1038/nature20823

M3 - Journal article

C2 - 28117443

AN - SCOPUS:85012299317

VL - 542

SP - 206

EP - 209

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7640

ER -