Mapping the strong interaction between Rydberg atoms onto single photons via electromagnetically induced transparency enables manipulation of light at the single-photon level and few-photon devices such as all-optical switches and transistors operated by individual photons. Here we demonstrate experimentally that Stark-tuned Förster resonances can substantially increase this effective interaction between individual photons. This technique boosts the gain of a single-photon transistor to over 100, enhances the non-destructive detection of single Rydberg atoms to a fidelity beyond 0.8, and enables high-precision spectroscopy on Rydberg pair states. On top, we achieve a gain larger than 2 with gate photon read-out after the transistor operation. Theory models for Rydberg polariton propagation on Förster resonance and for the projection of the stored spin-wave yield excellent agreement to our data and successfully identify the main decoherence mechanism of the Rydberg transistor, paving the way towards photonic quantum gates.
%0 Journal Article
%1 gorniaczyk2016enhancement
%A Gorniaczyk, H.
%A Tresp, C.
%A Bienias, P.
%A Paris-Mandoki, A.
%A Li, W.
%A Mirgorodskiy, I.
%A Büchler, Hans Peter
%A Lesanovsky, I.
%A Hofferberth, S.
%D 2016
%J Nature Communications
%K itp3test
%P 12480
%T Enhancement of Rydberg-mediated single-photon nonlinearities by electrically tuned Förster resonances
%U https://doi.org/10.1038/ncomms12480
%V 7
%X Mapping the strong interaction between Rydberg atoms onto single photons via electromagnetically induced transparency enables manipulation of light at the single-photon level and few-photon devices such as all-optical switches and transistors operated by individual photons. Here we demonstrate experimentally that Stark-tuned Förster resonances can substantially increase this effective interaction between individual photons. This technique boosts the gain of a single-photon transistor to over 100, enhances the non-destructive detection of single Rydberg atoms to a fidelity beyond 0.8, and enables high-precision spectroscopy on Rydberg pair states. On top, we achieve a gain larger than 2 with gate photon read-out after the transistor operation. Theory models for Rydberg polariton propagation on Förster resonance and for the projection of the stored spin-wave yield excellent agreement to our data and successfully identify the main decoherence mechanism of the Rydberg transistor, paving the way towards photonic quantum gates.
@article{gorniaczyk2016enhancement,
abstract = {Mapping the strong interaction between Rydberg atoms onto single photons via electromagnetically induced transparency enables manipulation of light at the single-photon level and few-photon devices such as all-optical switches and transistors operated by individual photons. Here we demonstrate experimentally that Stark-tuned Förster resonances can substantially increase this effective interaction between individual photons. This technique boosts the gain of a single-photon transistor to over 100, enhances the non-destructive detection of single Rydberg atoms to a fidelity beyond 0.8, and enables high-precision spectroscopy on Rydberg pair states. On top, we achieve a gain larger than 2 with gate photon read-out after the transistor operation. Theory models for Rydberg polariton propagation on Förster resonance and for the projection of the stored spin-wave yield excellent agreement to our data and successfully identify the main decoherence mechanism of the Rydberg transistor, paving the way towards photonic quantum gates.},
added-at = {2018-12-07T08:22:53.000+0100},
author = {Gorniaczyk, H. and Tresp, C. and Bienias, P. and Paris-Mandoki, A. and Li, W. and Mirgorodskiy, I. and Büchler, Hans Peter and Lesanovsky, I. and Hofferberth, S.},
biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2477cdf4ce82d411da887f1b58a500ce4/lukajibuti},
interhash = {b5d14b148e0defe4430efa96b3a2e15e},
intrahash = {477cdf4ce82d411da887f1b58a500ce4},
journal = {Nature Communications},
keywords = {itp3test},
month = {August},
pages = 12480,
timestamp = {2018-12-07T07:22:53.000+0100},
title = {Enhancement of Rydberg-mediated single-photon nonlinearities by electrically tuned Förster resonances},
url = {https://doi.org/10.1038/ncomms12480},
volume = 7,
year = 2016
}