All-Optical Switch and Transistor Gated by One Stored Photon
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- 16 August 2013
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 341 (6147), 768-770
- https://doi.org/10.1126/science.1238169
Abstract
A Single-Photon Gate: A long-standing goal in optics is to produce an all-optical transistor, in which the transmission of a light beam can be controlled by a single photon. Using a system in which a cloud of cesium atoms is coupled to an optical cavity, Chen et al. (p. 768 , published online 4 July; see the Perspective by Volz and Rauschenbeutel ) were able to control transmission through the optical cavity by exciting the atomic ensemble using a “gate” laser pulse. Just one gate photon stored was sufficient to detune the system and switch the transmission of source photons through the cavity.Keywords
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