All-Optical Switch and Transistor Gated by One Stored Photon

被引:286
|
作者
Chen, Wenlan [1 ,2 ]
Beck, Kristin M. [1 ,2 ]
Buecker, Robert [1 ,2 ,3 ]
Gullans, Michael [4 ]
Lukin, Mikhail D. [4 ]
Tanji-Suzuki, Haruka [1 ,2 ,4 ,5 ]
Vuletic, Vladan [1 ,2 ]
机构
[1] MIT, Dept Phys, Cambridge, MA 02139 USA
[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA
[3] Vienna Univ Technol, Atominst, Vienna Ctr Quantum Sci & Technol, A-1020 Vienna, Austria
[4] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[5] Univ Tokyo, Sch Engn, Photon Sci Ctr, Bunkyo Ku, Tokyo 1138656, Japan
基金
奥地利科学基金会; 美国国家科学基金会;
关键词
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; PHASE-SHIFTS; QUANTUM-DOT; CAVITY; ATOM; LIGHT; STORAGE;
D O I
10.1126/science.1238169
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The realization of an all-optical transistor, in which one "gate" photon controls a "source" light beam, is a long-standing goal in optics. By stopping a light pulse in an atomic ensemble contained inside an optical resonator, we realized a device in which one stored gate photon controls the resonator transmission of subsequently applied source photons. A weak gate pulse induces bimodal transmission distribution, corresponding to zero and one gate photons. One stored gate photon produces fivefold source attenuation and can be retrieved from the atomic ensemble after switching more than one source photon. Without retrieval, one stored gate photon can switch several hundred source photons. With improved storage and retrieval efficiency, our work may enable various new applications, including photonic quantum gates and deterministic multiphoton entanglement.
引用
收藏
页码:768 / 770
页数:3
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