Phys. Rev. A 78, 013812 (2008) [4 pages]Single-photon transistor using microtoroidal resonatorsReceived 21 March 2008; published 9 July 2008 We present a scheme for single-photon transistors based on the strong interaction of a three-level atom with a microtoroidal resonator, where the presence (absence) of a single “gate” photon is sufficient to block (allow) the propagation of a “signal” photon. Considering its robustness against major experimental errors and high efficiency for coupling single photons into and out of the resonator through a fiber taper, this scheme may be a promising candidate for single-photon transistors. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.78.013812
DOI:
10.1103/PhysRevA.78.013812
PACS:
42.50.Pq, 42.79.Ta, 03.67.−a
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