High-frequency acousto-electric single-photon source

Foden, C. L., Talyanskii, V. I., Milburn, G. J., Leadbeater, M. L. and Pepper, M. (2000) High-frequency acousto-electric single-photon source. Physical Review A, 62 011803: 011803-1-011803-4. doi:10.1103/PhysRevA.62.011803

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Author Foden, C. L.
Talyanskii, V. I.
Milburn, G. J.
Leadbeater, M. L.
Pepper, M.
Title High-frequency acousto-electric single-photon source
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2000-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.62.011803
Open Access Status File (Publisher version)
Volume 62
Issue 011803
Start page 011803-1
End page 011803-4
Total pages 4
Place of publication College Park, US
Publisher American Physical Soc
Language eng
Subject C1
240300 Atomic and Molecular Physics; Nuclear and Particle Physics; Plasma Physics
780102 Physical sciences
Abstract We propose a single optical photon source for quantum cryptography based on the acoustoelectric effect. Surface acoustic waves (SAWs) propagating through a quasi-one-dimensional channel have been shown to produce packets of electrons that reside in the SAW minima and travel at the velocity of sound. In our scheme, the electron packets are injected into a p-type region, resulting in photon emission. Since the number of electrons in each packet can be controlled down to a single electron, a stream of single- (or N-) photon states, with a creation time strongly correlated with the driving acoustic field, should be generated.
Keyword Optics
Physics, Atomic, Molecular & Chemical
One-dimensional Channel
Turnstile Device
Quantized Current
Quantum-dot
Transport
Waves
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Physical Sciences Publications
 
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Created: Mon, 13 Aug 2007, 21:50:42 EST