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Proceedings Paper

Quantum manipulation of infrared single photons for efficient detection and quantum interface by means of intracavity frequency upconversion
Author(s): Huafang Dong; Haifeng Pan; Heping Zeng; Wei Lu
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Paper Abstract

A unidirectional intracavity pump scheme was demonstrated efficient for tunable quantum information interface capable of transferring quantum bits between photons of different wavelengths. By means of sum frequency generation in a periodically poled lithium niobate crystal placed inside a diode-pumped Nd:GdVO4 laser cavity, single photons at telecom wavelength were upconverted into replicas around 630 nm with preserved quantum features, which could be easily tuned by adjusting the intracavity pump wavelength.

Paper Details

Date Published: 14 May 2007
PDF: 8 pages
Proc. SPIE 6542, Infrared Technology and Applications XXXIII, 65420N (14 May 2007); doi: 10.1117/12.716434
Show Author Affiliations
Huafang Dong, East China Normal Univ. (China)
Haifeng Pan, East China Normal Univ. (China)
Heping Zeng, East China Normal Univ. (China)
Wei Lu, Shanghai Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 6542:
Infrared Technology and Applications XXXIII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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