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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 6 — Mar. 15, 2006
  • pp: 793–795

Efficient and stable single-photon counting at 1.55 μ m by intracavity frequency upconversion

Haifeng Pan and Heping Zeng  »View Author Affiliations


Optics Letters, Vol. 31, Issue 6, pp. 793-795 (2006)
http://dx.doi.org/10.1364/OL.31.000793


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Abstract

A single-photon signal at 1.55 μ m was converted to the visible region by sum-frequency mixing with a strong pumping beam at 1064 nm in a periodically poled lithium niobate crystal placed in a diode-pumped Nd : Y V O 4 laser cavity. As the intracavity pump laser could be automatically stabilized without cavity lock, robust long-term stability was demonstrated for single-photon frequency upconversion, with a conversion efficiency of 74.3%. Such a stable single-photon upconversion was demonstrated to be efficient and robust for single-photon counting at 1550 nm , and the corresponding background noise was measured at less than 420 × 10 3 s 1 .

© 2006 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(270.0270) Quantum optics : Quantum optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: October 4, 2005
Revised Manuscript: November 7, 2005
Manuscript Accepted: November 24, 2005

Citation
Haifeng Pan and Heping Zeng, "Efficient and stable single-photon counting at 1.55 μm by intracavity frequency upconversion," Opt. Lett. 31, 793-795 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-793

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