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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 23 — Dec. 1, 2013
  • pp: 4985–4987

Upconversion detection near 2  μm at the single photon level

Guo-Liang Shentu, Xiu-Xiu Xia, Qi-Chao Sun, Jason S. Pelc, M. M. Fejer, Qiang Zhang, and Jian-Wei Pan  »View Author Affiliations


Optics Letters, Vol. 38, Issue 23, pp. 4985-4987 (2013)
http://dx.doi.org/10.1364/OL.38.004985


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Abstract

We have demonstrated upconversion detection at the single photon level in the 2 μm spectral window using a pump wavelength near 1550 nm, a periodically poled lithium niobate (PPLN) waveguide, and a volume Bragg grating (VBG) to reduce noise. We achieve a system photon detection efficiency of 10%, with a noise count rate of 24,500 counts per second, competitive with other 2 μm single photon detection technologies. This detector has potential applications in environmental gas monitoring, life science, and classical and quantum communication.

© 2013 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.7220) Nonlinear optics : Upconversion
(270.5570) Quantum optics : Quantum detectors

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 4, 2013
Revised Manuscript: October 24, 2013
Manuscript Accepted: October 24, 2013
Published: November 21, 2013

Citation
Guo-Liang Shentu, Xiu-Xiu Xia, Qi-Chao Sun, Jason S. Pelc, M. M. Fejer, Qiang Zhang, and Jian-Wei Pan, "Upconversion detection near 2  μm at the single photon level," Opt. Lett. 38, 4985-4987 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-23-4985

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