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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 10 — May. 15, 2014
  • pp: 2979–2981

Weak-signal conversion from 1550 to 532  nm with 84% efficiency

Aiko Samblowski, Christina E. Vollmer, Christoph Baune, Jaromír Fiurášek, and Roman Schnabel  »View Author Affiliations


Optics Letters, Vol. 39, Issue 10, pp. 2979-2981 (2014)
http://dx.doi.org/10.1364/OL.39.002979


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Abstract

We report on the experimental frequency conversion of a dim, coherent continuous-wave light field from 1550 to 532 nm with an external photon-number conversion efficiency of (84.4±1.5)%. In contrast to previous works, our conversion efficiency value incorporates all losses before the photoelectric detection, including those introduced by frequency filters. We used sum-frequency generation, which was realized in a standing-wave cavity built around a periodically poled type I potassium titanyl phosphate (PPKTP) crystal, pumped by an intense field at 810 nm. Our result is in full agreement with a numerical model. For optimized cavity coupler reflectivities, it predicts a conversion efficiency of up to 93% using the same PPKTP crystal.

© 2014 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(190.4223) Nonlinear optics : Nonlinear wave mixing
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: February 12, 2014
Revised Manuscript: March 31, 2014
Manuscript Accepted: April 13, 2014
Published: May 13, 2014

Citation
Aiko Samblowski, Christina E. Vollmer, Christoph Baune, Jaromír Fiurášek, and Roman Schnabel, "Weak-signal conversion from 1550 to 532  nm with 84% efficiency," Opt. Lett. 39, 2979-2981 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-10-2979

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