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Publication Citation: Reducing noise in single-photon frequency conversion

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Author(s): Paulina S. Kuo; Jason S. Pelc; Oliver T. Slattery; Yong-Su Kim; Martin M. Fejer; Xiao Tang;
Title: Reducing noise in single-photon frequency conversion
Published: April 10, 2013
Abstract: We demonstrate low-noise and efficient frequency conversion using sum-frequency mixing in a periodically poled LiNbO3 (PPLN) waveguide. Using a 1556 nm pump, 1302 nm photons are efficiently converted to 709 nm photons. We obtain 70% conversion efficiency in the PPLN waveguide and >50% external conversion efficiency. We achieve simultaneous low dark-count rates and high conversion efficiency by careful spectral filtering to eliminate noise. We discuss the impact of low-noise frequency translation on quantum frequency conversion and upconversion detection.
Citation: Optics Letters
Volume: 38
Issue: 8
Keywords: Wavelength conversion devices, Nonlinear optics, devices
Research Areas: Quantum Communications, Quantum Devices, Quantum Information Technology
DOI: http://dx.doi.org/10.1364/OL.38.001310  (Note: May link to a non-U.S. Government webpage)
PDF version: PDF Document Click here to retrieve PDF version of paper (230KB)