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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.|
|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:||Click here to retrieve PDF version of paper (230KB)|