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Proceedings Paper

A bright PPKTP waveguide source of polarization entangled photons
Author(s): Michael L. Fanto; Christopher C. Tison; Gregory A. Howland; Stefan F Preble; Paul M. Alsing; A. Matthew Smith
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Paper Abstract

The need for bright efficient sources of entangled photons has been a subject of tremendous research over the last decade. Researchers have been working to increase the brightness and purity to help overcome the spontaneous nature of the sources. Periodic poling has been implemented to allow for the use of crystals that would not normally satisfy the phase matching conditions. Utilizing periodic poling and single mode waveguide confinement of the pump field has yielded extremely large effective nonlinearities in sources easily producing millions of photon pairs. Here we will demonstrate these large nonlinearity effects in a periodically poled potassium titanyl phosphate (PPKTP) waveguide as well as characterizing the source purity.

Paper Details

Date Published: 21 May 2015
PDF: 12 pages
Proc. SPIE 9500, Quantum Information and Computation XIII, 950014 (21 May 2015); doi: 10.1117/12.2177029
Show Author Affiliations
Michael L. Fanto, Air Force Research Lab. (United States)
Christopher C. Tison, Rome Research Corp. (United States)
Gregory A. Howland, Air Force Research Lab. (United States)
Stefan F Preble, Rochester Institute of Technology (United States)
Paul M. Alsing, Air Force Research Lab. (United States)
A. Matthew Smith, Oak Ridge National Lab. (United States)


Published in SPIE Proceedings Vol. 9500:
Quantum Information and Computation XIII
Eric Donkor; Andrew R. Pirich; Michael Hayduk, Editor(s)

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