High-quality fiber-optic polarization entanglement distribution at 1.3mu m telecom wavelength

Author(s)
Zhong, Tian; Hu, Xiaolong; Wong, Franco N. C.; Berggren, Karl K.; Roberts, Tony D.; ... Show more
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Alternative title
High-quality fiber-optic polarization entanglement distribution at 1.3µm telecom wavelength
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Abstract
We demonstrate high-quality distribution of 1.3 mu m polarization-entangled photons generated from a fiber-coupled periodically poled KTiOPO[subscript 4] waveguide over 200 m fiber-optic cables. Time-multiplexed measurements with a 19% efficient superconducting nanowire single-photon detector at the remote location show a detected flux of 5.8 pairs∕s at a pump power of 25 muW and an average two-photon quantum-interference visibility of 97.7% without subtraction of accidentals.
Date issued
2010-04
URI
http://hdl.handle.net/1721.1/60350
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Optic Letters
Publisher
Optical Society of America
Citation
Tian Zhong, Xiaolong Hu, Franco N. C. Wong, Karl K. Berggren, Tony D. Roberts, and Philip Battle, "High-quality fiber-optic polarization entanglement distribution at 1.3 mu m telecom wavelength," Opt. Lett. 35, 1392-1394 (2010)© 2010 Optical Society of America.
Version: Final published version
ISSN
0146-9592
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