Single pairs of time-bin-entangled photons

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Date
2015
Authors
Versteegh, Marijn A. M.
Reimer, Michael E.
van den Berg, Aafke A.
Juska, Gediminas
Dimastrodonato, Valeria
Gocalińska, Agnieszka M.
Pelucchi, Emanuele
Zwiller, Val
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American Physical Society
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Abstract
Time-bin-entangled photons are ideal for long-distance quantum communication via optical fibers. Here we present a source where, even at high creation rates, each excitation pulse generates, at most, one time-bin-entangled pair. This is important for the accuracy and security of quantum communication. Our site-controlled quantum dot generates single polarization-entangled photon pairs, which are then converted, without loss of entanglement strength, into single time-bin-entangled photon pairs.
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Keywords
Quantum-dot spin , Telecom-wavelength , State , Communication , Generation , Nanowires , Fiber , Mode
Citation
Versteegh, M. A. M., Reimer, M. E., van den Berg, A. A., Juska, G., Dimastrodonato, V., Gocalinska, A., Pelucchi, E. and Zwiller, V. (2015) 'Single pairs of time-bin-entangled photons', Physical Review A, 92(3), 033802 (8pp). doi: 10.1103/PhysRevA.92.033802
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© 2015, American Physical Society