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Research in Optical Sciences

Continuous regime quantum teleportation experiment for hybrid quantum nodes

Florian Kaiser, Tom Delord, Sébastien Tanzilli

Published Jan 1, 2014• 1 citation
Publisher

Abstract

We report a telecom teleportation experiment involving narrowband entangled photons and faint laser pulses. This opens the route towards hybrid quantum nodes combining cold-atom single photon sources and entanglement-based quantum relays.
DOI
10.1364/qim.2014.qtu3a.4

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We report a teleportation experiment involving narrowband entangled photons at 1560 nm and qubit photons at 795 nm emulated by faint laser pulses. A nonlinear difference frequency generation stage converts the 795-nm photons to 1560 nm in order to enable interference with one photon out of the pairs, i.e., at the same wavelength. The spectral bandwidth of all involved photons is of about 25 MHz, which is close to the emission bandwidth of emissive quantum memory devices, notably those based on ensembles of cold atoms and rare earth ions. This opens the route toward the realization of hybrid quantum nodes, i.e., combining quantum memories and entanglement-based quantum relays exploiting either a synchronized (pulsed) or a asynchronous (continuous-wave) scenario.
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