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Continuous regime quantum teleportation experiment for hybrid quantum nodes

Florian Kaiser, Tom Delord, Sébastien Tanzilli

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.

Research in Optical SciencesJan 1, 20141 citation

Narrowband polarization entangled photon-pairs source in the telecom C-band for long distance Quantum networking

Florian Kaiser, Amandine Issautier, Olivier Alibart +2 more

We present a narrowband source of polarization entangled photons dedicated to a large variety of long-distance quantum network applications.

Oct 16, 20110 citations

Ultra-fast photon pair sources for long-distance quantum communication

Lutfi Arif Ngah, Virginia D’Auria, Laurent Labonté +2 more

We report on the realization of ultra-fast photon pair sources for long-distance quantum relays. Our sources are capable to deliver high-quality single photon pairs at high repetition rate, guaranteeing efficient operational condition for intended protocol.

Research in Optical SciencesJan 1, 20140 citations

Ultra-fast photon pair sources for advanced quantum communication

Lutfi Arif Ngah, Virginia D’Auria, Laurent Labonté +2 more

We report a realization of ultra-fast photon pair sources, specif- ically designed for efficient, long-distance, quantum relay operation. As a viable solution, our sources are capable to deliver high quality single photon pairs at high repetition rate, guaranteeing efficient operational condition for intended protocol.

Mar 18, 20140 citations

Toward Continuous-Wave Regime Teleportation for Light Matter Quantum Relay Stations

Florian Kaiser, Amandine Issautier, Lutfi Arif Ngah +3 more

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.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.

arXiv:1412.7648IEEE Journal of Selected Topics in Quantum ElectronicsJan 6, 201510 citations

Quantum teleportation over the Swisscom telecommunication network

Olivier Landry, J. A. W. van Houwelingen, A. Beveratos +2 more

We present a quantum teleportation experiment in the quantum relay configuration using the installed telecommunication network of Swisscom. In this experiment, the Bell-state measurement occurs well after the entanglement has been distributed, at a point where the photon upon which data are teleported is already far away, and the entangled qubits are photons created from a different crystal and laser pulse than the teleported qubit. A raw fidelity of 0.93±0.04 has been achieved using a heralded single-photon source.We present a quantum teleportation experiment in the quantum relay configuration using the installed telecommunication network of Swisscom. In this experiment, the Bell-state measurement occurs well after the entanglement has been distributed, at a point where the photon upon which data are teleported is already far away, and the entangled qubits are photons created from a different crystal and laser pulse than the teleported qubit. A raw fidelity of 0.93±0.04 has been achieved using a heralded single-photon source.

arXiv:quant-ph/0605010Journal of the Optical Society of America BJan 26, 200776 citations

Ultra-fast Photon Pair Sources for Quantum Networking

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Ultra-fast Photon Pair Sources for Quantum Networking

Abstract

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