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Heralded amplification of photonic qubits

Bruno, Natalia and Pini, Vittorio and Martin, Anthony and Verma, Varun B. and Nam, Sae Woo and Mirin, Richard and Lita, Adriana and Marsili, Francesco and Korzh, Boris and Bussières, Felix and Sangouard, Nicolas and Zbinden, Hugo and Gisin, Nicolas and Thew, Rob . (2016) Heralded amplification of photonic qubits. Optics express, 24 (1). pp. 125-133.

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Official URL: http://edoc.unibas.ch/53936/

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Abstract

We demonstrate postselection free heralded qubit amplification for Time-Bin qubits and single photon states in an all-fibre, telecom-wavelength, scheme that highlights the simplicity, stability and potential for fully integrated photonic solutions. Exploiting high-efficiency superconducting detectors, the gain, fidelity and the performance of the amplifier are studied as a function of loss. We also demonstrate the first heralded single photon amplifier with independent sources. This provides a significant advance towards demonstrating device-independent quantum key distribution as well as fundamental tests of quantum mechanics over extended distances.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Quantum Physics (Sangouard)
UniBasel Contributors:Sangouard, Nicolas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Optical Society of America
ISSN:1094-4087
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:22 Feb 2017 13:01
Deposited On:22 Feb 2017 13:01

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