Quantum Transceiver for secure Space Communications

Quantum Transceiver for secure Space Communications

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1. Distribution of pairs of entangled photons using the International Space Station (ISS). Entangled photon pairs are distributed to two separated places on Earth.

1. Distribution of pairs of entangled photons using the International Space Station (ISS). Entangled photon pairs are distributed to two separated places on Earth.

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Arnaud GARDELEIN (1), Marc JOFRE (1), Gabriel MOLINA-TERRIZA (1,2), Morgan W. MITCHELL (1), Juan PEREZ (1), Valerio PRUNERI (1,2), Eusebio BERNABEU (3), Luis Miguel SANCHEZ-BREA (3), Waldimar AMAYA (4), José CAPMANY (4), Rupert URSIN (5,6), Thomas JENNEWEIN (5,6),  Laura PEÑATE (7), Francisco GUTIERREZ (7), Jose L. SAN JUAN (8), Javier MORENO (8)
1. ICFO, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain 2. ICREA-Institució Catalana de Recerca i Estudis Avançats, 08010, Barcelona, Spain 3. Departamento de Optica, Universidad Complutense de Madrid,Facultad de Ciencias Físicas. Ciudad Universitaria. 28040 Madrid, Spain. 4. Institute of Telecommunications and Multimedia Applications (ITEAM), Universidad Politécnica de Valencia, Spain 5. Institute for Quantum Optics and Quantum Information (IQOQI, Austrian Academy of Sciences, Austria 6. Faculty of Physics, University of Vienna, Austria 7.  ALTER Technology Group, Spain 8.  LIDAX, Av. Cristobal Colón 16, Torrejon de Ardoz, Spain

ABSTRACT: We report on the development of a photonic transceiver for secure space communication, including an entangled photon source and a faint pulse laser source. Through the laws of Quantum Physics, it will allow the development of global communication with unprecedented security.
 Key words: Photon entanglement, Decoy transmission, Quantum Key Distribution, Parametric down-conversion, Non-linear optics, Space applications