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マテーラ、イタリア、おはよう東京！
Padua University Est. 1222 ~ 60000 Students >2000 Faculties Universa Universis Patavina Libertas
http://quantumfuture.dei.unipd.it
QuantumFuture Research Group Interdisciplinary exper0se: Quantum and Classical Op0cs Quantum communica0ons engineering Quantum Control theory Quantum Astronomy
Matera Laser Ranging Observatory MLRO Diffrac5on lim. Cassegrain/Coudé telescope, 1.5 m aperture, 1”acc. dual wavelenght laser (green & UV),100 mJ, 40 ps, 10 Hz pulses Cesium/H-‐Maser frequency standards, GPS/UTC synchro, 1-‐ps event 0ming capability, sub-‐mm calibra0on (internal&external) Day & night ranging capability to coopera5ng targets (CCR arrays) from 400 km orbit to the Moon
Italian Space Quantum Communications Timeline QuantumFuture Research Group of University of Padova, coordinated by Paolo Villoresi, operated since 2003 at ASI Matera Laser Ranging Observatory, using its 1.5 m telescope with millimeter resolution in Satellite Laser Ranging.
2003 – UniPD SpaceQ project
2004-‐2006 -‐ Op0cal front-‐end & single
photon receiver @ MLRO
2008 – First single-‐photon return from
LEO demonstrated
2009 Feasibility study for a quantum payload for the ISS • 2009-‐2011 MLRO Mueller Matrix
2012 -‐ Analysis of response for different satellites CCR • 2013 – Q state prepara0on & analysis – satellite synchroniza0on
2014 – Quantum Communica5ons from a Satellite demonstrated
2015 -‐ Expanding
single photon exchange to MEO satellite
2015 – Quantum
Interference by 5me-‐bin from LEO
P. Villoresi et al. New J. Phys. 10 033038 (2008)
G. Vallone et al. Phys. Rev. Lee. vol 115 040502 (2015)
D. Dequal et al. Arxiv: 1509.05692 (2015)
G. Vallone et al. ArXiv, 1509:07855 (2015)
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PV Marco Tomasin Pino Vallone Francesco Vedovato Matteo Schiavon Daniele Dequal
PV Davide Bacco Pino Vallone Nicola Baccichet
Andrea Tomaello Alberto Dall’Arche
Fabrizio Tamburini Cristian Bonato
PV Pino Vallone Simone Gaiarin Daniele Dequal Davide Bacco
Prof. Cesare Barbieri
Space channels are suitable for Quantum Key Distribu0on as well for other Quantum Informa0on protocols We demonstrated that polariza0on is a viable DOF We observed that temporal modes are also viable, with Quantum interference with 0me-‐bins Alice is welcome onboard !
[email protected] [email protected]
[email protected] quantumfuture.dei.unipd.it
