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Quantum Cryptography Systems Theory Single Photon Sources Donald Bethune, IBM Research San Jose, California www.almaden.ibm.com/st/projects/quantum/intro Gerald S. Buller, Heriot Watt University Edinburgh, Scotland www.phy.hw.ac.uk/resrev/QUICK/index.htm Francesco De Martini, University La Sapienza Rome, Italy www.infm.it Chip Elliott, BBN/Verizon Cambridge, Massachusetts www.bbn.com/networking/quantumcryptography.html Nicolas Gisin, University of Geneva/id Quantique SA Geneva, Switzerland www.GAP-Optique.unige.ch/Quantum.asp www.idquantique.com Richard Hughes, Los Alamos National Laboratory Los Alamos, New Mexico www.lanl.gov/orgs/pa/News/UCSB032102/sld028.htm Paul Kwiat, University of Illinois Urbana Champaign, Illinois www.physics.uiuc.edu/Research/QI/index.html Hoi-Kwong Lo, Magiq Technologies New York, New York www.magiqtech.com Klaus Molmer, University of Aarhus Århus, Denmark www.phys.au.dk/quantop/theory.shtm John Rarity, QinetiQ, plc Malvern, England www.eqcspot.org Jeffrey Shapiro, Massachusetts Institute of Technology Cambridge, Massachusetts rleweb.mit.edu/rlestaff/p-shap.htm Harald Weinfurter, University of Munich Munich, Germany scotty.quantum.physik.uni-muenchen.de Colin Williams, NASA JPL/Quantum Confidential, Inc. Pasadena, California/Lacanada, California cism.jpl.nasa.gov/program/RCT/QuantCompUD.html Horace Yuen, Northwestern University Evanston, Illinois www.ece.northwestern.edu/~yuen Anton Zeilinger, University of Vienna Vienna, Austria www.quantum.univie.ac.at/zeilinger What to Look For Equipment and capabilities: Electric, room-temperature single-photon sources Gigahertz single-photon sources Efficient sources of entangled photons Gigahertz entangled-photon sources Efficient room-temperature photon detectors Gigahertz photon detectors Quantum repeaters or relays Gigahertz quantum repeaters Multi-photon quantum cryptography Implementations: Gigabit-per-second point-to-point Via satellite On a network On the Internet Threat levels: 10-qubit quantum computer (practical quantum systems possible) 100-qubit quantum computer (large-scale within a decade) 1,000-qubit quantum computer (encryption codes compromised) |
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