Three topics in quantum communication: error filtration, quantum string flipping, photon pair generation in periodically poled twin hole fibers

Massar, S., Huy, K.P., Brainis, E., Nguyen, A-T., Haelterman, M., Emplit, P., Cerf, N., Lamoureux, L-P., Amans, D., Corbari, C., Canagasabey, A., Ibsen, M., Kazansky, P.G., Fotiadi, A.A., Mégret, P. and Deparis, O. (2007) Three topics in quantum communication: error filtration, quantum string flipping, photon pair generation in periodically poled twin hole fibers. In, Kilin, S., Zukowski, M. and Kowalik, J. (eds.) Quantum Communication and Security (NATO Science for Peace and Security Series: Information and Communication Security). (NATO Security Through Science Series D: Information and Com, 11) Lancaster, UK. IOS Press, pp. 3-10.

Abstract

We briefly present three topics in quantum communication. First of all a method, called error filtration, to reduce errors during quantum communication. We apply this method to quantum cryptography in a noisy environment, and describe an experimental realisation thereof. Second we describe an experimental realisation of quantum string flipping, in which two parties that do not trust each other want to generate a string of random bits. Finally we present the experimental realisation of a source of photon pairs at telecommunication wavelengths based on parametric fluorescence in periodically poled twin hole fibers.

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