Single photon detection and quantum cryptography. Buller, G., S., Clarke, P., J., & Collins, R., J. In Proceedings of SPIE: Electro-Optical Remote Sensing, photonic Technologies, and Applications VI, volume 8542, pages 85421V-85421V-15, 11, 2012. SPI.
Single photon detection and quantum cryptography [pdf]Paper  abstract   bibtex   
We present a general purpose theoretical model of single-photon detectors in quantum key distribution systems and apply it to an autonomous gigahertz clocked phase basis set system operating at a wavelength of 850 nm over a standard telecommunications fiber quantum channel. The system has been demonstrated using a variety of different singlephoton detectors, including thick and thin junction silicon single-photon avalanche photodiodes and the first implementation of a resonant cavity thin junction silicon single-photon avalanche diode. We show, by means of the theoretical model, how improvements to certain detector parameters can optimize key exchange rates.

Downloads: 0