Search Results - "Lucamarini, M."

Overcoming the rate–distance limit of quantum key distribution without quantum repeaters by Lucamarini, M., Yuan, Z. L., Dynes, J. F., Shields, A. J.

“…Quantum key distribution (QKD) 1 , 2 allows two distant parties to share encryption keys with security based on physical laws. Experimentally, QKD has been…”
Get full text

Experimental quantum key distribution beyond the repeaterless secret key capacity by Minder, M., Pittaluga, M., Roberts, G. L., Lucamarini, M., Dynes, J. F., Yuan, Z. L., Shields, A. J.

“…Quantum communications promise to revolutionize the way information is exchanged and protected. Unlike their classical counterpart, they are based on dim…”
Get full text

Quantum key distribution without detector vulnerabilities using optically seeded lasers by Comandar, L. C., Lucamarini, M., Fröhlich, B., Dynes, J. F., Sharpe, A. W., Tam, S. W.-B., Yuan, Z. L., Penty, R. V., Shields, A. J.

“…Quantum cryptography immune from detector attacks is realized by the development of a source of indistinguishable laser pulses based on optically seeded…”
Get full text

Experimental measurement-device-independent quantum digital signatures by Roberts, G. L., Lucamarini, M., Yuan, Z. L., Dynes, J. F., Comandar, L. C., Sharpe, A. W., Shields, A. J., Curty, M., Puthoor, I. V., Andersson, E.

“…The development of quantum networks will be paramount towards practical and secure telecommunications. These networks will need to sign and distribute…”
Get full text

Practical Security Bounds Against the Trojan-Horse Attack in Quantum Key Distribution by Lucamarini, M., Choi, I., Ward, M. B., Dynes, J. F., Yuan, Z. L., Shields, A. J.

“…In the quantum version of a Trojan-horse attack, photons are injected into the optical modules of a quantum key distribution system in an attempt to read…”
Get full text

Cambridge quantum network by Dynes, J. F., Wonfor, A., Tam, W. W. -S., Sharpe, A. W., Takahashi, R., Lucamarini, M., Plews, A., Yuan, Z. L., Dixon, A. R., Cho, J., Tanizawa, Y., Elbers, J. -P., Greißer, H., White, I. H., Penty, R. V., Shields, A. J.

“…Future-proofing current fibre networks with quantum key distribution (QKD) is an attractive approach to combat the ever growing breaches of data theft. To…”
Get full text

Interference effects in commercially available free-space silicon single-photon avalanche diodes by Arabskyj, L., Dejen, B., Santana, T. S., Lucamarini, M., Chunnilall, C. J., Dolan, P. R.

“…Single-photon avalanche diodes (SPADs) are essential for photon-based measurements and metrology, enabling measurement comparisons at the few-photon level and…”
Get full text

Robust random number generation using steady-state emission of gain-switched laser diodes by Yuan, Z. L., Lucamarini, M., Dynes, J. F., Fröhlich, B., Plews, A., Shields, A. J.

“…We demonstrate robust, high-speed random number generation using interference of the steady-state emission of guaranteed random phases, obtained through…”
Get full text

Efficient decoy-state quantum key distribution with quantified security by Lucamarini, M, Patel, K A, Dynes, J F, Fröhlich, B, Sharpe, A W, Dixon, A R, Yuan, Z L, Penty, R V, Shields, A J

“…We analyse the finite-size security of the efficient Bennett-Brassard 1984 protocol implemented with decoy states and apply the results to a gigahertz-clocked…”
Get full text

Quantum key distribution for 10 Gb/s dense wavelength division multiplexing networks by Patel, K. A., Dynes, J. F., Lucamarini, M., Choi, I., Sharpe, A. W., Yuan, Z. L., Penty, R. V., Shields, A. J.

“…We demonstrate quantum key distribution (QKD) with bidirectional 10 Gb/s classical data channels in a single fiber using dense wavelength division…”
Get full text

Directly Phase-Modulated Light Source by Yuan, Z. L., Fröhlich, B., Lucamarini, M., Roberts, G. L., Dynes, J. F., Shields, A. J.

“…The art of imparting information onto a light wave by optical signal modulation is fundamental to all forms of optical communication. Among many schemes,…”
Get full text

High speed prototype quantum key distribution system and long term field trial by Dixon, A R, Dynes, J F, Lucamarini, M, Fröhlich, B, Sharpe, A W, Plews, A, Tam, S, Yuan, Z L, Tanizawa, Y, Sato, H, Kawamura, S, Fujiwara, M, Sasaki, M, Shields, A J

“…Securing information in communication networks is an important challenge in today's world. Quantum Key Distribution (QKD) can provide unique capabilities…”
Get full text

Gigahertz measurement-device-independent quantum key distribution using directly modulated lasers by Woodward, R. I., Lo, Y. S., Pittaluga, M., Minder, M., Paraïso, T. K., Lucamarini, M., Yuan, Z. L., Shields, A. J.

“…Measurement-device-independent quantum key distribution (MDI-QKD) is a technique for quantum-secured communication that eliminates all detector side-channels,…”
Get full text

Testing the photon-number statistics of a quantum key distribution light source by Dynes, J F, Lucamarini, M, Patel, K A, Sharpe, A W, Ward, M B, Yuan, Z L, Shields, A J

“…A commonly held tenet is that lasers well above threshold emit photons in a coherent state, which follow Poissonian statistics when measured in photon number…”
Get full text

Quantum key distribution over multicore fiber by Dynes, J F, Kindness, S J, Tam, S W-B, Plews, A, Sharpe, A W, Lucamarini, M, Fröhlich, B, Yuan, Z L, Penty, R V, Shields, A J

“…We present the first quantum key distribution (QKD) experiment over multicore fiber. With space division multiplexing, we demonstrate that weak QKD signals can…”
Get full text

Quantum key distribution with hacking countermeasures and long term field trial by Dixon, A. R., Dynes, J. F., Lucamarini, M., Fröhlich, B., Sharpe, A. W., Plews, A., Tam, W., Yuan, Z. L., Tanizawa, Y., Sato, H., Kawamura, S., Fujiwara, M., Sasaki, M., Shields, A. J.

“…Quantum key distribution’s (QKD’s) central and unique claim is information theoretic security. However there is an increasing understanding that the security…”
Get full text

Room temperature single-photon detectors for high bit rate quantum key distribution by Comandar, L. C., Fröhlich, B., Lucamarini, M., Patel, K. A., Sharpe, A. W., Dynes, J. F., Yuan, Z. L., Penty, R. V., Shields, A. J.

“…We report room temperature operation of telecom wavelength single-photon detectors for high bit rate quantum key distribution (QKD). Room temperature operation…”
Get full text

Backflashes from fast-gated avalanche photodiodes in quantum key distribution by Koehler-Sidki, A., Dynes, J. F., Paraïso, T. K., Lucamarini, M., Sharpe, A. W., Yuan, Z. L., Shields, A. J.

“…InGaAs single-photon avalanche photodiodes (APDs) are key enablers for high-bit rate quantum key distribution. However, the deviation of such detectors from…”
Get full text

Experimental inhibition of decoherence on flying qubits via "bang-bang" control by Damodarakurup, S, Lucamarini, M, Di Giuseppe, G, Vitali, D, Tombesi, P

“…Decoherence may significantly affect the polarization state of optical pulses propagating in dispersive media because of the unavoidable presence of more than…”
Get full text

Near perfect mode overlap between independently seeded, gain-switched lasers by Comandar, L C, Lucamarini, M, Fröhlich, B, Dynes, J F, Yuan, Z L, Shields, A J

“…We drastically improve the mode overlap between independently seeded, gain-switched laser diodes operating at gigahertz repetition rates by implementing a…”
Get full text