The Quantum Information Group (QIG) is developing a new approach to information technology that applies the fundamental laws of Quantum Physics to network communications and computing.
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Quantum Key Distribution
Quantum cryptography provides a secure means for distributing secret keys between two parties (usually referred to as Alice and Bob) on an optical network. A unique feature of the technique is that the secrecy of the keys is independent of the resources available to a hacker.
Applications in quantum information technology, such as quantum cryptography and quantum computing, require new devices that generate and detect light at the quantum level. Toshiba have developed a generic nanotechnology for single photon generation and detection using semiconductor quantum dots.
Overcoming the rate–distance limit of quantum key distribution without quantum repeaters
M. Lucamarini, Z. L. Yuan, J. F. Dynes and A. J. Shields
Best-Practice Criteria for Practical Security of Self-Differencing Avalanche Photodiode Detectors in Quantum Key Distribution
A. Koehler-Sidki, J. Dynes, M. Lucamarini, G. Roberts, A. Sharpe, Z. Yuan and A. Shields
Field trial of a QKD and high-speed classical data hybrid metropolitan network (Conference Presentation)
A. Wonfor, H. Qin, R. Kumar, X. Tang, J. F. Dynes, A. J. Shields, R. V. Penty and I. H. White
A quantum light-emitting diode for the standard telecom window around 1,550 nm
T. Müller, J. Skiba-Szymanska, A. B. Krysa, J. Huwer, M. Felle, M. Anderson, R. M. Stevenson, J. Heffernan, D. A. Ritchie and A. J. Shields
High mobility In0.75Ga0.25As quantum wells
in an InAs phonon lattice
C. Chen, S. N. Holmes, I. Farrer, H. E. Beere and D. A. Ritchie
More QIG publications