Biography:John Rarity
John Rarity | |
|---|---|
 John Rarity at the Royal Society admissions day in London, 2015 | |
| Born | John G. Rarity |
| Alma mater | University of Sheffield (BSc) Royal Military College of Science (PhD) |
| Scientific career | |
| Fields | Physics |
| Institutions | University of Bristol |
| Thesis | Number fluctuation spectroscopy applied to coagulating dispersions (1984) |
| Website | www |
John G. Rarity FRS[1] is professor of optical communication systems in the department of electrical and electronic engineering at the University of Bristol, a post he has held since 1 January 2003.[2] He is an international expert on quantum optics, quantum cryptography and quantum communication using single photons and entanglement. Rarity is a member of the Quantum Computation and Information group and quantum photonics at the University of Bristol.[3][4]
Education
Rarity was educated at the University of Sheffield (BSc)[5] and awarded a PhD from the Royal Military College of Science in 1984 for research on spectroscopy applied to coagulating dispersions.[6]
Research and career
Prior to moving to the University of Bristol in 2001, Rarity worked as a physicist at the Defence Evaluation and Research Agency (DERA) arm of the Ministry of Defence (United Kingdom).
Notable early achievements while at DERA included demonstrations of quantum interference and non-locality over large distances, demonstrating a violation of Bell's Inequality over 4 km of optical fibre in 1994. These experiments were followed by work in quantum cryptography, resulting in his team at DERA setting a world record of 1.9 km range for free space secure quantum cryptography.[7] A collaboration with Ludwig-Maximilian University, Munich in 2002 successfully demonstrated an open air quantum cryptography experiment over a distance of 23.4 km.
Since moving to the University of Bristol, Rarity has built up a group working in experimental quantum optics. One project which has received substantial publicity recently in collaboration with the Quantum Information Processing group at HP Labs is developing affordable quantum key distribution systems.[8] The scheme reduces the cost by using pulsed LEDs rather than lasers as the source of transmitted qubits.[9]
In 2007 Rarity collaborated in a demonstration of quantum key distribution using free space optical communications over 144 km[10] between the islands of Tenerife and La Palma.
Publications
His books include Microcavities and Photonic Bandgaps: Physics and Applications[11] and highly cited papers include Practical quantum cryptography based on two-photon interferometry[12] and Experimental violation of Bell's inequality based on phase and momentum.[13]
Awards and honours
Rarity won the Thomas Young Medal and Prize in 1995.
Rarity was elected a Fellow of the Royal Society (FRS) in 2015.[1]
References
- ↑ 1.0 1.1 Anon (2015). "Professor John Rarity FRS – The Royal Society". royalsocety.org. https://royalsociety.org/people/fellowship/2015/john-rarity/. One or more of the preceding sentences incorporates text from the royalsociety.org website where: “All text published under the heading 'Biography' on Fellow profile pages is available under Creative Commons Attribution 4.0 International License.” --
- ↑ "University News – New chairs". University of Bristol. April 2003. pp. 9. http://www.bristol.ac.uk/cms/pro/newsletter/news_apr_2003_issue_19.pdf.
- ↑ "Bristol University Physics—Centre for Quantum Photonics—Academic Staff". University of Bristol. http://www.phy.bris.ac.uk/groups/cqp/people.php.
- ↑ {{Google Scholar id}} template missing ID and not present in Wikidata.
- ↑ Bristol, University of. "Professor John Rarity - Faculty of Engineering". http://www.bris.ac.uk/engineering/people/john-g-rarity.
- ↑ Rarity, John G. (1984). Number fluctuation spectroscopy applied to coagulating dispersions (PhD thesis). Royal Military College of Science. OCLC 499808067. EThOS uk.bl.ethos.348636.
- ↑ "DERA Scientists achieve world record 1.9 km range for free-space secure key exchange using quantum cryptography". quiprocone.org (Press release). DERA. January 2001. Archived from the original on 28 September 2006. Retrieved 25 July 2006.
- ↑ 'Quantum ATM' rules out fraudulent web purchases. https://www.newscientist.com/channel/tech/mg19626296.600-quantum-atm-rules-out-fraudulent-web-purchases.html.
- ↑ J. L. Duligall; M. S. Godfrey; K. A. Harrison; W. J. Munro; J. G. Rarity (2006). "Low Cost and Compact Quantum Cryptography". New Journal of Physics 8 (10): 249. doi:10.1088/1367-2630/8/10/249.
- ↑ R. Ursin; F. Tiefenbacher; T. Schmitt-Manderbach; H. Weier; T. Scheidl; M. Lindenthal; B. Blauensteiner; T. Jennewein et al. (2007). "Entanglement-based quantum communication over 144 km". Nature Physics 3 (7): 481. doi:10.1038/nphys629. Nature Physics 3, 481 – 486. Bibcode: 2007NatPh...3..481U.
- ↑ NATO Scientific Affairs Division (1996). C. Cargese. ed. Microcavities and Photonic Bandgaps: Physics and Applications. Springer. ISBN 0-7923-4170-8. OCLC 35055551.
- ↑ Artur K. Ekert; John G. Rarity; Paul R. Tapster; G. Massimo Palma (1992). "Practical quantum cryptography based on two-photon interferometry". Physical Review Letters 69 (9): 1293–1295. doi:10.1103/PhysRevLett.69.1293. PMID 10047180. Bibcode: 1992PhRvL..69.1293E.
- ↑ J. G. Rarity; P. R. Tapster (1990). "Experimental violation of Bell's inequality based on phase and momentum". Physical Review Letters 64 (21): 2495–2498. doi:10.1103/PhysRevLett.64.2495. PMID 10041727. Bibcode: 1990PhRvL..64.2495R.
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