Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Richard W. Nock"'
Time-to-digital converters (TDCs) and time correlated single photon counters (TCSPC) are instruments commonly used in LiDAR systems, quantum optics experiments and many other applications. This work presents a new time-to-digital converter architectu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2fa9ec525cf1372d6850bf4908be97a
https://publications.aston.ac.uk/id/eprint/42284/1/1138605.pdf
https://publications.aston.ac.uk/id/eprint/42284/1/1138605.pdf
Publikováno v:
Optical Sensing and Detection VI.
In this paper, a novel Field Programmable Gate Array (FPGA) based instrument for Time Correlated Photon Counting (TCPC) is reported which takes advantage of the photon number resolving ability of newer single photon detectors technologies, such as si
Publikováno v:
Quantum Technologies 2020.
Time-to-digital converters are a key component in many photonics systems, ranging from LiDAR, quantum key distribution, quantum optics experiments and time correlated single photon counting applications. A novel efficient timeto- digital converter no
Autor:
Antonio Consoli, Xiao Ai, Mathieu Quatrevalet, Richard W. Nock, Ignacio Esquivias, Naim Dahnoun, Gerhard Ehret, John Rarity
Publikováno v:
IEEE Aerospace Conference 2014 | IEEE Aerospace Conference 2014 | 01/03/2014-08/03/2014 | Montana, EE.UU.
Archivo Digital UPM
Universidad Politécnica de Madrid
Archivo Digital UPM
Universidad Politécnica de Madrid
The ability to accurately observe the Earth's carbon cycles from space gives scientists an important tool to analyze climate change. Current space-borne Integrated-Path Differential Absorption (IPDA) lidar concepts have the potential to meet this nee
Autor:
John Rarity, Jeremy L. O'Brien, Mirko Lobino, Antti Niskanen, Pisu Jiang, Kanin Aungskunsiri, A. Laing, Enrique Martin-Lopez, Jack Munns, Damien Bonneau, Hongwei Li, Mark G. Thompson, Joachim Wabnig, Pei Zhang, Richard W. Nock
Publikováno v:
ASP-DAC
We report on a quantum key distribution (QKD) experiment where a client with an on-chip polarisation rotator can access a server through a telecom-fibre link. Large resources such as photon source and detectors are situated at server-side. We employ
Autor:
Richard W. Nock, Damien Bonneau, Hongwei Li, Pisu Jiang, Pei Zhang, John Rarity, Jeremy L. O'Brien, Enrique Martin-Lopez, Antti Niskanen, Mark G. Thompson, Kanin Aungskunsiri, J Munns, Mirko Lobino, Anthony Laing, Joachim Wabnig
Publikováno v:
Zhang, P, Aungskunsiri, K, Martín-López, E, Wabnig, J, Lobino, M, Nock, R W, Munns, J, Bonneau, D, Jiang, P, Li, H W, Laing, A, Rarity, J G, Niskanen, A O, Thompson, M G & O'Brien, J L 2014, ' Reference-frame-independent quantum-key-distribution server with a telecom tether for an on-chip client ', Physical Review Letters, vol. 112, no. 13, 130501 . https://doi.org/10.1103/PhysRevLett.112.130501
We demonstrate a client-server quantum key distribution (QKD) scheme, with large resources such as laser and detectors situated at the server-side, which is accessible via telecom-fibre, to a client requiring only an on-chip polarisation rotator, tha
Autor:
John Rarity, Alex S. Clark, Richard W. Nock, Alex McMillan, William J. Wadsworth, Bryn Bell, Mark Tame
Publikováno v:
2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC.
Summary form only given. Spontaneous four wave mixing (FWM) in photonic crystal fibre (PCF) is a promising approach to improved sources of photon pairs for quantum information applications. When pumped by a bright pulsed laser, the χ3 nonlinearity o
Publikováno v:
Bell, B A, Tame, M S, Clark, A S, Nock, R W, Wadsworth, W J & Rarity, J G 2013, ' Experimental characterization of universal one-way quantum computing ', New Journal of Physics, vol. 15, 053030 . https://doi.org/10.1088/1367-2630/15/5/053030
We report the characterization of a universal set of logic gates for one-way quantum computing using a four-photon `star' cluster state generated by fusing photons from two independent photonic crystal fibre sources. We obtain a fidelity for the clus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1c4f48f6dfadf24656cf72a4d8a6d07
https://publications.aston.ac.uk/id/eprint/38066/1/Bell_2013_New_J._Phys._15_053030.pdf
https://publications.aston.ac.uk/id/eprint/38066/1/Bell_2013_New_J._Phys._15_053030.pdf
Publikováno v:
2011 IEEE International Instrumentation and Measurement Technology Conference.
The Bristol free space Quantum Key Distribution (QKD) system offers a potential solution to possible future security problems. Within the Bristol QKD system there is no shared clock between Alice, intended to be a mobile phone chipset and Bob the Qua
Publikováno v:
Applied Optics. 50:4478
A high-resolution random-modulation continuous wave lidar for surface detection using a semiconductor laser diode is presented. The laser diode is intensity modulated with the pseudorandom binary sequence. Its enhanced resolution is achieved via inte