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DOI:10.1080/09500349414552281 - Corpus ID: 121262816
@article{Rarity1994QuantumRG, title={Quantum Random-number Generation and Key Sharing}, author={John G. Rarity and P C M Owens and P. R. Tapster}, journal={Journal of Modern Optics}, year={1994}, volume={41}, pages={2435-2444}, url={https://api.semanticscholar.org/CorpusID:121262816}}- J. Rarity, P. Owens, P. Tapster
- Published 1 December 1994
- Physics
- Journal of Modern Optics
A simple approach to generating the random measurement bases used in quantum cryptography systems which exploits random partition at a beam splitter, reducing system complexity and losses.
227 Citations
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Topics
Quantum Cryptography (opens in a new tab)Interferometry (opens in a new tab)
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This work demonstrates quantum random number generation based on a photon-number detection scheme with the use of a silicon photomultiplier and implements a time integral with detector response signals for resolving photon numbers, which are subsequently digitized into a stream of 4-bit sequences with a generation rate of 13.6 Mbit/s.
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A fully integrated, ready-for-use quantum random number generator (QRNG) whose stochastic model is based on the randomness of detecting single photons in attenuated light that clearly pass all tests relevant for (physical) random number generators.
- 145
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- L. M. YuM. J. YangP. WangS. Kawata
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The Review of scientific instruments
A new sampling method for quantum random bit generation requires only one single-photon detector and does not measure the time slots of emitted photons, resulting in a binary random bit sequence obtained.
- 9
- Wan-ying WangChuan WangG. Long
- 2009
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Using differential phase shift and photon polarization, this work proposes two quantum key distribution schemes, i.e. a double-coding BB84 protocol and aDouble-Coding BBM92 protocol, which are feasible with present technology and ensured by the use of detection time slots, random choice of bases and quantum entanglement.
- 13
- A. StefanovN. GisinO. GuinnardL. GuinnardH. Zbinden
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Abstract A physical random number generator based on the intrinsic randomness of quantum mechanics is described. The random events are realized by the choice of single photons between the two outputs…
- 293 [PDF]
- M. A. WayneP. Kwiat
- 2010
Physics, Engineering
Optics express
We present an optical quantum random number generator (QRNG) based on the digitized time interval between random photon arrivals. By tailoring the photon flux of the laser diode, the statistics of…
- 15
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- Ma Hai-qiangWang Su-mei Wu Ling’an
- 2004
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A new scheme for a random number generator based on quantum entangled photon pairs is demonstrated. Signal photons produced by optical parametric down-conversion are detected at two single-photon…
- 30
- C. KurtsieferP. Zarda H. Weinfurter
- 2002
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The design of novel hardware components which enabled the demonstration of secure key exchange over a 23.4 km free-space link are presented.
- 48
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- J. RarityPhilip M. GormanP. KnightK. WallaceP. Tapster
- 2017
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International Conference on Space Optics
A free space secure key exchange system using weak laser pulses with polarisation modulation by acousto-optic switching is designed and built and the feasibility of exchanging keys to a low earth orbit satellite is analyzed.
- 1
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- J. DynesMarco Lucamarini A. Shields
- 2018
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A method based on measuring correlation functions to experimentally characterize a light source's photon statistics and use it in the estimation of a quantum key distribution system's key rate promises to be a useful tool for the certification of quantum-related technologies.
- 11 [PDF]
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17 References
- Artur K. EkertJ. RarityP. TapsterG. Massimo Palma
- 1992
Physics, Computer Science
Physical review letters
The experimental setup consists of an external source of correlated photon pairs which propagate to two widely separated unbalanced Mach-Zehnder interferometers and can be fully modulated by phase plates in either interferometer.
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- P. TownsendI. Thompson
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Physics
Abstract We describe a prototype quantum key distribution system based on standard optical communication fibre and components. The system has been used to transmit pseudo-random bit sequences encoded…
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- Charles H. Bennett
- 1992
Physics
Physical review letters
It is shown that in principle any two nonorthogonal quantum states suffice, and a practical interferometric realization using low-intensity coherent light pulses is described.
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- P. TownsendJ. RarityP. Tapster
- 1993
Physics, Engineering
High visibility (V = 0.985) single photon fringe measurements in a 10 km long, optical fibre-based, time- and polarisation-division Mach-Zehnder interferometer are reported. The ability of the system…
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- A. MullerJ. BreguetN. Gisin
- 1993
Physics, Engineering
A quantum cryptography set-up is described. It uses polarized photons to code the key. The photons remain guided from the semiconductor laser diode until the photon counter module. The feasibility of…
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- A. Ekert
- 1991
Physics
Physical review letters
Practical application of the generalized Bells theorem in the so-called key distribution process in cryptography is reported. The proposed scheme is based on the Bohms version of the…
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- Charles H. BennettG. BrassardN. Mermin
- 1992
Physics, Computer Science
Physical review letters
A related but simpler EPR scheme is described and it is proved it secure against more general attacks, including substitution of a fake EPR source and the original 1984 key distribution scheme of Bennett and Brassard, which uses single particles instead of EPR pairs.
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- P. TownsendJ. RarityP. Tapster
- 1993
Physics, Engineering
Single-photon interference fringes with greater than 90% visibility were measured using a 10 km long optical fibre interferometer. The experiment employed a pulsed semiconductor laser source…
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- J. RarityJ. BurnettP. TapsterR. Paschotta
- 1993
Physics
We measure fourth-order interference occurring when energy-entangled photon pairs are launched into opposite ports of a single-mode-fibre interferometer. The resulting 90% coincidence fringe…
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- P. KwiatAephraim M. SteinbergRaymond Y. ChiaoP. EberhardM. Petroff
- 1993
Physics
Physical review. A, Atomic, molecular, and…
These are believed to be the highest reported single-photon detection efficiencies in the visible spectrum; they are important for quantum cryptography and loophole-free tests of Bell's inequalities, as well as more prosaic applications such as photon correlation spectroscopy and velocimetry.
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