Search Results - "Buller, G S"

Imaging high-dimensional spatial entanglement with a camera by Edgar, M.P., Tasca, D.S., Izdebski, F., Warburton, R.E., Leach, J., Agnew, M., Buller, G.S., Boyd, R.W., Padgett, M.J.

“…The light produced by parametric down-conversion shows strong spatial entanglement that leads to violations of EPR criteria for separability. Historically,…”
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Secure polarization-independent subcarrier quantum key distribution in optical fiber channel using BB84 protocol with a strong reference by Gleim, A V, Egorov, V I, Nazarov, Yu V, Smirnov, S V, Chistyakov, V V, Bannik, O I, Anisimov, A A, Kynev, S M, Ivanova, A E, Collins, R J, Kozlov, S A, Buller, G S

“…A quantum key distribution system based on the subcarrier wave modulation method has been demonstrated which employs the BB84 protocol with a strong reference…”
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Time-resolved photoluminescence measurements of InAs self-assembled quantum dots grown on misorientated substrates by Karachinsky, L. Ya, Pellegrini, S., Buller, G. S., Shkolnik, A. S., Gordeev, N. Yu, Evtikhiev, V. P., Novikov, V. B.

“…Time-resolved photoluminescence decay measurements have been performed on samples with varying-sized self-assembled InAs/GaAs quantum dot ensembles, formed by…”
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Spatial dependence of output pulse delay in a niobium nitride nanowire superconducting single-photon detector by O'Connor, J. A., Tanner, M. G., Natarajan, C. M., Buller, G. S., Warburton, R. J., Miki, S., Wang, Z., Nam, S. W., Hadfield, R. H.

“…We report on the position-dependent variation in output pulse timing across a superconducting single-photon detector. Our device consists of a single niobium…”
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Single photon sources based upon single quantum dots in semiconductor microcavity pillars by Timpson, J. A., Sanvitto, D., Daraei, A., Guimaraes, P. S. S., Vinck, H., Lam, S., Whittaker, D. M., Skolnick, M. S., Fox, A. M., Hu, C. Y., Ho, Y.-L. D., Gibson, R., Rarity, J. G., Pellegrini, S., Gordon, K. J., Warburton, R. E., Tahraoui, A., Buller, G. S., Fry, P. W., Hopkinson, M.

“…Semiconductor microcavity pillars with both circular and elliptical cross-section containing semiconductor quantum dots are shown to be good candidates for…”
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Passive Optical Network Approach to Gigahertz-Clocked Multiuser Quantum Key Distribution by Fernandez, V., Collins, R.J., Gordon, K.J., Townsend, P.D., Buller, G.S.

“…We present the application of quantum key distribution (QKD) technologies to fiber-based broad-band passive optical access networks. This application is based…”
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A short wavelength GigaHertz clocked fiber-optic quantum key distribution system by Gordon, K.J., Fernandez, V., Townsend, P.D., Buller, G.S.

“…A quantum key distribution (QKD) system has been developed, using a standard telecommunications optical fiber, which is capable of operating at clock rates of…”
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Design and performance of an InGaAs-InP single-photon avalanche diode detector by Pellegrini, S., Warburton, R.E., Tan, L.J.J., Jo Shien Ng, Krysa, A.B., Groom, K., David, J.P.R., Cova, S., Robertson, M.J., Buller, G.S.

“…This paper describes the design, fabrication, and performance of planar-geometry InGaAs-InP devices which were specifically developed for single-photon…”
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Fourier relationship between the angle and angular momentum of entangled photons by Jha, A. K., Jack, B., Yao, E., Leach, J., Boyd, R. W., Buller, G. S., Barnett, S. M., Franke-Arnold, S., Padgett, M. J.

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Time-resolved Photoluminescence and Carrier Dynamics in Vertically-coupled Self-assembled Quantum Dots by Gontijo, I., Buller, G. S., Massa, J. S., Walker, A. C., Zaitsev, S. V., Gordeev, N. Yu, Ustinov, V. M., Kop'ev, P. S.

“…The relaxation mechanisms of an array of 10 vertically coupled layers of InGaAs/AlGaAs quantum dots were studied by time-resolved photoluminescence. Both…”
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Time resolved photoluminescence study of strained-layer InGaAsP/InP heterostructures by Fancey, S.J., Buller, G.S., Massa, J.S., Walker, A.C., Perrin, S.D., Dann, A.J., Robertson, M.J.

“…A time-resolved photoluminescence study of strained and unstrained InGaAsP/InP double heterostructures has been performed at low photogenerated carrier…”
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Quantum correlations in position, momentum, and intermediate bases for a full optical field of view by Leach, J., Warburton, R. E., Ireland, D. G., Izdebski, F., Barnett, S. M., Yao, A. M., Buller, G. S., Padgett, M. J.

“…We report an eight-element, linear-array, single-photon detector that uses multiple fibers of differing lengths coupled to a single detector, the timing…”
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Evidence of carrier confinement in nonlinear GaAs/AlGaAs multiple quantum-well microresonators fabricated using alloy mixing techniques by MASSA, J. S, BULLER, G. S, WALKER, A. C, OUDAR, J. L, RAO, E. V. K, SFEZ, B. G, KUSELEWICZ, R

“…Time-resolved photoluminescence measurements with <5 μm spatial resolution have provided direct evidence of carrier confinement in micrometer-dimensioned…”
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Observation of the biexponential ground-state decay time behavior in InAs self-assembled quantum dots grown on misoriented substrates by Shkolnik, A. S., Karachinsky, L. Ya, Gordeev, N. Yu, Zegrya, G. G., Evtikhiev, V. P., Pellegrini, S., Buller, G. S.

“…Biexponential behavior of the time-resolved photoluminescence decay from the ground state has been studied over a temperature range of 77-300 K on samples with…”
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Growth and characterization of ZnSe based blue green VCSELs by Prior, K A, Meredith, W, Brownlie, G D, Milnes, J, Buller, G S, Cavenett, B C, Dann, A J, Robertson, M J

“…Blue green vertical cavity surface emitting lasers (VCSELs) have been produced in which the active region comprised molecular beam epitaxy (MBE) grown ZnSe…”
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All-optical routing networks based on bistable interferometers by BULLER, G. S, PATON, C. R, SMITH, S. D, WALKER, A. C

“…The possibility of using bistable nonlinear Fabry–Perot interferometers as wide-band data transparent all-optical spatial switches has been investigated. It…”
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A study of the excess carrier dynamics in ZnSe based structures grown by molecular beam epitaxy by Massa, J.S., Buller, G.S., Walker, A.C., Simpson, J., Horsburgh, G., Mullins, J.T., Prior, K.A., Cavenett, B.C.

“…In this paper we present photoluminescence decay measurements from n-type, iodine-doped, ZnSe and nominally undoped Zn0.25Cd0.75SeZnSe single quantum well…”
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Hot pixel classification of single‐photon avalanche diode detector arrays using a log‐normal statistical distribution by P.W.R. Connolly, X. Ren, R.K. Henderson, G.S. Buller

“…CMOS single‐photon avalanche diode (SPAD) detector arrays are commonly used in low‐light imaging applications, and are known to suffer from certain defects…”
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Carrier storage and capture dynamics in quantum-dot heterostructures by Smith, J. M., Dalgarno, P. A., Urbaszek, B., McGhee, E. J., Buller, G. S., Nott, G. J., Warburton, R. J., Garcia, J. M., Schoenfeld, W., Petroff, P. M.

“…Photoluminescence and time-resolved photoluminescence measurements of charge tunable quantum-dot heterostructures reveal that by appropriate biasing of the…”
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Microsecond carrier lifetimes in InGaAsP quantum wells emitting at λ=1.5 μm by Smith, J. M., Buller, G. S., Marshall, D., Miller, A., Button, C. C.

“…Time-resolved photoluminescence measurements of an undoped InGaAsP multiple-quantum-well heterostructure at excess carrier densities between 1014 and 1016 cm−3…”
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