Search Results - "WHITE, A G"

Demonstration of non-Markovian process characterisation and control on a quantum processor by White, G. A. L., Hill, C. D., Pollock, F. A., Hollenberg, L. C. L., Modi, K.

“…In the scale-up of quantum computers, the framework underpinning fault-tolerance generally relies on the strong assumption that environmental noise affecting…”
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Indefinite Causal Order in a Quantum Switch by Goswami, K, Giarmatzi, C, Kewming, M, Costa, F, Branciard, C, Romero, J, White, A G

“…Quantum mechanics allows events to happen with no definite causal order: this can be verified by measuring a causal witness, in the same way that an…”
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Boson Sampling with Single-Photon Fock States from a Bright Solid-State Source by Loredo, J C, Broome, M A, Hilaire, P, Gazzano, O, Sagnes, I, Lemaitre, A, Almeida, M P, Senellart, P, White, A G

“…A boson-sampling device is a quantum machine expected to perform tasks intractable for a classical computer, yet requiring minimal nonclassical resources as…”
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Near-optimal single-photon sources in the solid state by Somaschi, N., Giesz, V., De Santis, L., Loredo, J. C., Almeida, M. P., Hornecker, G., Portalupi, S. L., Grange, T., Antón, C., Demory, J., Gómez, C., Sagnes, I., Lanzillotti-Kimura, N. D., Lemaítre, A., Auffeves, A., White, A. G., Lanco, L., Senellart, P.

“…The scaling of optical quantum technologies requires efficient, on-demand sources of highly indistinguishable single photons. Semiconductor quantum dots…”
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Filtering Crosstalk from Bath Non-Markovianity via Spacetime Classical Shadows by White, G A L, Modi, K, Hill, C D

“…From an open system perspective non-Markovian effects due to a nearby bath or neighboring qubits are dynamically equivalent. However, there is a conceptual…”
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Characterizing quantum dynamics with initial system-environment correlations by Ringbauer, M, Wood, C J, Modi, K, Gilchrist, A, White, A G, Fedrizzi, A

“…We fully characterize the reduced dynamics of an open quantum system initially correlated with its environment. Using a photonic qubit coupled to a simulated…”
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Efficient measurement of quantum dynamics via compressive sensing by Shabani, A, Kosut, R L, Mohseni, M, Rabitz, H, Broome, M A, Almeida, M P, Fedrizzi, A, White, A G

“…The resources required to characterize the dynamics of engineered quantum systems--such as quantum computers and quantum sensors--grow exponentially with…”
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Measurements on the reality of the wavefunction by Ringbauer, M., Duffus, B., Branciard, C., Cavalcanti, E. G., White, A. G., Fedrizzi, A.

“…Quantum mechanics is an outstandingly successful description of nature, underpinning fields from biology through chemistry to physics. At its heart is the…”
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Quantum Hypercube States by Howard, L A, Weinhold, T J, Shahandeh, F, Combes, J, Vanner, M R, White, A G, Ringbauer, M

“…We introduce quantum hypercube states, a class of continuous-variable quantum states that are generated as orthographic projections of hypercubes onto the…”
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Hiding Ignorance Using High Dimensions by Kewming, M. J., Shrapnel, S., White, A. G., Romero, J.

“…The absence of information-entirely or partly-is called ignorance. Naturally, one might ask if some ignorance of a whole system will imply some ignorance of…”
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Violation of the Leggett-Garg inequality with weak measurements of photons by Goggin, M. E., Almeida, M. P., Barbieri, M., Lanyon, B. P., O'Brien, J. L, White, A. G., Pryde, G. J., Aharonov, Yakir

“…By weakly measuring the polarization of a photon between two strong polarization measurements, we experimentally investigate the correlation between the…”
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Demonstration of an all-optical quantum controlled-NOT gate by O'Brien, J. L, Pryde, G. J, White, A. G, Ralph, T. C, Branning, D

“…The promise of tremendous computational power, coupled with the development of robust error-correcting schemes, has fuelled extensive efforts to build a…”
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Optimal Imaging of Remote Bodies Using Quantum Detectors by Howard, L. A., Gillett, G. G., Pearce, M. E., Abrahao, R. A., Weinhold, T. J., Kok, P., White, A. G.

“…We implement a general imaging method by measuring the complex degree of coherence using linear optics and photon number resolving detectors. In the absence of…”
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Generation of mechanical interference fringes by multi-photon counting by Ringbauer, M, Weinhold, T J, Howard, L A, White, A G, Vanner, M R

“…Exploring the quantum behaviour of macroscopic objects provides an intriguing avenue to study the foundations of physics and to develop a suite of…”
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Photon sorting, efficient bell measurements, and a deterministic controlled-Z gate using a passive two-level nonlinearity by Ralph, T C, Söllner, I, Mahmoodian, S, White, A G, Lodahl, P

“…Although the strengths of optical nonlinearities available experimentally have been rapidly increasing in recent years, significant challenges remain to using…”
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Demonstration of a simple entangling optical gate and its use in bell-state analysis by LANGFORD, N. K, WEINHOLD, T. J, PREVEDEL, R, RESCH, K. J, GILCHRIST, A, O'BRIEN, J. L, PRYDE, G. J, WHITE, A. G

“…We demonstrate a new architecture for an optical entangling gate that is significantly simpler than previous realizations, using partially polarizing beam…”
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Reducing multi-photon rates in pulsed down-conversion by temporal multiplexing by Broome, M A, Almeida, M P, Fedrizzi, A, White, A G

“…We present a simple technique to reduce the emission rate of higher-order photon events from pulsed spontaneous parametric down-conversion. The technique uses…”
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Quantum Bath Control with Nuclear Spin State Selectivity via Pulse-Adjusted Dynamical Decoupling by Lang, J E, Broadway, D A, White, G A L, Hall, L T, Stacey, A, Hollenberg, L C L, Monteiro, T S, Tetienne, J-P

“…Dynamical decoupling (DD) is a powerful method for controlling arbitrary open quantum systems. In quantum spin control, DD generally involves a sequence of…”
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Quantum process tomography of a controlled-not gate by O'BRIEN, J. L, PRYDE, G. J, GILCHRIST, A, JAMES, D. F. V, LANGFORD, N. K, RALPH, T. C, WHITE, A. G

“…We demonstrate complete characterization of a two-qubit entangling process--a linear optics controlled-NOT gate operating with coincident detection--by quantum…”
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Measurement of quantum weak values of photon polarization by PRYDE, G. J, O'BRIEN, J. L, WHITE, A. G, RALPH, T. C, WISEMAN, H. M

“…We experimentally determine weak values for a single photon's polarization, obtained via a weak measurement that employs a two-photon entangling operation, and…”
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