J
Jeremy L. O'Brien
Researcher at University of Bristol
Publications - 333
Citations - 35416
Jeremy L. O'Brien is an academic researcher from University of Bristol. The author has contributed to research in topics: Quantum technology & Photon. The author has an hindex of 84, co-authored 328 publications receiving 29988 citations. Previous affiliations of Jeremy L. O'Brien include University of Melbourne & University of Queensland.
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A variational eigenvalue solver on a photonic quantum processor
Alberto Peruzzo,Jarrod R. McClean,Peter Shadbolt,Man-Hong Yung,Xiao-Qi Zhou,Peter J. Love,Alán Aspuru-Guzik,Jeremy L. O'Brien +7 more
TL;DR: The proposed approach drastically reduces the coherence time requirements and combines this method with a new approach to state preparation based on ansätze and classical optimization, enhancing the potential of quantum resources available today and in the near future.
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Quantum Computing
Thaddeus D. Ladd,Fedor Jelezko,Raymond Laflamme,Yasunobu Nakamura,Christopher Monroe,Jeremy L. O'Brien +5 more
TL;DR: A number of physical systems, spanning much of modern physics, are being developed for this task, ranging from single particles of light to superconducting circuits, and it is not yet clear which, if any, will ultimately prove successful as discussed by the authors.
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Photonic quantum technologies
TL;DR: The first quantum technology that harnesses quantum mechanical effects for its core operation has arrived in the form of commercially available quantum key distribution systems as mentioned in this paper, which achieves enhanced security by encoding information in photons such that an eavesdropper in the system can be detected.
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Silica-on-Silicon Waveguide Quantum Circuits
TL;DR: These results show that it is possible to directly “write” sophisticated photonic quantum circuits onto a silicon chip, which will be of benefit to future quantum technologies based on photons, including information processing, communication, metrology, and lithography, as well as the fundamental science of quantum optics.