Search Results - "Hofmann, Holger F"

Directional control of light by a nano-optical Yagi-Uda antenna by Kadoya, Yutaka, Kosako, Terukazu, Hofmann, Holger F

“…The plasmon resonance of metal nanoparticles can direct light from optical emitters in much the same way that radiofrequency antennas direct the emission from…”
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Statistical Signatures of Quantum Contextuality by Hofmann, Holger F

“…Quantum contextuality describes situations where the statistics observed in different measurement contexts cannot be explained by a measurement of the…”
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How to put quantum particles on magic bullet trajectories that can hit two targets without a clear line-of-sight by Hofmann, Holger F.

“…Quantum particles move in strange ways, even when they propagate freely in space. As a result of the uncertainty principle, it is not possible to control the…”
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Complex joint probabilities as expressions of reversible transformations in quantum mechanics by Hofmann, Holger F

“…The density operator of a quantum state can be represented as a complex joint probability of any two observables whose eigenstates have non-zero mutual…”
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The role of system-meter entanglement in controlling the resolution and decoherence of quantum measurements by Patekar, Kartik, Hofmann, Holger F

“…Measurement processes can be separated into an entangling interaction between the system and a meter and a subsequent readout of the meter state that does not…”
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Tracing quantum correlations back to collective interferences by Ji, Ming, Hance, Jonte R, Hofmann, Holger F

“…Abstract In this paper, we investigate the possibility of explaining nonclassical correlations between two quantum systems in terms of quantum interferences…”
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Violation of Leggett-Garg inequalities in quantum measurements with variable resolution and back-action by Suzuki, Yutaro, Iinuma, Masataka, Hofmann, Holger F

“…Quantum mechanics violates Leggett-Garg inequalities because the operator formalism predicts correlations between different spin components that would…”
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Contextuality, coherences, and quantum Cheshire cats by Hance, Jonte R, Ji, Ming, Hofmann, Holger F

“…Abstract We analyse the quantum Cheshire cat using contextuality theory, to see if this can tell us anything about how best to interpret this paradox. We show…”
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On the role of complex phases in the quantum statistics of weak measurements by Hofmann, Holger F

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Sequential measurements of non-commuting observables with quantum controlled interactions by F Hofmann, Holger

“…The origin of non-classical correlations is difficult to identify since the uncertainty principle requires that information obtained about one observable…”
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What Does the Operator Algebra of Quantum Statistics Tell Us about the Objective Causes of Observable Effects? by Hofmann, Holger F

“…Quantum physics can only make statistical predictions about possible measurement outcomes, and these predictions originate from an operator algebra that is…”
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Observation of non-classical correlations in sequential measurements of photon polarization by Suzuki, Yutaro, Iinuma, Masataka, Hofmann, Holger F

“…A sequential measurement of two non-commuting quantum observables results in a joint probability distribution for all output combinations that can be explained…”
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A possible solution to the which-way problem of quantum interference by Hofmann, Holger F., Matsushita, Tomonori, Kuroki, Shunichi, Iinuma, Masataka

“…It is commonly assumed that the observation of an interference pattern is incompatible with any information about the path taken by a quantum particle. Here we…”
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Realization of a Knill-Laflamme-Milburn controlled-NOT photonic quantum circuit combining effective optical nonlinearities by Okamoto, Ryo, O'Brien, Jeremy L, Hofmann, Holger F, Takeuchi, Shigeki

“…Quantum information science addresses how uniquely quantum mechanical phenomena such as superposition and entanglement can enhance communication, information…”
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Evaluation of bipartite entanglement between two optical multi-mode systems using mode translation symmetry by Wu, Jun-Yi, Hofmann, Holger F

“…Optical multi-mode systems provide large scale Hilbert spaces that can be accessed and controlled using single photon sources, linear optics and photon…”
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Complementary classical fidelities as an efficient criterion for the evaluation of experimentally realized quantum operations by HOFMANN, Holger F

“…It is shown that a good estimate of the fidelity of an experimentally realized quantum process can be obtained by measuring the outputs for only two…”
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Weak measurement of photon polarization by back-action-induced path interference by Iinuma, Masataka, Suzuki, Yutaro, Taguchi, Gen, Kadoya, Yutaka, Hofmann, Holger F

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An Entanglement Filter by Okamoto, Ryo, O'Brien, Jeremy L., Hofmann, Holger F., Nagata, Tomohisa, Sasaki, Keiji, Takeuchi, Shigeki

“…The ability to filter quantum states is a key capability in quantum information science and technology, in which one-qubit filters, or polarizers, have found…”
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Radiation pattern of plasmonic nano-antennas in a homogeneous medium by Sugita, Takafumi, Yanazawa, Kaori, Maeda, Satoshi, Hofmann, Holger F, Kadoya, Yutaka

“…Radiation patterns from plasmonic nano-antennas formed on a glass substrate were investigated using index-matching oils. It was confirmed that the pattern from…”
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Derivation of the statistics of quantum measurements from the action of unitary dynamics by Hibino, Keito, Fujiwara, Kazuya, Wu, Jun-Yi, Iinuma, Masataka, Hofmann, Holger F.

“… Quantum statistics is defined by Hilbert space products between the eigenstates associated with state preparation and measurement. The same Hilbert space…”
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