Prof. Holger Friedrich Hofmann Profile

Prof. Holger Friedrich Hofmann

Professor at Hiroshima Univ

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Author

Publications (13)

Proceedings Article | 4 October 2024 Presentation + Paper

Counterfactual control and quantum contextuality in multi-mode interferometers

Holger Hofmann, Jonte Hance, Tomonori Matsushita, Ming Ji, Masataka Iinuma

Proceedings Volume 13148, 1314809 (2024) https://doi.org/10.1117/12.3027375

KEYWORDS: Photons, Quantum interferometry, Quantum particles, Quantum measurement, Quantum probability, Quantum interference, Quantum control, Quantum computing, Reflectivity, Quantum statistics

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Proceedings Article | 3 October 2023 Presentation + Paper

Contextuality and inequality violations in a three-path interferometer

Ming Ji, Masataka Iinuma, Holger Hofmann

Proceedings Volume 12692, 1269204 (2023) https://doi.org/10.1117/12.2674958

KEYWORDS: Photons, Beam splitters, Wave propagation, Quantum particles, Quantum interference, Quantum amplitude, Wave propagation interference, Quantum probability, Interferometers

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Proceedings Article | 4 October 2022 Presentation + Paper

Probing the path information hidden in the quantum fluctuations of interference patterns

Holger Hofmann, Tomonori Matsushita, Shunichi Kuroki, Masataka Iinuma

Proceedings Volume 12238, 1223808 (2022) https://doi.org/10.1117/12.2631582

KEYWORDS: Constructive interference, Coherence (statistics), Particles, Polarization, Photons, Quantum information, Destructive interference, Interferometers, Single photon, Quantum mechanics

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Proceedings Article | 1 August 2021 Presentation + Paper

Phase matching between energy-time entanglement and two photon absorption processes

Holger Hofmann, Baihong Li

Proceedings Volume 11835, 118350P (2021) https://doi.org/10.1117/12.2593479

KEYWORDS: Absorption, Phase matching, Dispersion, Entangled states, Phase shifts, Optical parametric oscillators, Nonlinear optical materials, Nonlinear optics

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Proceedings Article | 22 August 2020 Presentation + Paper

Exploring energy-time entanglement using the dynamics of two-photon absorption

Baihong Li, Holger Hofmann

Proceedings Volume 11507, 115070K (2020) https://doi.org/10.1117/12.2567320

KEYWORDS: Quantum optics, Quantum state engineering, Quantum process tomography, Absorption, Correlation function, Entangled states, Photodetectors, Transient nonlinear optics, Superposition, Two photon detectors

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Proceedings Article | 6 September 2019 Presentation + Paper

Time of flight paradox for photons in a dispersive medium

Holger Hofmann

Proceedings Volume 11134, 111340H (2019) https://doi.org/10.1117/12.2527217

KEYWORDS: Photons, Particles, Wave propagation, Superposition, Dispersion, Quantum physics, Free space, Single photon, Time metrology

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Proceedings Article | 18 September 2018 Presentation + Paper

A statistical analysis of single photon propagation: how quantum interference modifies the laws of motion

Holger Hofmann

Proceedings Volume 10771, 1077115 (2018) https://doi.org/10.1117/12.2319573

KEYWORDS: Particles, Wave propagation, Statistical analysis, Single photon, Quantum mechanics, Superposition, Quantum physics, Wave propagation interference, Free space, Quantum optics

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Proceedings Article | 30 August 2017 Presentation + Paper

Photon number statistics of entanglement generated by multiple single photon sources

Junyi Wu, Holger Hofmann

Proceedings Volume 10409, 1040904 (2017) https://doi.org/10.1117/12.2272906

KEYWORDS: Single photon, Beam splitters, Entangled states

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Proceedings Article | 7 December 2016 Presentation

Realization of a quantum controlled-SWAP gate with photonic circuits (Conference Presentation)

Shigeki Takeuchi, Takafumi Ono, Ryo Okamoto, Masato Tanida, Holger Hofmann

Proceedings Volume 9980, 99800B (2016) https://doi.org/10.1117/12.2237398

KEYWORDS: Quantum information, Quantum circuits, Photonic integrated circuits, Data storage, Superposition, Quantum communications, Data processing, Precision measurement, Visibility

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Proceedings Article | 30 August 2010 Paper

How can we minimize errors in a linear-optics quantum gate?

Tomohisa Nagata, Ryo Okamoto, Masato Tanida, Holger Hofmann, Shigeki Takeuchi

Proceedings Volume 7815, 78150E (2010) https://doi.org/10.1117/12.868214

KEYWORDS: Error analysis, Reflectivity, Polarization, Quantum communications, Current controlled current source, Beam splitters, Phase shifts, Birefringence, Optical components, Photons

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Proceedings Article | 29 August 2006 Paper

Characterization of errors in quantum processes using finite sets of test measurements

Holger Hofmann

Proceedings Volume 6305, 63050F (2006) https://doi.org/10.1117/12.678878

KEYWORDS: Error analysis, Quantum communications, Quantum information, Statistical analysis, Quantum computing, Tomography, Quantum process tomography, Measurement devices, Data modeling, Process modeling

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Proceedings Article | 15 September 2005 Paper

Quantum phase gate using single atom nonlinearlity

Shigeki Takeuchi, Hisaki Oka, Kunihiro Kojima, Holger Hofmann, Keiji Sasaki

Proceedings Volume 5893, 58930K (2005) https://doi.org/10.1117/12.618045

KEYWORDS: Chemical species, Systems modeling, Mirrors, Phase shifts, Finite-difference time-domain method, Quantum computing, Complex systems, Quantum cryptography, Nonlinear optics, Photodetectors

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Proceedings Article | 19 October 2004 Paper

Distinguishing genuine entangled two-photon polarization states from independently generated pairs of entangled photons

Shigeki Takeuchi, Kenji Tsujino, Holger Hofmann, Keiji Sasaki

Proceedings Volume 5551, (2004) https://doi.org/10.1117/12.562101

KEYWORDS: Photon polarization, Polarization, Quantum communications

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Showing 5 of 13 publications

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