HOFMANN HOLGER FRIEDRICHHOLGER FRIEDRICH HOFMANN
Last Updated :2021/01/05
- 所属・職名
- 大学院先進理工系科学研究科 教授
- メールアドレス
- hofmann
hiroshima-u.ac.jp
基本情報
学位
- 理学博士 (シュツットガルト大学)
- 物理学修士 (シュツットガルト大学)
研究分野
- 数物系科学 / 物理学 / 原子・分子・量子エレクトロニクス
研究キーワード
教育活動
授業担当
- 2020年, 教養教育, 1ターム, 物理学の原理
- 2020年, 学部専門, 3ターム, 電気磁気学II
- 2020年, 学部専門, 3ターム, 電気磁気学演習II
- 2020年, 修士課程・博士課程前期, セメスター(前期), 応用量子科学コースセミナー
- 2020年, 修士課程・博士課程前期, セメスター(後期), 応用量子科学コースセミナー
- 2020年, 修士課程・博士課程前期, セメスター(前期), 電子工学セミナーA
- 2020年, 修士課程・博士課程前期, セメスター(後期), 電子工学セミナーB
- 2020年, 修士課程・博士課程前期, 年度, 電子工学プレゼンテーション演習
- 2020年, 修士課程・博士課程前期, 年度, 電子工学プレゼンテーション演習
- 2020年, 修士課程・博士課程前期, 1ターム, 電子工学特別演習A
- 2020年, 修士課程・博士課程前期, 2ターム, 電子工学特別演習A
- 2020年, 修士課程・博士課程前期, 3ターム, 電子工学特別演習B
- 2020年, 修士課程・博士課程前期, 4ターム, 電子工学特別演習B
- 2020年, 修士課程・博士課程前期, 年度, 量子物質科学特別研究
- 2020年, 修士課程・博士課程前期, 年度, 量子物質科学特別研究
- 2020年, 博士課程・博士課程後期, 年度, 量子物質科学特別研究
研究活動
学術論文(★は代表的な論文)
- Contextuality of quantum fluctuations characterized by conditional weak values of entangled states, Physical Review A, 102巻, pp. 062215
- Exploring energy-time entanglement using the dynamics of two-photon absorption, Proc. SPIE, 11507巻, pp. 115070K
- Time of flight paradox for photons in a dispersive medium, Proc. SPIE, 11134巻, pp. 111340H
- Direct and efficient verification of entanglementbetween two multimode–multiphoton systems, Optica, 7巻, pp. 1517-1523, 20201029
- Quantum causality relations and the emergence of reality from coherent superpositions, Foundations of Physics, 20200518
- What Does the Operator Algebra of Quantum Statistics Tell Us about the Objective Causes of Observable Effects?, ENTROPY, 22巻, 6号, 202006
- ★, The role of system–meter entanglement in controlling the resolution
and decoherence of quantum measurements, New Journal of Physics, 21巻, pp. 103006-1-103006-11, 20191001
- Local measurement uncertainties impose a limit on nonlocal quantum correlations, Physical Review A, 100巻, pp. 012123, 20190722
- Quantum enhancement of sensitivity achieved by photon-number-resolving detection in the dark port of a two-path interferometer operating at high intensities, Physical Review A, 100巻, pp. 013814, 20190709
- Experimental evaluation of the nonclassical relation between measurement errors using entangled photon pairs as a probe, Physical Review A, 98巻, pp. 062109, 20181207
- Experimental evaluation of the nonclassical relation between measurement errors using entangled photon pairs as a probe, PHYSICAL REVIEW A, 98巻, 6号, 20181207
- Photon number statistics of entanglement generated by multiple single photon sources, Proc. SPIE, 10409巻, pp. 1040904
- A statistical analysis of single photon propagation: how quantum interference modifies the laws of motion, Proc. SPIE, 10771巻, pp. 1077115
- Dynamics and statistics in the operator algebra of quantum mechanics, Reality and Measurement in Algebraic Quantum Theory, NWW 2015, Nagoya, Japan, March 9-13, Springer Proceedings in Mathematics and Statistics, Springer Nature Singapore 2018, pp. 179-194
- Control of particle propagation beyond the uncertainty limit by interference between position and momentum, PHYSICAL REVIEW A, 98巻, 5号, 20181106
- Derivation of the statistics of quantum measurements from the action of unitary dynamics, EUROPEAN PHYSICAL JOURNAL PLUS, 133巻, 3号, 20180323
- Evaluation of bipartite entanglement between two optical multi-mode systems using mode translation symmetry, NEW JOURNAL OF PHYSICS, 19巻, 20171025
- ★, Quantum interference of position and momentum: A particle propagation paradox, PHYSICAL REVIEW A, 96巻, 2号, 20170828
- Implementation of a quantum controlled-SWAP gate with photonic circuits, SCIENTIFIC REPORTS, 7巻, 20170331
- Observation of non-classical correlations in sequential measurements of photon polarization, NEW JOURNAL OF PHYSICS, 18巻, 20161025
- Quantum effects in the interference of photon number states, PHYSICAL REVIEW A, 94巻, 4号, 20161010
- ★, On the fundamental role of dynamics in quantum physics, EUROPEAN PHYSICAL JOURNAL D, 70巻, 5号, 20160524
- Experimental evaluation of nonclassical correlations between measurement outcomes and target observable in a quantum measurement, PHYSICAL REVIEW A, 93巻, 3号, 20160302
- Characterization of measurement uncertainties using the correlations between local outcomes obtained from maximally entangled pairs, PHYSICAL REVIEW A, 92巻, 4号, 20151019
- Reasonable conditions for joint probabilities of non-commuting observables, Quantum Studies: Mathematics and Foundations, 1巻, 1号, pp. 39-45, 20140705
- ★, Quantum paradoxes originating from the nonclassical statistics of physical properties related to each other by half-periodic transformations, PHYSICAL REVIEW A, 91巻, 6号, 20150622
- Derivation of quantum mechanics from a single fundamental modification of the relations between physical properties, PHYSICAL REVIEW A, 89巻, 4号, 20140424
- Simultaneous suppression of time and energy uncertainties in a single-photon frequency-comb state, PHYSICAL REVIEW A, 89巻, 5号, 20140515
- Radiation pattern of plasmonic nano-antennas in a homogeneous medium, OPTICS EXPRESS, 22巻, 11号, pp. 13263-13268, 20140602
- Sequential measurements of non-commuting observables with quantum controlled interactions, NEW JOURNAL OF PHYSICS, 16巻, 20140624
- Direct observation of temporal coherence by weak projective measurements of photon arrival time, PHYSICAL REVIEW A, 87巻, 6号, 20130619
- An investigation of the transfer dynamics of quantum teleportation by weak measurement statistics, JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 46巻, 24号, 20130621
- Quantum effects in the interaction of off-resonant coherent light with a single atom, PHYSICAL REVIEW A, 88巻, 1号, 20130708
- Optimal multi-photon phase sensing with a single interference fringe, SCIENTIFIC REPORTS, 3巻, 20130925
- ★, Complex joint probabilities as expressions of reversible transformations in quantum mechanics, NEW JOURNAL OF PHYSICS, 14巻, 20120424
- Clock synchronization using maximal multipartite entanglement, PHYSICAL REVIEW A, 86巻, 1号, 20120702
- ★, How Weak Values Emerge in Joint Measurements on Cloned Quantum Systems, PHYSICAL REVIEW LETTERS, 109巻, 2号, 20120713
- Analysis of the time-energy entanglement of down-converted photon pairs by correlated single-photon interference, PHYSICAL REVIEW A, 86巻, 4号, 20121015
- Violation of Leggett-Garg inequalities in quantum measurements with variable resolution and back-action, NEW JOURNAL OF PHYSICS, 14巻, 20121016
- Estimation of a quantum interaction parameter using weak measurements: Theory and experiment, PHYSICAL REVIEW A, 86巻, 4号, 20121022
- Uncertainty limits for quantum metrology obtained from the statistics of weak measurements, PHYSICAL REVIEW A, 83巻, 2号, 20110222
- Weak measurement of photon polarization by back-action-induced path interference, NEW JOURNAL OF PHYSICS, 13巻, 20110331
- Realization of a Knill-Laflamme-Milburn controlled-NOT photonic quantum circuit combining effective optical nonlinearities, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 108巻, 25号, pp. 10067-10071, 20110621
- Time-resolved measurement of the quantum states of photons using two-photon interference with short-time reference pulses, PHYSICAL REVIEW A, 84巻, 3号, 20110913
- On the role of complex phases in the quantum statistics of weak measurements, NEW JOURNAL OF PHYSICS, 13巻, 20111011
- Interferometric weak measurement of photon polarization, AIP conference proceedings, 1363巻, pp. 145-148, 20111201
- ★, Complete characterization of post-selected quantum statistics using weak measurement tomography, PHYSICAL REVIEW A, 81巻, 1号, 201001
- Effects of photon losses on phase estimation near the Heisenberg limit using coherent light and squeezed vacuum, PHYSICAL REVIEW A, 81巻, 3号, 201003
- Analysis of experimental error sources in a linear-optics quantum gate, NEW JOURNAL OF PHYSICS, 12巻, 20100430
- ★, Directional control of light by a nano-optical Yagi-Uda antenna, NATURE PHOTONICS, 4巻, 5号, pp. 312-315, 201005
- ★, An Entanglement Filter, SCIENCE, 323巻, 5913号, pp. 483-485, 20090123
- ★, All path-symmetric pure states achieve their maximal phase sensitivity in conventional two-path interferometry, PHYSICAL REVIEW A, 79巻, 3号, 200903
- Pulse-shape effects on photon-photon interactions in nonlinear optical quantum gates, PHYSICAL REVIEW A, 80巻, 1号, 200907
- How to simulate a universal quantum computer using negative probabilities, JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 42巻, 27号, 20090710
- Reconstruction of spatial qutrit states based on realistic measurement operators, PHYSICAL REVIEW A, 80巻, 6号, 200912
- Quantum enhancement of N-photon phase sensitivity by interferometric addition of down-converted photon pairs to weak coherent light, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 41巻, 9号, 20080514
- Measurement and control of spatial qubits generated by passing photons through double slits, PHYSICAL REVIEW A, 78巻, 1号, 200807
- Beating the standard quantum limit: phase super-sensitivity of N-photon interferometers, NEW JOURNAL OF PHYSICS, 10巻, 20080718
- ★, Design parameters for a nano-optical Yagi-Uda antenna, NEW JOURNAL OF PHYSICS, 9巻, 20070706
- ★, High-photon-number path entanglement in the interference of spontaneously down-converted photon pairs with coherent laser light, PHYSICAL REVIEW A, 76巻, 3号, 200709
- Accidental cloning of a single-photon qubit in two-channel continuous-variable quantum teleportation, PHYSICAL REVIEW A, 75巻, 6号, JUN 2007
- Generation of a highly phase sensitive polarization squeezed N-photon state by collinear parametric downconversion and photon subtraction, Physical Review A, 74巻, pp. 013808, 20060401
- Optimal cloning of single photon polarization by coherent feedback of beam splitter losses, New Journal of Physics, 8巻, pp. 130, 20060401
- Analysis of an experimental quantum logic gate by complementary classical operations, Modern Physics Letters A, 21巻, pp. 1837, 20060401
- A study on the shape of two-photon wavefunctions after the nonlinear interaction with a one-dimensional atom, Nonlinear Optics= Quantum Optics, 32巻, pp. 221, 20050401
- ★, Complementary classical fidelities as an efficient criterion for the evaluation of experimentally realized quantum operations, Physical Review Letters, 94巻, pp. 160504, 20050401
- Quantum parallelism of the controlled-NOT operation: an experimental criterion for the evaluation of device performance, Physical Review A, 72巻, pp. 022329, 20050401
- Simulation of interaction Hamiltonians by quantum feedback: a comment on the dynamics of information exchange between coupled systems, Journal of Optics B: Quantum and Semicalssical Optics, 7巻, pp. S208-S214, 20050401
- ★, Demonstration of an optical quantum controlled-NOT gate without path interference, Physical Review Letters, 95巻, pp. 210506, 20050401
- Simulation of interaction Hamiltonians by quantum feedback: a comment on the dynamics of information exchange between coupled systems, JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS, 7巻, 10号, pp. S208-S214, 200510
- Distinguishing genuine entangled two-photon polarization states from independently genarated entangled photons, Physical Review Letters, 92巻, pp. 153602, 20040401
- Quantum-state tomography for spin-l systems, Physical Review A, 69巻, pp. 042108, 20040401
- Efficiencies for the single-mode operation of a quantum optical nonlinear shift gate, Physical Review A, 70巻, pp. 013810, 20040401
- Generation of highly non-classical n-photon polarization states by superbunching at a photon bottleneck, Physical Review A, 70巻, pp. 023812, 20040401
- Effects of decoherence on the nonlinear optical phase shift obtained from a one-dimensional atom, Japanese Journal of Applied Physics, 43巻, pp. 7495, 20040401
- Uncertainty characteristics of generalized quantum measurements, Physical Review A, 67巻, pp. 022106, 20030401
- ★, Optimized phase switching using a single-atom nonlinearity, Journal of Optics B: Quantum and Semiclassical Optics, 5巻, pp. 218-221, 20030401
- Nonlinear interaction of two photons with a one-dimensional atom: spatiotemporal quantum coherence in the emitted field, Physical Review A, 68巻, pp. 013803, 20030401
- ★, Violation of local uncertainty relations as a signature of entanglement, Physical Review A, 68巻, pp. 032103, 20030401
- Bound entangled states violate a non-symmetric local uncertainty relation, Physical Review A, 68巻, pp. 034307, 20030401
- Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom, Physical Review A, 68巻, pp. 043813, 20030401
- Continuous-variable teleportation of single-photon states, Physical Review A, 65巻, pp. 012313, 20020401
- Photon echo signature of vibrational superposition states created by femtosecond excitation of molecules, Journal of Optics B: Quantum and Semiclassical Optics, 4巻, pp. 99-102, 20020401
- Quantum filter for nonlocal polarization properties of photonic qubits, Physical Review Letters, 88巻, pp. 147901, 20020401
- Gain tuning and fidelity in continuous variable quantum teleportation, Physical Review A, 65巻, pp. 062303, 20020401
- ★, Quantum phase gate for photonic qubits using only beam splitters and postselection, Physical Review A, 66巻, pp. 024308, 20020401
- Causality in quantum teleportation: Information extraction and noise effects in entanglement distribution, Physical Review A, 66巻, pp. 032317, 20020401
- Finite resolution measurement of the non-classical polarization statistics of entangled photon pairs, Physical Review A, 63巻, pp. 042106, 20010401
- Information losses in continuous variable quantum teleportation, Physical Review A, 64巻, pp. 040301(R), 20010401
- Nonclassical correlations of phase noise and photon number in quantum nondemolition measurements, Physical Review A, 61巻, pp. 033815, 20000401
- Information and noise in quantum measurement, Physical Review A, 62巻, pp. 022103, 20000401
- Nonclassical correlations of photon number and field components in the vacuum state, Physical Review A, 62巻, pp. 013806, 20000401
- Thermal photon statistics in laser light above threshold, Physical Review A, 62巻, pp. 063807, 20000401
- Coexistence of thermal noise and squeezing in the intensity fluctuations of small laser diodes, Journal of the Optical Society of America B, 17巻, pp. 1926-1933, 20000401
- ★, Fidelity and information in the quantum teleportation of continuous variables, Physical Review A, 62巻, pp. 062304, 20000401
- Spatial holeburning effects in the amplified spontaneous emission spectra of the non-lasing supermode in semiconductor laser arrays, Journal of the Optical Society of America B, 16巻, pp. 137-146, 19990401
- Quantum Maxwell-Bloch equations for spatially inhomogeneous semiconductor lasers, Physical Review A, 59巻, pp. 2342-2358, 19990401
- Polarization fluctuations in vertical cavity surface emitting lasers: a key to the mechanism behind polarization stability, Quantum and Semiclassical Optics, 10巻, pp. 87-96, 19980401
- Quantum control by compensation of quantum fluctuations, Optics Express, 2巻, pp. 339-346, 19980401
- Spontaneous emission spectrum of the non-lasing supermodes in semiconductor laser arrays, Optics Letters, 23巻, pp. 391-393, 19980401
- Quantum control of atomic systems by homodyne detection and feedback, Physical Review A, 57巻, pp. 4877-4888, 19980401
- Quantum noise and polarization fluctuations in vertical cavity surfac emitting lasers, Physical Review A, 56巻, pp. 868-876, 19970401
- A dynamical model of the chemical bond, Pflugers Arch - European Journal of Physiology, 18巻, pp. 354-362, 19970401
- The split density model: a unified description of polarization and array dynamics for vertical cavity surface emitting lasers, Quantum and Semiclassical Optics, 9巻, pp. 749-763, 19970401
- Illumination induced inhomogeneity in the carrier density profile of split gate devices, Semiconductor Science and technology, 11巻, pp. 1085-1089, 19960401
- Measurement models for time-resolved spectroscopy: a comment, Quantum and Semiclassical Optics, 7巻, pp. 489-497, 19950401
招待講演、口頭・ポスター発表等
- Feedback compensation reveals the contextuality of quantum fluctuations, Holger F. Hofmann, OSA Frontiers in Optics, 2020年09月16日, 招待, 英語, OSA Quantum Optical Science and Technology Technical Group, online, OSA 20x20 talk
- Exploring energy-time entanglement using the dynamics of two-photon absorption, Baihong Li, Holger F. Hofmann, SPIE Quantum Communications and Quantum Imaging XVII, 2020年08月24日, 招待, 英語, SPIE, held online from USA
- Quantum interference, causality, and the physics of control, Holger F. Hofmann, Quantum Foundations: Measurement & Entanglement, 2020年02月10日, 招待, 英語, KEK Tsukuba, KEK Tsukuba
- Quantum interactions and the physics of control, Holger F. Hofmann, QIPQC 2019, 2019年12月10日, 招待, 英語, IAR, Nagoya University and FRIAS, Freiburg University, Sakata-Hirata Hall, Nagoya University
- Time of flight paradox for photons in a dispersive medium, Holger F. Hofmann, SPIE Optics and Photonics 2019, 2019年08月11日, 招待, 英語, SPIE, San Diego Convention Center, SanDiego, California, USA
- When is experience objective? - Measurement interactions and the emergence of reality, H. F. Hofmann, Quantum Information Revolution: Impact on Foundations, 2019年06月11日, 招待, 英語, Linnaeus Univeristy, Linnaeus Univeristy, Vaxjo, Sweden
- A statistical analysis of single photon propagation: How quantum interference modifies the laws of motion, H. F. Hofmann, SPIE Quantum Communications and Quantum Imaging XVI, 2018年08月20日, 招待, 英語, SPIE, San Diego Convention Center, San Diego, California, USA
- Quantum Mechanics as a Theory of Cause and Effect: Why there is no Reality without a Corresponding Action, H. F. Hofmann, 7th International Conference on New Frontiers in Physics (ICNFP 2018), 2018年07月11日, 招待, 英語, Orthodox Academy of Crete, Kolymbari, Greece
- Superpositions of causality: and analysis of the mechanism of control in the quantum limit, H.F. Hofmann, 3rd International Conference on Quantum Foundations, ICQF-17, 2017年12月07日, 招待, 英語, National Institute of Technology Patna, Patna, India
- Photon number statistics of entanglement generated by multiple single photon sources, J.-Y. Wu, H. F. Hofmann, SPIE Quantum Communications and Quantum Imaging XV Conference, 2017年08月06日, 招待, 英語, SPIE, San Diego Convention Center, San Diego, California, USA
- Fundamental Investigations into the non-classical nature of quantum correlations, Holger F. Hofmann, JPS 2016 Autumn Meeting, 2016年09月14日, 招待, 英語, Japanese Physical Society, Kanazawa University, Japan
- Why interactions matter: how the laws of dynamics determine the shape of physical reality, Holger F. Hofmann, Concepts and Paradoxes in a Quantum Universe, 2016年06月24日, 招待, 英語, Perimeter Institute, Waterloo, Canada, Perimeter Institute, Waterloo, Canada, Quantum statistics can be explained by the laws of motion governing the dynamics of quantum systems. The origin of uncertainty is traced to the dynamics of the state preparation process.
- How to uncover the physics of quantum correlations through combinations of weak and strong measurements, H.F. Hofmann, International Workshop on Weak Value and Weak Measurement, 2015年03月19日, 招待, 英語, Tokyo Institute of Technology, Tokyo Institute of Technology, Ookayama Campus, Tokyo, Japan
- From experimental evidence to quantum physics:
what measurement reveals about the dynamical structure of reality, H.F. Hofmann, Nagoya Winter Workshop 2015, 2015年03月09日, 招待, 英語, Nagoya University, Nagoya University, Nagoya, Japan
- Why complex probabilities make sense: New insights into the relations between weak measurements, paradoxical correlations, and causality in quantum systems, Holger F. Hofmann, AQIS 2014, 2014年08月21日, 招待, 英語, Asian Quantum Information Science Conference, Shiran Kaikan, Kyoto University, Kyoto, Japan
受賞
- 2020年09月23日, IOP trusted reviewer, IOP publishing, IOP trusted reviewer
- 2015年01月09日, APS Outstanding Referee, American Physical Society, Outstanding Referee
- 2015年06月17日, OSA Senior Membership, Optical Society of America, OSA Senior Member
社会活動
学術会議等の主催
- 第 38 回量子情報技術研究会, 2018年06月
学術雑誌論文査読歴
- 2020年, The European Physical Journal D, その他, Referee, 1
- 2020年, Scientific Reports, その他, Referee, 1
- 2020年, Entropy, 編集員, Guest Editor
- 2020年, New Journal of Physics, その他, Referee, 2
- 2020年, Foundations of Physics, その他, Referee, 2
- 2020年, Physical Review, その他, Referee, 13
- 2019年, Physical Review A, その他, Referee, 4
- 2019年, New Journal of Physics, その他, Referee, 1
- 2019年, Optica, その他, Referee, 1
- 2018年, Physical Review, その他, Referee, 4
- 2018年, New Journal of Physics, その他, Referee, 1
- 2018年, Nature Physics, その他, Reviewer, 1
- 2018年, Quantum Studies: Mathematics and Foundations, その他, Referee, 1
- 2017年, Physical Review, その他, Referee, 4
- 2017年, Journal of Physics A, その他, Referee, 1
- 2017年, Quantum Science and Technology, その他, Referee, 1
- 2016年, Physical Review, Referee, 6
- 2016年, Scientific Reports, その他, Referee, 1
- 2015年, Physical Review, その他, Referee, 9
- 2015年, New Journal of Physics, その他, Referee, 1
- 2015年, Journal of Physics A, その他, Referee, 1
- 2014年, Physical Review A, その他, Referee, 12