HOLGER FRIEDRICH HOFMANN

Last Updated :2019/11/01

Affiliations, Positions
Graduate School of Advanced Sciences of Matter, ., Associate Professor
E-mail
hofmannhiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Doctor of Science, University of Stuttgart
  • Master, University of Stuttgart

Research Fields

  • Mathematical and physical sciences;Physics;Atomic / Molecular / Quantum electronics

Research Keywords

  • Quantum Optics, Quantum Information, Foundations of Quantum Theory

Educational Activity

Course in Charge

  1. 2019, Liberal Arts Education Program1, 1Term, Principles of Physics
  2. 2019, Undergraduate Education, 3Term, Electromagnetism II
  3. 2019, Undergraduate Education, 3Term, Exercise of Electromagnetism II
  4. 2019, Graduate Education (Master's Program) , First Semester, Seminar on Applied Quantum Sciences
  5. 2019, Graduate Education (Master's Program) , Second Semester, Seminar on Applied Quantum Sciences
  6. 2019, Graduate Education (Master's Program) , First Semester, Quantum Optics
  7. 2019, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter Ｉ
  8. 2019, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum MatterII

Research Activities

Academic Papers

  1. Design parameters for a nano-optical Yagi-Uda antenna, NEW JOURNAL OF PHYSICS, 9, 20070706
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  2. High-photon-number path entanglement in the interference of spontaneously down-converted photon pairs with coherent laser light, PHYSICAL REVIEW A, 76(3), 200709
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  3. 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(9), 20080514
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  4. Measurement and control of spatial qubits generated by passing photons through double slits, PHYSICAL REVIEW A, 78(1), 200807
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  5. Beating the standard quantum limit: phase super-sensitivity of N-photon interferometers, NEW JOURNAL OF PHYSICS, 10, 20080718
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  6. An Entanglement Filter, SCIENCE, 323(5913), 483-485, 20090123
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  7. All path-symmetric pure states achieve their maximal phase sensitivity in conventional two-path interferometry, PHYSICAL REVIEW A, 79(3), 200903
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  8. How to simulate a universal quantum computer using negative probabilities, JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 42(27), 20090710
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  9. Pulse-shape effects on photon-photon interactions in nonlinear optical quantum gates, PHYSICAL REVIEW A, 80(1), 200907
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  10. Reconstruction of spatial qutrit states based on realistic measurement operators, PHYSICAL REVIEW A, 80(6), 200912
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  11. Complete characterization of post-selected quantum statistics using weak measurement tomography, PHYSICAL REVIEW A, 81(1), 201001
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  12. Directional control of light by a nano-optical Yagi-Uda antenna, NATURE PHOTONICS, 4(5), 312-315, 201005
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  13. Effects of photon losses on phase estimation near the Heisenberg limit using coherent light and squeezed vacuum, PHYSICAL REVIEW A, 81(3), 201003
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  14. Uncertainty limits for quantum metrology obtained from the statistics of weak measurements, PHYSICAL REVIEW A, 83(2), 20110222
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  15. Weak measurement of photon polarization by back-action-induced path interference, NEW JOURNAL OF PHYSICS, 13, 20110331
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  16. 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(25), 10067-10071, 20110621
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  17. Time-resolved measurement of the quantum states of photons using two-photon interference with short-time reference pulses, PHYSICAL REVIEW A, 84(3), 20110913
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  18. On the role of complex phases in the quantum statistics of weak measurements, NEW JOURNAL OF PHYSICS, 13, 20111011
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  19. Measurement models for time-resolved spectroscopy: a comment, Quantum and Semiclassical Optics, 7, 489-497, 19950401
  20. Quantum control of atomic systems by homodyne detection and feedback, Physical Review A, 57, 4877-4888, 19980401
  21. Thermal photon statistics in laser light above threshold, Physical Review A, 62, 063807, 20000401
  22. Coexistence of thermal noise and squeezing in the intensity fluctuations of small laser diodes, Journal of the Optical Society of America B, 17, 1926-1933, 20000401
  23. Fidelity and information in the quantum teleportation of continuous variables, Physical Review A, 62, 062304, 20000401
  24. Information losses in continuous variable quantum teleportation, Physical Review A, 64, 040301(R), 20010401
  25. Continuous-variable teleportation of single-photon states, Physical Review A, 65, 012313, 20020401
  26. Quantum filter for nonlocal polarization properties of photonic qubits, Physical Review Letters, 88, 147901, 20020401
  27. Gain tuning and fidelity in continuous variable quantum teleportation, Physical Review A, 65, 062303, 20020401
  28. Quantum phase gate for photonic qubits using only beam splitters and postselection, Physical Review A, 66, 024308, 20020401
  29. Causality in quantum teleportation: Information extraction and noise effects in entanglement distribution, Physical Review A, 66, 032317, 20020401
  30. Uncertainty characteristics of generalized quantum measurements, Physical Review A, 67, 022106, 20030401
  31. Optimized phase switching using a single-atom nonlinearity, Journal of Optics B: Quantum and Semiclassical Optics, 5, 218-221, 20030401
  32. Nonlinear interaction of two photons with a one-dimensional atom: spatiotemporal quantum coherence in the emitted field, Physical Review A, 68, 013803, 20030401
  33. Violation of local uncertainty relations as a signature of entanglement, Physical Review A, 68, 032103, 20030401
  34. Bound entangled states violate a non-symmetric local uncertainty relation, Physical Review A, 68, 034307, 20030401
  35. Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom, Physical Review A, 68, 043813, 20030401
  36. Distinguishing genuine entangled two-photon polarization states from independently genarated entangled photons, Physical Review Letters, 92, 153602, 20040401
  37. Quantum-state tomography for spin-l systems, Physical Review A, 69, 042108, 20040401
  38. Efficiencies for the single-mode operation of a quantum optical nonlinear shift gate, Physical Review A, 70, 013810, 20040401
  39. Generation of highly non-classical n-photon polarization states by superbunching at a photon bottleneck, Physical Review A, 70, 023812, 20040401
  40. Effects of decoherence on the nonlinear optical phase shift obtained from a one-dimensional atom, Japanese Journal of Applied Physics, 43, 7495, 20040401
  41. A study on the shape of two-photon wavefunctions after the nonlinear interaction with a one-dimensional atom, Nonlinear Optics= Quantum Optics, 32, 221, 20050401
  42. Complementary classical fidelities as an efficient criterion for the evaluation of experimentally realized quantum operations, Physical Review Letters, 94, 160504, 20050401
  43. Quantum parallelism of the controlled-NOT operation: an experimental criterion for the evaluation of device performance, Physical Review A, 72, 022329, 20050401
  44. 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, S208-S214, 20050401
  45. Demonstration of an optical quantum controlled-NOT gate without path interference, Physical Review Letters, 95, 210506, 20050401
  46. Generation of a highly phase sensitive polarization squeezed N-photon state by collinear parametric downconversion and photon subtraction, Physical Review A, 74, 013808, 20060401
  47. Optimal cloning of single photon polarization by coherent feedback of beam splitter losses, New Journal of Physics, 8, 130, 20060401
  48. Analysis of an experimental quantum logic gate by complementary classical operations, Modern Physics Letters A, 21, 1837, 20060401
  49. 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(10), S208-S214, 200510
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  50. Analysis of experimental error sources in a linear-optics quantum gate, NEW JOURNAL OF PHYSICS, 12, 20100430
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  51. Complex joint probabilities as expressions of reversible transformations in quantum mechanics, NEW JOURNAL OF PHYSICS, 14, 20120424
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  52. Clock synchronization using maximal multipartite entanglement, PHYSICAL REVIEW A, 86(1), 20120702
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  53. How Weak Values Emerge in Joint Measurements on Cloned Quantum Systems, PHYSICAL REVIEW LETTERS, 109(2), 20120713
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  54. Analysis of the time-energy entanglement of down-converted photon pairs by correlated single-photon interference, PHYSICAL REVIEW A, 86(4), 20121015
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  55. Estimation of a quantum interaction parameter using weak measurements: Theory and experiment, PHYSICAL REVIEW A, 86(4), 20121022
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  56. Violation of Leggett-Garg inequalities in quantum measurements with variable resolution and back-action, NEW JOURNAL OF PHYSICS, 14, 20121016
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  57. An investigation of the transfer dynamics of quantum teleportation by weak measurement statistics, JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 46(24), 20130621
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  58. Direct observation of temporal coherence by weak projective measurements of photon arrival time, PHYSICAL REVIEW A, 87(6), 20130619
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  59. Quantum effects in the interaction of off-resonant coherent light with a single atom, PHYSICAL REVIEW A, 88(1), 20130708
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  60. Optimal multi-photon phase sensing with a single interference fringe, SCIENTIFIC REPORTS, 3, 20130925
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  61. Derivation of quantum mechanics from a single fundamental modification of the relations between physical properties, PHYSICAL REVIEW A, 89(4), 20140424
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  62. Simultaneous suppression of time and energy uncertainties in a single-photon frequency-comb state, PHYSICAL REVIEW A, 89(5), 20140515
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  63. Radiation pattern of plasmonic nano-antennas in a homogeneous medium, OPTICS EXPRESS, 22(11), 13263-13268, 20140602
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  64. Sequential measurements of non-commuting observables with quantum controlled interactions, NEW JOURNAL OF PHYSICS, 16, 20140624
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  65. Quantum paradoxes originating from the nonclassical statistics of physical properties related to each other by half-periodic transformations, PHYSICAL REVIEW A, 91(6), 20150622
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  66. Reasonable conditions for joint probabilities of non-commuting observables, Quantum Studies: Mathematics and Foundations, 1(1), 39-45, 20140705
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  67. Characterization of measurement uncertainties using the correlations between local outcomes obtained from maximally entangled pairs, PHYSICAL REVIEW A, 92(4), 20151019
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  68. Experimental evaluation of nonclassical correlations between measurement outcomes and target observable in a quantum measurement, PHYSICAL REVIEW A, 93(3), 20160302
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  69. On the fundamental role of dynamics in quantum physics, EUROPEAN PHYSICAL JOURNAL D, 70(5), 20160524
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  70. Quantum effects in the interference of photon number states, PHYSICAL REVIEW A, 94(4), 20161010
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  71. Observation of non-classical correlations in sequential measurements of photon polarization, NEW JOURNAL OF PHYSICS, 18, 20161025
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  72. Implementation of a quantum controlled-SWAP gate with photonic circuits, SCIENTIFIC REPORTS, 7, 20170331
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  73. Quantum interference of position and momentum: A particle propagation paradox, PHYSICAL REVIEW A, 96(2), 20170828
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  74. Evaluation of bipartite entanglement between two optical multi-mode systems using mode translation symmetry, NEW JOURNAL OF PHYSICS, 19, 20171025
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  75. Derivation of the statistics of quantum measurements from the action of unitary dynamics, EUROPEAN PHYSICAL JOURNAL PLUS, 133(3), 20180323
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  76. Control of particle propagation beyond the uncertainty limit by interference between position and momentum, PHYSICAL REVIEW A, 98(5), 20181106
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  77. 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, 179-194
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  78. A statistical analysis of single photon propagation: how quantum interference modifies the laws of motion, Proc. SPIE, 10771, 1077115
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  79. Photon number statistics of entanglement generated by multiple single photon sources, Proc. SPIE, 10409, 1040904
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  80. Experimental evaluation of the nonclassical relation between measurement errors using entangled photon pairs as a probe, Physical Review A, 98, 062109, 20181207
  81. 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, 013814, 20190709
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  82. Local measurement uncertainties impose a limit on nonlocal quantum correlations, Physical Review A, 100, 012123, 20190722
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Invited Lecture, Oral Presentation, Poster Presentation

  1. Why interactions matter: how the laws of dynamics determine the shape of physical reality, Holger F. Hofmann, Concepts and Paradoxes in a Quantum Universe, 2016/06/24, With Invitation, 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.
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Awards

  1. 2015年01月09日, APS Outstanding Referee, American Physical Society, Outstanding Referee
  2. 2015年06月17日, OSA Senior Membership, Optical Society of America, OSA Senior Member

Social Activities

Organizing Academic Conferences, etc.

  1. QIT 38, 2018/06
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