Our Work

Quantum States of Light at Thermal Equilibrium Can Enable High-precision Sensing Technology

Being able to achieve quantum perfect squeezed light at a finite light-matter coupling point can enable unprecedented applications in quantum optics and information technology

Title of the paper: Perfect Intrinsic Squeezing at the Superradiant Phase Transition Critical Point

Authors: Kenji Hayashida, Takuma Makihara, Nicolas Marquez Peraca, Diego Fallas Padilla, Han Pu, Junichiro Kono, and Motoaki Bamba

DOI:

Article Link: https://arxiv.org/abs/2009.02630View Infographic

Superradiant Phase Transition—Bridging Quantum Optics, Thermodynamics, and Condensed Matter Physics

In this study, “magnonic superradiant phase transition” was confirmed for the first time in a physical system, a step towards bridging quantum optics, thermodynamics, and solid-state physics.

Title of the paper: Magnonic Superradiant Phase Transition

Authors: Motoaki Bamba, Xinwei Li, Nicolas Marquez Peraca, and Junichiro Kono

Article Link: https://arxiv.org/abs/2007.13263

Unconventional Photon Blockade in a Weakly Coupled Cavity Pair

Unconventional photon blockade can also be observed in two coupled cavities, potentially advancing single-photon based quantum technologies used in communication and imaging.

Title of the paper: Origin of strong photon antibunching in weakly nonlinear photonic molecules

Authors: Motoaki Bamba, Atac Imamoğlu, Iacopo Carusotto, and Cristiano Ciuti

DOI: 10.1103/PhysRevA.83.021802

Article Link: https://doi.org/10.1103/PhysRevA.83.021802

Theory Meets Experiment: Newly Verified Strategy to Generate Highly Squeezed Light

When light intensity is high enough to couple with matter very strongly, a Bloch–Siegert shift occurs, negating the standard approximation that matter can be excited into a higher energy level by absorbing a photon but never by emitting a photon.

Title of the paper 1: Quantum Squeezing Generation versus Photon Localization in a Disordered Planar Microcavity

Authors: Motoaki Bamba,* Simon Pigeon, and Cristiano Ciuti

DOI: 10.1103/PhysRevA.83.021802

Title of the paper 2: Polariton-generated intensity squeezing in semiconductor micropillars

Authors: Thomas Boulier, Motoaki Bamba, Albert Amo, Claire Adrados, Lemaitre Lemaitre, Elisabeth Galopin, Isabelle Sagnes, Jacqueline Bloch, Cristiano Ciuti, Elisabeth Giacobino and Albert Bramati

DOI: 10.1038/ncomms4260

Article Link for Paper 2

https://doi.org/10.1038/ncomms4260

Coupling Light and Matter to Experimentally Observe an Elusive Effect

This study experimentally explores a mechanism by which strongly confined polaritons could generate “squeezed light,” a continuous stream of photons with highly suppressed quantum fluctuations.

Title of the paper: Origin of strong photon antibunching in weakly nonlinear photonic molecules

Authors: Xinwei Li, Motoaki Bamba , Qi Zhang, Saeed Fallahi, Geoff C. Gardner, Weilu Gao , Minhan Lou, Katsumasa Yoshioka, Michael J. Manfra and Junichiro Kono

DOI: 10.1038/s41566-018-0153-0

Article Link: https://doi.org/10.1038/s41566-018-0153-0

Elusive Electromagnetic Thermal Phenomenon Reveals Its Presence in a Superconducting Circuit

Superradiant phase transition at thermal equilibrium, a phenomenon that could revolutionize the way we generate and use energy to power our world, has finally been discovered in a type of superconducting circuit.

Title of the paper: Superradiant Phase Transition in a Superconducting Circuit in Thermal Equilibrium

Authors: Motoaki Bamba, Kunihiro Inomata, and Yasunobu Nakamura

DOI: 10.1103/PhysRevLett.117.173601

Article Link: https://doi.org/10.1103/PhysRevLett.117.173601

Awards

Research Award by Research Foundation for Opto-Science and Technology
SubjectCreative research for advancing opto-science and technology
AwardeeMotoaki BAMBA
ThemeExploring physical systems showing super-radiant phase transitions
Date28 February 2018
PlaceHamamatsu, JAPAN
OrganizationResearch Foundation for Opto-Science and Technology

11th Young Scientist Award of the Physical Society of Japan
(Division 1: Atomic and Molecular physics, Quantum Electronics, Radiation)
AwardeeMotoaki BAMBA
ThemeTheoretical studies on the ultrastrong light matter coupling
Articles“Laser under ultrastrong light-matter interaction: Qualitative aspects and quantitative influences by level and mode truncations”
M. Bamba and T. Ogawa
Physical Review A 93, 033811 (2016)“Stability of polarizable materials against superradiant phase transition”
M. Bamba and T. Ogawa
Physical Review A 90, 063825 (2014)“Recipe for the Hamiltonian of system-environment coupling applicable to the ultrastrong-light-matter-interaction regime”
M. Bamba and T. Ogawa
Physical Review A 89, 023817 (2014)
Date18 March 2017
PlaceToyonaka, JAPAN
OrganizationThe Physical Society of Japan

11th Young Scientist Award of the Physical Society of Japan
(Division 5: Optical Properties of Condensed Matter)
AwardeeMotoaki BAMBA
ThemeSuperposition of light in free space and localized matters
Articles“Crossover of exciton-photon coupled modes in a finite system”
M. Bamba and H. Ishihara
Physical Review B 80, 125319 (2009)“Entangled-Photon Generation in Nano-to-Bulk Crossover Regime”
M. Bamba and H. Ishihara
Physical Review Letters 105, 123906 (2010)“Theory of the lifetime of an exciton incoherently created below its resonance frequency by inelastic scattering”
M. Bamba, S. Wakaiki, H. Ichida, K. Mizoguchi, D. Kim, M. Nakayama, and Y. Kanematsu
Physical Review B 91, 235205 (2015)
Date18 March 2017
PlaceToyonaka, JAPAN
OrganizationThe Physical Society of Japan

27th Inoue Research Award for Young Scientists
AwardeeMotoaki BAMBA
ThemeQuantum Electrodynamics of Excitons with Radiative Relaxation
Date4 February 2011
PlaceTokyo, JAPAN
OrganizationInoue Foundation for Science

Award for Encouragement of Research in Condensed Matter Photophysics
AwardeeMotoaki BAMBA
ThemeRadiative relaxation theory of excitons: weak confinement to bulk crossover
Date21 December 2007
PlaceOsaka, JAPAN
OrganizationAssociation for Condensed Matter Photophysics

Proceedings

  1. S. Wakaiki, H. Ichida, M. Bamba, T. Kawase, M. Kawakami, K. Mizoguchi, D. Kim, M. Nakayama, and Y. Kanematsu
    Emission-energy dependence of ultrafast P-emission decay in ZnO from bulk to nanofilm
    Journal of Luminescence 152, 250-253 (2014)
    18th International Conference on Dynamical Processes in Excited States of Solids
  2. H. Tahara, M. Bamba, Y. Ogawa, and F. Minami
    Coherent spectral change of four-wave mixing signals from exciton-polaritons in ZnSe epitaxial layer
    AIP Conference Proceedings 1566, 484-485 (2013)
    THE PHYSICS OF SEMICONDUCTORS: Proceedings of the 31st International Conference on the Physics of Semiconductors (ICPS) 2012
  3. M. Bamba and H. Ishihara
    Radiative decay theory of excitons in nano-to-macro crossover
    International School of Physics “Enrico Fermi” 171, 521 (2009)
    Proceedings of International School of Physics “Enrico Fermi”: Course CLXXI “Quantum Coherence in Solid State Systems”
  4. M. Bamba and H. Ishihara
    Radiative decay theory: What suppresses exciton superradiance?
    physica status solidi (c) 6(1), 128-132 (2009)
    Post-print
    Proceedings of 8th Internatioanl Conference on Excitonic Processes in Condensed Matter (EXCON’08)
  5. M. Bamba and H. Ishihara
    QED theory for excitons with microscopic nonlocality
    physica status solidi (c) 5(7), 2387-2390 (2008)
    Post-print
    Proceedings of 10th Conference on the “Optics of Excitons in Confined Systems” (OECS10)
  6. M. Bamba and H. Ishihara
    Entangled-photon generation via biexcitons in nano-structures
    physica status solidi (c) 3(10), 3460-3463 (2006)
    Post-print
    Proceedings of 7th Internatioanl Conference on Excitonic Processes in Condensed Matter (EXCON’06)

Conference Papers

  1. M. Bamba, X. Li, and J. Kono
    Terahertz strong-field physics without a strong external terahertz field
    Proceedings Volume 10916, Ultrafast Phenomena and Nanophotonics XXIII
    2-7 Feb 2019 (San Francisco, California, United States), 1091605 (Invited)
    arXiv:1901.06749 [cond-mat.mes-hall]
  2. M. Bamba, X. Li, and J. Kono
    Vacuum Bloch-Siegert Shift in Cyclotron Resonance
    IRMMW-THz2018, International Conference on Infrared, Millimeter, and Terahertz Waves
    9-14 Sep 2018 (Nagoya Congress Center, Nagoya, Japan), Th-A2-1a-1 (Invited)

Contact

+81-(0)75-753-9400

Room 123, Science Bldg No 5, North Campus
Solid Spectroscopy Group, Department
of Physics I, Kyoto University Kitashirakawa
Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan

bamba.motoaki.8a@kyoto-u.ac.jp


Participate In Our Study

Conference Talks

  1. G. Noe, M. Bamba, X. Li, N. Yuan, J. Zhang, Z. Jin, W. Ren, G. Ma, S. Cao, D. Turchinovich, and J. Kono
    Observation of Ultrastrong Magnon-Magnon Coupling in YFeO3 in High Magnetic Fields
    APS March Meeting 2019
    4-8 Mar 2019 (Boston, Massachusetts, USA), X39.00011 (Oral)
  2. X. Li, M. Bamba, N. Yuan, Q. Zhang, Y. Zhao, M. Xiang, K. Xu, Z. Jin, W. Ren, G. Ma, S. Cao, D. Turchinovich, and J. Kono
    Cooperative exchange coupling of rare-earth spins with a vacuum magnon field in ErFeO3
    APS March Meeting 2019
    4-8 Mar 2019 (Boston, Massachusetts, USA), V39.00007 (Oral)
  3. M. Bamba, X. Li, and J. Kono
    Vacuum Bloch-Siegert Shift in Cyclotron Resonance
    IRMMW-THz2018, International Conference on Infrared, Millimeter, and Terahertz Waves
    9-14 Sep 2018 (Nagoya Congress Center, Nagoya, Japan), Th-A2-1a-1 (Invited)
  4. X. Li, M. Bamba, N. Yuan, Q. Zhang, Y. Zhao, M. Xiang, K. Xu, Z. Jin, W. Ren, G. Ma, S. Cao, D. Turchinovich, and J. Kono
    Evidence for Dicke Cooperativity in Magnetic Interactions
    ICM2018, International Conference on Magnetism
    15-20 Jul 2018 (Moscone Center, San Francisco, USA), S2-05 (Oral)
  5. X. Li, M. Bamba, Q. Zhang, S. Fallahi, G. Gardner, W. Gao, M. Lou, K. Yoshioka, M. J. Manfra, and J. Kono
    Vacuum Bloch-Siegert Shift in Landau Polaritons with Ultrahigh Cooperativity
    CLEO2018, Conference on Lasers and Electro-Optics 2018
    13-18 May 2018 (San Jose Convention Center, San Jose, California, USA), FF2D.6 (Oral)
  6. W. Gao, X. Li, M. Bamba, and J. Kono
    Microcavity Exciton Polaritons with Exceptional Points Induced by Polarization-Controllable Ultrastrong Coupling
    CLEO2018, Conference on Lasers and Electro-Optics 2018
    13-18 May 2018 (San Jose Convention Center, San Jose, California, USA), FM2F.3 (Oral)
  7. M. Bamba, K. Inomata, and Y. Nakamura
    Phase transition and mode softening in superconducting circuit
    DAQS2018, The 2nd CEMS International Symposium on Dynamics in Artificial Quantum Systems
    15-17 Jan 2018 (RCAST, The University of Tokyo, Japan) (Poster)
  8. X. Li, M. Bamba, and J. Kono
    Polaritons beyond the rotating wave approximation
    MTSA 2017, the 4th International Symposium on Microwave/Terahertz Science and Applications
    19-23 Nov 2017 (Okayama Convention Center, Okayama, Japan), Iv-31 (Invited)
  9. M. Bamba
    Quantum and thermal phase transitions in circuit QED system
    NQS2017, Novel Quantum States in Condensed Matter 2017
    23 Oct-24 Nov 2017 (Yukawa Institute for Theoretical Physics, Kyoto University, Japan) (Oral, Poster)
  10. X. Li, M. Bamba, and J. Kono
    Polaritons Beyond The Rotating Wave Approximation
    ISNTT2017, International School and Symposium on Nanoscale Transport and phoTonics 2017
    13-17 Nov 2017 (NTT Atsugi R&D Center, Atsugi Kanagawa, Japan), We-01 (Invited)
  11. F. Bouquet, J. Bobroff, M. Fuchs-Gallezot, L. Maurines, C. Marrache-Kikuchi, F. Bert, C. Even, M. Monteverde, A. Salonen, C. Quay, M. Ferrier, K. Kobayashi, and M. Bamba
    Low-cost open-source Arduino technology for Do-It-Yourself labs
    MPTL2017, 21st International Conference on Multimedia in Physics Teaching and Learning
    13-15 Sep 2017 (The Open University, Milton Keynes, UK) (Oral)
  12. F. Bouquet, J. Bobroff, M. Fuchs-Gallezot, L. Maurines, C. Marrache-Kikuchi, F. Bert, C. Even, M. Monteverde, K. Kobayashi, and M. Bamba
    Enseignement par projets en TP de physique avec le microcontrôleur Arduino
    QPES2017, Colloque Questions de Pédagogies dans l’Enseignement Supérieur 2017
    13-16 Jun 2017 (Grenoble, France), S2-G-1 (Oral)
  13. M. Bamba
    Coherent Phase Transition in Superconducting Circuit
    Light-Matter Interactions in Cavity & Circuit QED Systems in the Light of Quantum Technology – IWQD –
    6-8 Mar 2017 (NII, Tokyo, Japan) (Invited)
  14. M. Bamba
    Coherent-incoherent phase transition of virtual photons in superconducting circuit
    Virtual photons in ultra-strongly coupled systems
    23-27 Jan 2017 (RIKEN, Wako, Japan) (Invited)
  15. M. Bamba
    Super-radiant phase transition in superconducting circuit in thermal equilibrium
    International Workshop on Ultra-Strong Light-Matter Interactions: theory and applications to quantum information
    19-21 Sep 2016 (Bilbao, Spain) (Invited)
  16. M. Bamba, T. Ogawa, and N. Imoto
    Remaining Possibility of Super-Radiant Phase Transition by Ultra-Strong Interaction
    PLMCN17, 17th International Conference on Physics of Light-Matter Coupling in Nanostructures
    28-31 Mar 2016 (Nara, Japan), TuP30 (Poster)
  17. M. Bamba and T. Ogawa
    Lasing in ultrastrong light-matter coupling regime
    NOEKS 12, The 12th International Conference on Nonlinear Optics and Excitation Kinetics in Semiconductors
    22-25 Sep 2014 (Bremen, Germany), We-2.4 (Oral)
  18. M. Bamba and T. Ogawa
    Estimation of the A2 Term from the Analysis of Lasing in Ultrastrong Coupling Regime
    ICSCE-7, The 7th International Conference on Spontaneous Coherence in Excitonic Systems
    21-25 Apr 2014 (Hakone, Japan), PS1-03 (Poster)
  19. Q. Glorieux, T. Boulier, M. Bamba, A. Amo, C. Adrados, A. Lemaitre, E. Galopin, I. Sagnes, J. Bloch, C. Ciuti, E. Giacobino, and A. Bramati
    Polariton-generated intensity squeezing in semiconductor micropillars
    ICSCE-7, The 7th International Conference on Spontaneous Coherence in Excitonic Systems
    21-25 Apr 2014 (Hakone, Japan), PS1-06 (Poster)
  20. M. Bamba, S. Wakaiki, H. Ichida, M. Kawakami, K. Mizoguchi, D. Kim, M. Nakayama, and Y. Kanematsu
    P-emission decay in ZnO from bulk to nanofilm
    ICSCE-7, The 7th International Conference on Spontaneous Coherence in Excitonic Systems
    21-25 Apr 2014 (Hakone, Japan), PS2-32 (Poster)
  21. M. Bamba and T. Ogawa
    Ultrastrong light-matter coupling destroys the photon-number conservation at cavity-environment coupling
    OECS 13, The 13th International Conference on Optics of Excitons in Confined Systems
    9-13 Sep 2013 (Rome, Italy), PB54 (Poster)
  22. T. Boulier, M. Bamba, A. Amo, C. Adrados, A. Lemaitre, E. Galopin, I. Sagnes, J. Bloch, C. Ciuti, E. Giacobino, and A. Bramati
    Intensity squeezing in semiconductor micropillars
    OECS 13, The 13th International Conference on Optics of Excitons in Confined Systems
    9-13 Sep 2013 (Rome, Italy), PB77 (Poster)
  23. S. Wakaiki, H. Ichida, M. Bamba, T. Kawase, M. Kawakami, K. Mizoguchi, D. Kim, M. Nakayama, and Y. Kanematsu
    Peculiar thickness-dependent behavior of the ultrafast P-emission dynamics for ZnO thin films
    DPC’13, 18th International Conference on Dynamical Processes in Excited States of Solids
    4-9 Aug 2013 (Fuzhou, China), P-107 (Poster)
  24. M. Bamba and T. Ogawa
    Ultrastrong Light-Matter Coupling Enforces Reconsideration of System-Reservoir Coupling
    PLMCN 14, The 14th Conference on Physics of Light-Matter Coupling in Nanostructures
    27-31 May 2013 (Hersonissos, Crete, Greece), TuB-2 (Oral)
  25. T. Bouiler, M. Bamba, A. Amo, C. Adrados, A. Lemaitre, E. Galopin, I. Sagnes, J. Bloch, C. Ciuti, E. Giacobino, and A. Bramati
    Polariton-Generated Intensity Squeezing in Semiconductor Micropillars
    PLMCN 14, The 14th Conference on Physics of Light-Matter Coupling in Nanostructures
    27-31 May 2013 (Hersonissos, Crete, Greece), TuD-6 (Oral)
  26. M. Bamba and C. Ciuti
    Crossover from Antibunching to Vacuum Squeezing: Ultrastrong Coupling Cavity QED under Dissipation and Incoherent Excitation
    ICSCE-6, The 6th International Conference on Spontaneous Coherence in Excitonic Systems
    27-31 Aug 2012 (Stanford, California, USA), TCont10 (Oral)
  27. H. Tahara, M. Bamba, Y. Ogawa, and F. Minami
    Coherent Spectral Change of Four-wave Mixing Signals from Exciton-polaritons in ZnSe Epitaxial Layer
    ICPS2012, 31st International Conference on the Physics of Semiconductors
    29 Jul 2012 (Zurich, Switzerland), 68.9 (Poster)
  28. M. Bamba and C. Ciuti
    Unconventional single-photon emission from double asymmetric semiconductor micropillars
    EXCON 2012, the 10th International Conference on Excitonic Processes in Condensed Matter, Nanostructured and Molecular Materials
    2-6 Jul 2012 (Groningen, The Netherlands), P009 (Poster)
  29. M. Bamba and C. Ciuti
    Unconventional ultra-efficient photon blockade and single-photon emitters from weakly nonlinear systems based on coupled cavities
    APS March Meeting 2012
    27 Feb 2012 (Boston, Massachusetts, United States), W1.00003 (Oral)
  30. M. Bamba, A. Imamoğlu, I. Carusotto, and C. Ciuti
    Photon blockade in arrays of weakly nonlinear cavities
    The 2nd France-Japan Workshop on Nanophotonics
    7-9 Nov 2011 (Toba Hotel International, Toba, Japan), 9a-3 (Oral)
  31. M. Bamba, A. Imamoğlu, I. Carusotto, and C. Ciuti
    Realization of strong photon antibunching in weakly nonlinear photonic molecules
    OECS12, The international conference on Optics of Excitons in Confined Systems
    12-16 Sep 2011 (Cité Internationale Universitaire, Paris, France), TuP8 (Poster)
  32. M. Bamba, S. Pigeon, and C. Ciuti
    Nonlinear quantum squeezing generation in random media
    ICSCE-5, 5th International Conference on Spontaneous Coherence in Excitonic Systems
    7-11 Feb 2011 (Ecole Polytechnique Fédérale de Lausanne (EPFL), Swiss Federal Institute of Technology, Lausanne, Switzerland), 29 (Poster)
  33. M. Bamba, S. Pigeon, and C. Ciuti
    Quantum squeezing generation versus photon localization in a disordered microcavity
    ICPS-30, 30th International Conference on the Physics of Semiconductors
    25-30 Jul 2010 (COEX, Seoul, Korea), P2-369 (Poster)
  34. M. Bamba and H. Ishihara
    Radiative decay theory of excitons in nano-to-macro crossover
    International School of Physics “Enrico Fermi”: Course CLXXI “Quantum Coherence in Solid State Systems”
    1-11 Jul 2008 (Villa Monastero, Varenna, Lecco, Italy), Poster session B-12 (Poster)
  35. M. Bamba and H. Ishihara
    Radiative decay theory: What suppresses exciton superradiance?
    EXCON’08, 8th International Conference on Excitonic Processes in Condensed Matter
    22-27 Jun 2008 (Clock Tower Centennial Hall, Kyoto University, Japan), OP-III-10 (Oralposter)
  36. M. Bamba and H. Ishihara
    Radiative Decay Theory of Excitons in Weak-confinement to Bulk Regime
    PLMCN8, 8th International Conference on Physics of Light-Matter Coupling in Nanostructures
    7-11 Apr 2008 (Komaba Research Campus, the University of Tokyo, Tokyo, Japan), ThB-2 (Oral)
  37. M. Bamba and H. Ishihara
    QED THEORY FOR WEAKLY CONFINED EXCITONS WITH RADIATIVE RELAXATION
    OECS10, 10th Conference on the “Optics of Excitons in Confined Systems”
    10-13 Sep 2007 (La Playa Hotel, Patti, Messina, Sicilia, Italy), PMo2 (Poster)
  38. M. Bamba and H. Ishihara
    DRASTIC INTERPLAY BETWEEN DEPHASING AND OPTICAL PROCESSES OF CONFINED EXCITONS
    DPC07, 16th International Conference on Dynamical Processes in Excited States of Solids
    17-22 Jun 2007 (Segovia, Spain), Mo-P5-03 (Poster)
  39. M. Bamba and H. Ishihara
    Entangled-photon generation via biexcitons in nano-structures
    EXCON’06, 7th International Conference on Excitonic Processes in Condensed Matter
    25-30 Jun 2006 (Wake Forest University, Winston-Salem, North Carolina, USA), PLB-3 (Oral)
  40. M. Bamba and H. Ishihara
    Entangled-Photon Generation via Biexcitons in Semiconductor Nano-Structures
    CLEO/QELS 2006, Conference on Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference 2006
    21-26 May 2006 (Long Beach Convention Center, Long Beach, California, USA), JTuD4 (Poster)
  41. K. Cho, J. Ushida, and M. Bamba
    Photonic band calculation in the form of k(ω) including evanescent waves
    PECS-V, International Symposium on Photonic and Electromagnetic Crystal Structures V
    7-11 Mar 2004 (Kyoto International Conference Hall, Kyoto, Japan), Mo-P52 (Poster)

Original Articles

  1. X. Li, M. Bamba, N. Yuan, Q. Zhang, Y. Zhao, M. Xiang, K. Xu, Z. Jin, W. Ren, G. Ma, S. Cao, D. Turchinovich, and J. Kono
    Observation of Dicke Cooperativity in Magnetic Interactions
    Science 361(6404), 794-797 (2018)
  2. W. Gao, X. Li, M. Bamba, and J. Kono
    Continuous transition between weak and ultra-strong coupling through exceptional points in carbon nanotube micro-cavity exciton polaritons
    Nature Photonics 12(6), 362-367 (2018)
  3. X. Li, M. Bamba, Q. Zhang, S. Fallahi, G. C. Gardner, W. Gao, M. Lou, K. Yoshioka, M. J. Manfra, and J. Kono
    Vacuum Bloch-Siegert shift in Landau polaritons with ultra-high cooperativity
    Nature Photonics 12(6), 324-329 (2018)
  4. M. Bamba and N. Imoto
    Circuit configurations which may or may not show superradiant phase transitions
    Physical Review A 96(5), 053857 (11 pages) (2017)
    arXiv:1703.03533 [quant-ph]
  5. M. Bamba, K. Inomata, and Y. Nakamura
    Superradiant Phase Transition in a Superconducting Circuit in Thermal Equilibrium
    Physical Review Letters 117(17), 173601 (5 pages) (2016)
    arXiv:1605.01124 [quant-ph]
  6. M. Bamba and N. Imoto
    Maxwell boundary conditions imply non-Lindblad master equation
    Physical Review A 94(3), 033802 (20 pages) (2016)
    arXiv:1603.00535 [quant-ph]
  7. M. Bamba and T. Ogawa
    Laser under ultrastrong light-matter interaction: Qualitative aspects and quantitative influences by level and mode truncations
    Physical Review A 93(3), 033811 (10 pages) (2016)
    arXiv:1410.3912 [quant-ph]
  8. M. Bamba, S. Wakaiki, H. Ichida, K. Mizoguchi, D. Kim, M. Nakayama, and Y. Kanematsu
    Theory of the lifetime of an exciton incoherently created below its resonance frequency by inelastic scattering
    Physical Review B 91(23), 235205 (13 pages) (2015)
    arXiv:1411.3430 [cond-mat.mes-hall]
  9. M. Bamba and T. Ogawa
    Stability of polarizable materials against superradiant phase transition
    Physical Review A 90(6), 063825 (8 pages) (2014)
    arXiv:1406.2420 [quant-ph]
  10. M. Bamba and T. Ogawa
    Recipe for the Hamiltonian of system-environment coupling applicable to the ultrastrong-light-matter-interaction regime
    Physical Review A 89(2), 023817 (18 pages) (2014)
    arXiv:1306.2099 [quant-ph]
  11. T. Boulier, M. Bamba, A. Amo, C. Adrados, A. Lemaitre, E. Galopin, I. Sagnes, J. Bloch, C. Ciuti, E. Giacobino, and A. Bramati
    Polariton-generated intensity squeezing in semiconductor micropillars
    Nature Communications 5, 3260 (7 pages) (2014)Post-print
  12. M. Bamba and T. Ogawa
    Reply to “Comment on `System-environment coupling derived by Maxwell’s boundary conditions from the weak to the ultrastrong light-matter-coupling regime’ ”
    Physical Review A 89(1), 017802 (2 pages) (2014)
    arXiv:1311.1564 [quant-ph]
  13. M. Bamba and T. Ogawa
    System-environment coupling derived by Maxwell’s boundary conditions from the weak to the ultrastrong light-matter-coupling regime
    Physical Review A 88(1), 013814 (11 pages) (2013)
    arXiv:1301.3960 [quant-ph]
  14. L. Nguyen-thê, S. De Liberato, M. Bamba, and C. Ciuti
    Effective polariton-polariton interactions of cavity-embedded two-dimensional electron gases
    Physical Review B 87(23), 235322 (12 pages) (2013)
    arXiv:1211.5039 [cond-mat.other]
  15. M. Bamba and T. Ogawa
    Dissipation and detection of polaritons in the ultrastrong-coupling regime
    Physical Review A 86(6), 063831 (16 pages) (2012)
    arXiv:1208.5181 [quant-ph]
  16. H. Tahara, M. Bamba, Y. Ogawa, and F. Minami
    Observation of a dynamical mixing process of exciton-polaritons in a ZnSe epitaxial layer using four-wave mixing spectroscopy
    Physical Review B 86(23), 235208 (6 pages) (2012)
  17. M. Bamba and C. Ciuti
    Counter-polarized single-photon generation from the auxiliary cavity of a weakly nonlinear photonic molecule
    Applied Physics Letters 99(17), 171111 (3 pages) (2011)
    arXiv:1108.5061 [quant-ph]
  18. M. Bamba and H. Ishihara
    Generation of entangled-photon pairs from biexcitons in CuCl thin films: Nano-to-bulk crossover regime
    Physical Review B 84(4), 045125 (16 pages) (2011)
    arXiv:1104.0374 [quant-ph]
  19. M. Bamba, A. Imamoğlu, I. Carusotto, and C. Ciuti
    Origin of strong photon antibunching in weakly nonlinear photonic molecules
    Physical Review A 83(2), 021802(R) (4 pages) (2011)
    arXiv:1007.1605 [quant-ph]
  20. M. Bamba and H. Ishihara
    Entangled-Photon Generation in Nano-to-Bulk Crossover Regime
    Physical Review Letters 105(12), 123906 (4 pages) (2010)
    arXiv:1003.0406 [cond-mat.other]
  21. L. Ferrier, S. Pigeon, E. Wertz, M. Bamba, P. Senellart, I. Sagnes, A. Lemaitre, C. Ciuti, and J. Bloch
    Polariton parametric oscillation in a single micropillar cavity
    Applied Physics Letters 97(3), 031105 (3 pages) (2010)
  22. M. Bamba, S. Pigeon, and C. Ciuti
    Quantum squeezing generation versus photon localization in a disordered planar microcavity
    Physical Review Letters 104(21), 213604 (4 pages) (2010)
    arXiv:1002.4804 [cond-mat.other]
  23. M. Bamba and H. Ishihara
    Crossover of exciton-photon coupled modes in a finite system
    Physical Review B 80(12), 125319 (11 pages) (2009)Post-print
    selected for Virtual Journal of Nanoscale Science & Technology, Vol. 20, Issue 14 (October 2009)
  24. M. Bamba and H. Ishihara
    Breakdown of Fermi’s Golden Rule in Exciton-Photon Interaction
    Journal of the Physical Society of Japan 78(4), 043701 (4 pages) (2009)Post-print
  25. M. Bamba and H. Ishihara
    QED of excitons with nonlocal susceptibility in arbitrarily structured dielectrics
    Physical Review B 78(8), 085109 (22 pages) (2008)
    arXiv:0708.2952 [physics.optics]
    selected for Virtual Journal of Nanoscale Science & Technology, Vol. 18, Issue 8 (August 2008)
  26. H. Ishihara, A. Syouji, Y. Segawa, and M. Bamba
    Anomalous exciton-radiation coupling in the nano-to-bulk crossover regime
    Journal of Physics: Condensed Matter 19(44), 445008 (20 pages) (2007)
  27. K. Cho, J. Ushida, and M. Bamba
    Optical Response of Photonic Crystals Requiring High Precision Band Calculation in the Form of k(ω) Including Evanescent Waves
    Journal of the Physical Society of Japan 74(11), 3088-3092 (2005)
    arXiv:cond-mat/0311496 [cond-mat.mtrl-sci]