Presentations, Talks

· RQC seminar 2023




Our lab members presented at the RQC seminar (RIKEN Center for Quantum Computing).
Some recorded videos are available below.

 

 Majorana's approach to nonadiabatic transitions and how it validates the adiabatic-impulse approximation (~39 minutes) [MP4].
   P. Kofman (School of Physics and Technology, V. N. Karazin Kharkiv National University, Ukraine)

 Data mining the output of quantum simulators - from critical behavior to algorithmic complexity (~70 minutes) [MP4].
   M. Dalmonte (International Centre for Theoretical Physics (ICTP))

 Sensitivity curve of the earth-based gravitational interferometers: Approaching the quantum limit (~93 minutes) [MP4].
   F. Marchesoni (Virgo Collaboration, INFN Perugia, Italy)

 Quantum effects in photosynthesis (~58 minutes) [MP4].
   P.K. Ghosh (Department of chemistry, Presidency University, India)

 Exploring the Frontier of Coherent and Incoherent Processes in Ultrastrong Coupled Systems (~40 minutes) [MP4].
   A. Mercurio (Dipartimento di Fisica della Materia e Scienze della Terra, Università degli Studi di Messina, Italy)

 Nonlinear-resonator quantum Rabi model and dephasing in ultrastong and deepstrong coupling regimes (~47 minutes) [MP4].
   F. Mauceri (Dipartimento di Fisica della Materia e Scienze della Terra, Università degli Studi di Messina, Italy)

 Finite-temperature Wigner solid and other phases of ripplonic polarons on a helium film (~57 minutes) [MP4].
   V. Misko (Department of Chemical Engineering, Vrije Universiteit Brussel, Belgium)

 (1) Casimir torque and force on gratings,
 (2) Genuine quantum thermal machine in single nonequilibrium EM bath (~93 minutes) [MP4_Part1, Part2].
   M. Antezza (Laboratoire Charles Coulomb, University of Montpellier, France)

 Parametric processes, criticality, and quantum information: from cat codes to enhanced sensing (~89 minutes) [MP4].
   F. Minganti (Institute of Physics, and Center for Quantum Science and Engineering, Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland)

 Dressing qubits with classical fields for quantum applications (~85 minutes) [MP4].
   C.S. Munoz (Department of Theoretical Condensed Matter Physics, Autonomous University of Madrid, Spain)

 The search for Dark Matter with the LZ experiment (~76 minutes) [MP4].
   W. Lorenzon (Department of Physics, University of Michigan, USA)

 Spin Qubits in Semiconductors: The Past, Present, and Future (~65 minutes) [MP4].
   X. Hu (Department of Physics, University of Buffalo, USA)







· Quantum Physics and Complex Systems




December 2022: Dr. F. Nori's online presentation at Quantum Physics and Complex Systems on “Quantum Optics with Giant Atoms:Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics” (~57 minutes) [Link, Booklet][MP4_Part1, Part2, Q&A]







· The 6th International Workshop on Quantum Coherence, Information, and Computing




October 2022: Dr. F. Nori's online presentation at Quantum Coherence on “Quantum Optics with Giant Atoms:Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics”. There is no recorded video at this time, but here are the slides used in the presentation. [Talk PDF]







· RQC seminar 2022




Our lab members presented at the RQC seminar (RIKEN Center for Quantum Computing).
Some recorded videos are available below.

 

 Quantum state and process tomography with machine learning and gradient descent (~68 minutes) [MP4].
   A.F. Kockum (Microtechnology and Nanoscience, Chalmers University of Technology, Sweden)

 Exotic spectral degeneracies in non-Hermitian systems (~61 minutes) [MP4].
   I. Arkhipov (Palacký University, Olomouc, Czech Republic)

 Applications of temporal quantum steering (~61 minutes) [MP4].
   Y.N. Chen (Department of Physics and Center for Quantum Frontiers of Research & Technology (QFort), National Cheng Kung University)

 When Kondo effect meets ultrastrong coupling of cavity photons (~51 minutes) [MP4].
   P.C. Kuo (Department of Physics and Center for Quantum Frontiers of Research & Technology (QFort), National Cheng Kung University)

 Understanding waveguide-QED systems with time-delayed coherent feedback [PDF].
   S. Hughes (Queen’s University, Ontario, Canada)

 Quantum thermodynamics of optomechanical systems in the nonlinear regime (~127 minutes) [MP4].
   A. Ferreri (Research center “Forschungszentrum” Jülich, Germany)

 Unifying and improving quantum algorithmse (~108 minutes) [MP4].
   Z.M. Rossi (MIT Quanta Group — Cambridge, MA)

 Dynamics-based certification of quantumness and entanglement (~66 minutes) [MP4].
   V. Scarani (Centre for Quantum Technologies and National University of Singapore)

 Cooper pair splitting in real-time (~60 minutes) [MP4].
   C. Flindt (Aalto University, Finland)







· IBS-APCTP Conference




September 2022: Dr. F. Nori's online presentation at IBS-APCTP Conference on Advances in The Physics of Topological and Correlated Matter on “Topological Non-Hermitian Origin of Surface Maxwell Waves” (~47 minutes) [MP4, YouTube, PDF]







· FQMT 2022




August 2022: Dr. F. Nori's online presentation at FQMT'22: Frontiers of Quantum and Mesoscopic Thermodynamics on “Quantum optics with giant atoms: Decoherence-free interaction between giant atoms in waveguide quantum electrodynamics” (~30 minutes) [MP4, Link]







· KITP Program




July 2022: Dr. F. Nori's online presentation at KITP Program: Emerging Regimes and Implications of Quantum and Thermal Fluctuational Electrodynamics (ucsb.edu) on “Dynamical Casimir effect in superconducting circuits” (~35 minutes) [MP4, Link]







· Caltech




May 2022: Dr. Wei Qin’s online presentation at Caltech on “Beating the 3 dB Limit for Intracavity Squeezing and Its Application to Nondemolition Qubit Readout” (~92 minutes) [MP4 Part1, Part2, arXiv]







· QIQT-2022




June 2022 pedagogical presentation to over 150 students at QIQT-2022: The “Summer School on Quantum Information and Quantum Technology – 2022”. URL: qiqt2022.org

 

Title: Quantum nonlinear optics with virtual and real photons in the ultrastrong coupling regime of cavity QED.
The pedagogical talk is about one hour and six minutes, plus 20 minutes for the Q&A period.
The video of the talk is available on YouTube at: https://youtu.be/T7Xa8qlvbIo/
Publications on this topic are available online here: https://dml.riken.jp/pub/








· APS March meeting 2022




APS Meeting Official page: https://march.aps.org/ (Session videos are available for a limited time.)
Some recorded videos are available below.

 

 Coherence dynamics of a photon-dressed qubit (~10 minutes) [MP4, PPTX, LINK].
   M. Liul (ILTPE, Ukraine)

 Majorana approach for driven quantum systems (2 minutes) [MOV, PDF, LINK].
   P. Kofman (ILTPE and Kharkiv Univ., Ukraine)

 Landau-Zener-Stuckelberg-Majorana transitions for interferometry and quantum control (~10 minutes) [MP4, PPTX, LINK].
   O. Ivakhnenko (ILTPE, Ukraine and RIKEN, Japan)

 Fast Landau-Zener-Stückelberg-Majorana quantum logic gates (~9 minutes) [MP4, PPTX, LINK].
   A. Ryzhov (ILTPE, Ukraine)







· Seminar on Quantum Cats.




  Towards a quantum regime in coherent Ising machines (~45 minutes) [MP4].
  Speaker: Z.Y. Zhou








· QuTiP 2022




  A very brief overview of QuTiP is available here (~6 minutes) [MP4].
  A very short poster with an overview of QuTiP is available here [Poster].
  The presentation and the poster were prepared by Simon Cross, a member of our group.







· PHOTONICA 2021




  Virtual photons in ultra-strongly coupled systems or Quantum Nonlinear Optics without Photons (~37 minutes) [MP4]
  Dynamical Casimir effect in superconducting circuits (~33 minutes) [MP4]








· TAMU-Baylor-Casper Summer School on Quantum Physics and Biophysics




Dr. Nori gave two lectures at the Casper Summer School in July 2021.





  Virtual photons in ultra-strongly coupled systems or Quantum Nonlinear Optics without Photons (~27 minutes) [MP4]
  Dynamical Casimir effect in superconducting circuits (~23 minutes) [MP4]
  Dynamical Casimir effect in superconducting circuits (~12 minutes) [MP4]








· QIQT 2021




Dr. Nori gave a plenary talk to students at the Summer School QIQT-21 (Quantum Information and Quantum Technology 2021): "A few examples of Machine Learning and Artificial Neural Networks applied to Quantum Physics". This lecture lasted about 1 hour and 40 minutes. The video can be viewed on YouTube and MP4. [YoutTube, MP4]







· APS March meeting 2021




Our research team gave 27 presentations and 1 poster session at the APS March Meeting 2021.
These can be viewed on the APS official page [Link] for a limited time.
Each presentation can also be found on our site, at the links below.





  APS March meeting +10 Videos: Page 1


 

  APS March meeting +10 Videos: Page 2








· Poster: Quantum Techniques in Machine Learning 2021




Poster [PNG] (2MB) on the paper "Topological quantum phase transitions retrieved through unsupervised machine learning", Phys. Rev. B 102, 134213 (2020). [PDF][Link][arXiv]. Presented at the conference “Quantum Techniques in Machine Learning 2021”. [Link]







· Princeton Workshop on: Unruh Acceleration Radiation, Vacuum Entanglement and Relativity




The first two talks in this VIDEO LINK are by F. Nori and S. Savasta, on the Dynamical Casimir Effect. These two talks were given on December 10th, 2020, at the Princeton Workshop on: Unruh Acceleration Radiation, Vacuum Entanglement and Relativity.







· NTT Research Summit 2020




Here is the video [MP4, Link] of Dr. Nori’s presentation on: “Using machine learning to solve challenging problems in quantum science and technology”, at the 2020 NTT Research Summit.







· META 2017




2017 July: Dr. F. Nori gave a Plenary talk at the large international conference “META 2017” Incheon, Korea [PDF, Link, PNG], which was attended by over 900 people, and was well received by the audience. Conference Video is here: Parity-Time-Symmetric Optics, extraordinary momentum and spin in evanescent waves, and the quantum spin Hall effect of light [YouTube, MP4, Link].

Dr. Nori - List of Talks

Scheduled




• Nonadiabatic Landau–Zener–Stückelberg–Majorana transitions, dynamics, and interference
  Physics Reports Seminar - Cassyni, online, July 26, 2023. Invited. [Link, PDF]










2023




• Quantum Optics with Giant Atoms: Decoherence-Free Interaction Between Giant Atoms in Waveguide Quantum Electrodynamics
  QIQT2023 - Quantum Information and Quantum Technology 2023, online, Indian Institute of Science Education and Research Kolkata (IISER-K), India, May 8, 2023. Plenary Speaker. [Link, Schedule]

• Quantum Optics with Giant Atoms: Decoherence-Free Interaction Between Giant Atoms in Waveguide Quantum Electrodynamics
  PQE 2023 - The 53rd Winter Colloquium on the Physics of Quantum Electronics, Snowbird, Utah, USA, January 11, 2023. Plenary Speaker. [Link, PDF, Program]




2022




• Quantum Optics with Giant Atoms:Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics
  Quantum Physics and Complex Systems, Online, City University of Hong Kong, Hong Kong, December 8, 2022. Keynote Speaker. [Link, Booklet][MP4_Part1, Part2, Q&A]

• Quantum Optics with Giant Atoms:Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics
  The 6th International Workshop on Quantum Coherence, Information, and Computing, Online, Stevens Institute of Technology, Hoboken, USA, October 13, 2022. Invited. [Talk PDF, Link]

• Topological Non-Hermitian Origin of Surface Maxwell Waves
  IBS-APCTP Conference on Advances in The Physics of Topological and Correlated Matter, Online, Daejeon, South Korea, September 21, 2022. Invited. [Link, Leaflet, Program][MP4, YouTube, PDF]

• Quantum optics with giant atoms: Decoherence-free interaction between giant atoms in waveguide quantum electrodynamics
  FQMT'22 - Frontiers of Quantum and Mesoscopic Thermodynamics, Online, Prague, Czech Republic, August 3, 2022. Invited. [Link, PDF, MP4]

• Quantum Optics with Giant Atoms: Decoherence-Free Interaction between Giant Atoms in Waveguide Quantum Electrodynamics
  LPHYS'22 - the 30th Annual International Laser Physics Workshop, Online, July 20, 2022. Plenary speaker [Link, PDF]

• Dynamical Casimir effect in superconducting circuits
  KITP Conference: Quantum and Thermal Electrodynamic Fluctuations in the Presence of Matter: Progress and Challenges, Online, UC Santa Barbara, July 12, 2022. [Link, PDF, MP4]

• Quantum nonlinear optics with virtual and real photons in the ultrastrong coupling regime of cavity QED
  QIQT-22 - Quantum Information and Quantum Technology 2022, Online, IISER Kolkata, India, June 4, 2022. Plenary speaker [Link, YouTube]

• (1) Dynamical Casimir effect: converting virtual photons into measurable ones; (2) Q and A Session
  Quantum Information Bootcamp, online, Venezuela, April 19, 2022. Invited. [PDF_1, PDF_2, Link]

• Several open problems in the study of Coherent Ising Machines
  NTT-NSF meeting / Round table discussion on theory, online, February 17, 2022.

• Quantum Nonlinear Optics without Photons, how to excite two or more atoms simultaneously with a single photon, and other unusual properties of ultra-strongly-coupled QED systems
  Fluctuation-induced Forces. WE-Heraeus-Seminar, online, Germany, February 17, 2022. Invited. [PDF, Link]

• Topological Photonics
  Light-Matter Interactions in Low Dimensional and Topological Photonic Materials, online, IISc Bangalore, India, January 31, 2022. Invited. [PDF]

• Light-Matter Interactions in the Ultra-Strong Coupling Regime
  Meeting on Japan-US joint research projects on Applied Sciences, online, Tokyo, Japan, January 26, 2022.

• Quantum Optics with Giant Atoms
  PQE 2022 - The 51st Winter Colloquium on the Physics of Quantum Electronics, online, Snowbird, Utah, USA, January 13, 2022. [PDF, Link]




2021




• Virtual photons in ultra-strongly coupled systems or Quantum Nonlinear Optics without Photons
  IWSSQC-10 - The 10th International Workshop on Solid-State Quantum Computing, online, University of Hong Kong, November 29 - December 1, 2021. Plenary speaker [PDF_1, PDF_2, Link, PNG]

• Introduction to quantum information processing and superconducting qubits
  ISQI - the Institute of Spintronics and Quantum Information, Symposium on Spintronics and Quantum Information, online, UAM, Poznan, Poland, October 20, 2021. Opening lecture [PDF_1, PDF_2, Link]

• Theoretical prediction and subsequent observation of the dynamical Casimir effect in a superconducting circuit
  METANANO 2021, Tbilisi, Republic of Georgia, September 13, 2021. Plenary speaker [Link, PNG]

• 1. Virtual photons in ultra-strongly coupled systems or Quantum Nonlinear Optics without Photons
  2. Dynamical Casimir effect in super conducting circuits
  PHOTONICA 2021, VIII International School and Conference on Photonics, online, Serbia, August 23, 2021. Plenary speaker [Link, PDF]

• Virtual photons in ultra-strongly coupled systems or Quantum Nonlinear Optics without Photons
  Mini-workshop on ultra-strong coupling at the University of Michigan, online, August 18, 2021.

• Quantum Nonlinear Optics Without Photons
  TAMU-Baylor-Casper Summer School on Quantum Physics and Biophysics, Zoom, Casper, Wyoming, July 26, 2021. Invited. [PDF]

• Quantum Nonlinear Optics Without Photons, How to Excite Two or More Atoms Simultaneously with a Single Photon, and Other Unusual Properties of Ultra-Strongly-Coupled QED Systems
  LPHYS'21 - the 29th Annual International Laser Physics Workshop, Online, July 21, 2021. Invited. [Link, PDF]

• Quantum Nonlinear Optics without Photons, how to excite two or more atoms simultaneously with a single photon, and other unusual properties of ultra-strongly-coupled QED systems
  FQMT’21 - Frontiers of Quantum and Mesoscopic Thermodynamics, Online conference, Prague, July 19, 2021. Invited. [Link, PDF]

• A few examples of Machine Learning and Artificial Neural Networks applied to Quantum Physics
  QIQT-21 - Quantum Information and Quantum Technology 2021, summer school dual online/offline mode, IISER Kolkata, India, July 5, 2021. Plenary speaker [Link, YoutTube, MP4]

• Theoretical prediction and subsequent observation of the dynamical Casimir effect in a superconducting circuit
  CM&LTP 2021 - Condensed Matter and Low Temperature Physics 2021, Online, Ukraine, June 6-12, 2021. Invited. [Link, PDF]

• Poster: Ultradense tailored vortex pinning arrays in YBCO thin films created by focused He ion beam irradiation
  Nanoengineered Superconductors - NES21 Young Investigator's online workshop, Vienna, May 10-12, 2021. [Link, PDF]

• Quantum Nonlinear Optics without Photons, how to excite two or more atoms simultaneously with a single photon, and other unusual properties of ultra-strongly-coupled QED systems
  SCOM 2021, Online Virtual Sessions, Chalmers University of Technology, Sweden, April 25-28, 2021. Invited. [PDF, Link]

• (1) Recent developments in quantum devices; (2) Analogue of a quantum heat engine using a single-spin qubit
  FQXi workshop, Online Virtual Sessions, April 1, 2021. Invited.

• A summary of some of our results on Non-Hermitian Quantum Mechanics in Optics and Optical Analogs of Topological Insulators
  Non-Hermitian Physics, Online Virtual Sessions, ICTS (International Center for Theoretical Sciences), India, March 22-26, 2021. Invited. [Link, YouTube]

• A few examples of Machine Learning and Artificial Neural Networks applied to Quantum Physics
  APS March 2021 meeting, Online Virtual Sessions, March 15-19, 2021. [Link]




2020




• Theoretical prediction and subsequent observation of the dynamical Casimir effect in a superconducting circuit
  Princeton Center for Theoretical Science (PCTS) - Unruh acceleration radiation, vacuum entanglement and relativity conference, Virtual Meeting on Zoom, December 8-10, 2020. [Link, PDF]

• Panel Discussion
  Virtual Irago Conference 2020, Online Zoom webinar, November 11, 2020. Invited. [PDF, Link]

• Using machine learning to solve challenging problems in quantum science and technology
  2020 NTT Research Summit, Online Virtual Sessions, Sep. 28 - Oct. 1, 2020. Invited. [MP4, Link]

• Quantum Nonlinear Optics without Photons, how to excite two or more atoms simultaneously with a single photon, and other unusual properties of ultra-strongly-coupled QED systems
  PQE2020 - The 50th Winter Colloquium on the Physics of Quantum Electronics, Snowbird, Utah, USA, January 5-10, 2020. [PDF, Link]