- Our Lab is now seeking an assistant professor.
- Masao Hirokawa has signed a research collaboration agreement with Internet Initiative Japan Inc.
- Teruo Tanimoto was promoted to an associate professor on April 1, 2022.
- Masao Hirokawa had a talk at the Center for QIQB of Osaka Univ on Mar. 28, 2022.
- Kyushu University Launched the Quantum Computing System Center.
- Masao Hirokawa becomes a TPC Member of the committees of IEEE ICECET 2022
- Masao Hirokawa had a talk at the RIKEN on Nov. 25, 2021.
- Masao Hirokawa had a talk at the IEEE ICECET 2021 on Dec. 9, 2021.
- Masao Hirokawa had a talk at the SSV2021 & QCCC2021 on Nov. 10, 2021.
- Teruo Tanimoto had a talk at the Symposium of JSAP on Oct. 5, 2021.
- Teruo Tanimoto is a visiting researcher of Superconducting Quantum Computing System Research Unit of RIKEN since Jul. 1, 2021.
- We have launched the dedicated website for our Q-LEAP Core Program of the Human Resource Development.
- The website of the Quantum Information and Technology, a Professional Group of the Japan Society of Applied Physics is now available.
- The application of our proposal for the Q-LEAP Core Program of the Human Resource Development was adopted. The ISEE of Kyushu University is among the hub institutions of this Core Program.
- Takeru Hidaka arrived at his PostDoc position of our Lab.
- Miwa Ohtaka arrived at her secretary position of our Lab.
- Here is an advice on how to install the `vpn' on a Linux machine for Lab's members in Hiroshima Univ.

- We recruited an assistant professor to strengthen our Lab for research and education activities.
- Masao Hirokawa was invited to the ``Indo-Japan Joint Workshop on Quantum Computing and Quantum Information'' on Jan. 6-8, 2020 at the Indian Statistical Institute, Kolkata, India. He gave a talk on the superconducting quantum computer in the light of quantum architecture.
- We organize and hold the symposium ``New developments in optical quantum technologies'' in the annual meeting of the JSAP on Sep. 19, 2019 at Hokkaido University, Sapporo. I'm a Session Chair at the symposium.
- Masao Hirokaw gave a talk about our research on our concealing-restoring system for data with noise-disturbance at MQC2019. The outline is here.
- Shuhei Matsuo had a talk about our joint research on quantum computer architecture at the HotSPA2019 on June 12, 2019.
- We organized and held QIT40 on May 20 and 21, 2019.
- Shuhei Matsuo had a poster presentation about our joint research on quantum computer architecture at the workshop on LSI and System 2019 on May 14, 2019.
- Masahiko Ichimura had a talk about our joint research, Topological Superconductors in Ferromagnetic Nanowires with Domain Wall, at 14th Joint MMM-Intermag Conference, January 14-18, 2019, Washington, DC.
- Masao Hirokawa organized Sebastien Gleyzes' talk at Kyushu Univ on the 23rd of October. There is the title and abstract of his talk here. You could meet Sébastien here.
- Masao Hirokawa gave a talk on the Schroedinger-cat-likeness at the IMI Colloquium, IMI, Kyushu University on Oct. 10, 2018.
- Masao Hirokawa gave a talk on the Schroedinger-cat-likeness at the Analysis Seminar, Aarhus University on Sep. 27, 2018.
- Masahiko Ichimura had a talk about our joint research, Topological Superconductors in Ferromagnetic Nanowire with Domain Wall, at the 79th JSAP Autumn Meeting 2018 on Sep 20, 2018.
- Masao Hirokawa was invited as a key speaker of the International Workshop on ``Strongly Coupled Light-Matter Interactions: Models and Applications,'' held during 7-9 July 2018 at Lanzhou University, China. He talked about the Schroedinger-cat-likeness in the adiabatic approximation for the generalized quantum Rabi model without and with A^2-term.
- We oarganized and held QIT38 at the International Conference Center Hiroshima in the period between June 4 and 5, 2018.
- Masao Hirokawa gave a talk on quantum simulation at Phenomena Mathematics Seminar, Kyushu Univ IMI on Dec 12, 2017.
- Masao Hirokawa took take part in BIT's 7th Annual World Congress of Nano Science & Technology 2017. He gave a talk at Forum 4: Nano-Electronics and Microsystems, Session 405: Quantum Dot, Quantum Wire, Quantum Well, and I was the Co-Chair of the session.
- Our Japanese team took part in the Math/Phys Seminar at Aarhus University on Oct. 3, 2017, and gave individual talks. Masao Hirokawa gave a talk, too.
- Masao Hirokawa gave a talk about quantum simulation at Quantum Circle, the semiar of of the Doppler Institute on Sep. 19, 2017.
- Masao Hirokawa organized a closely-packed series of lectures on STM/STS by Tomihiro Hashizume (HITACHI & Tokyo Institute of Technology). For further details, please see here.
- We organized and held the Okayama-Hiroshima Analysis & Probability Seminar 2017 on Feb. 20 & 21, 2017 at Okayama Univ., Okayama.
- Masao Hirokawa attended the mini-workshop on ``Virtual Photons in Ultra-Strongly Coupled Systems'' at RIKEN (Jan. 23--26), and had a talk there.
- Masao Hirokawa attended the workshop on ``Physical and mathematical approaches to interacting particle systems --In honer of 70th birthday of Herbert Spohn--'' at TIT (Jan. 11--12), and had a talk there.
- We had Prof. Jacob S. Moller's talk at the Quantum Device Seminar on 24 Oct., 2016.
- Masao Hirokawa gave an invited talk about a quantum phase transition at the International Workshop on Ultra-Strong Light-Matter Interactions: Theory and Applications to Quantum Information, Sep. 19--21, 2016.
- We had a seminar on Aug. 29, 2016 at the Institute of Engineering, Hiroshima Univ. The speaker is set to be Prof. Sahel Ashhab (Hamad Bin Khalifa University) and Dr. Kouichi Semba (Advanced ICT Research Institute, NICT, Koganei, Tokyo).
- Masao Hirokawa was among the panelists who took part in the panel discussion held at Hokkaido Univ., Aug. 8, 2016.
- Masao Hirokawa visited RIKEN and HITACHI in the final week of July. I enjoyed my stay at RIKEN for a week, and give a talk for about 3 hours at RIKEN Seminar on July 25, 2016.
- Masao Hirokawa gave a talk about the quantum phase transition at the Tuesday Seminar of Analysis, the Univ of Tokyo, on June 21, 2016.
- Masao Hirokawa had 2 talks at the Mathematical quantum field theory and related topics (Kyushu IMI joint research center for advanced and fundamental math-for-industry), IMI Kyushu University, on June 8, 2016.
- Masao Hirokawa gave an invited talk about the quantum phase transition at the QIT34, the Institute of Electronics, Information and Communication Engineers, Japan on May 31, 2016.
- Our proposal, ``Exciting Polarons (ExPo)'' [representative: J. S. Moller], was accepted by the Danish Agency for Science, Technology and Innovation, and is among the International Network Programmes. This program supports our network activities between Danish and Japan. Masao Hirokawa took part in this project. In our ``ExPo'' some researchers of the Aarhus University team are to visit me to make a joint research on some mathematical aspects of phonon.
- Masao Hirokawa gave 2 lectures at Joint Mathematics and Physcs Seminar held at the Aarhus Univ on Mar 17, 2016.
- We organized and held the Hiroshima-Okayama Analysis & Probability Seminar on Feb. 22 & 23, 2016 at Hiroshima Univ., Higashi-Hiroshima.
- Masao Hirokawa gave an invited talk at the Asia-Pacific Workshop on Quantum Information Sciences 2014, National Cheng Kung University, Taiwan on Dec 12, 2014.
- Workshop ``Mathematics and Physics of Interacting Quantum Systems (MPIQS)'' was held (October 23 and 24, 2014: Kyushu Univ IMI., Fukuoka, Japan). Masao Hirokawa took part in MPIQS as one of the invited speakers.
- The new frontier research group on Quantum Information and Technology has been launched by the Japan Society of Applied Physics.
- Workshop ``Spectral analysis of non-commutative harmonic oscillators and quantum devices'' was held (November 26 and 27, 2012: Kyushu Univ IMI, Fukuoka, Japan).
- Workshop ``Avoided ? Crossing of Eigenvalue Curves --- Non-commutative Harmonic Oscillator, Special Functions and Number Theory---'' was held (March 7 -- 9, 2012: Kyushu Univ IMI, Fukuoka, Japan).

- JSAP organized and held the International Conference on ``Challenges in Quantum Information Science,'' Apr. 9-11, 2018 at Hitotsubashi-Hall, Tokyo.
- We had the seminar in the following:

Speaker: Sébastien Gleyzes (Cavity QED Group, Laboratoire Kastler Brossel, Paris)

Title: ``Quantum metrology with Rydberg atoms.'' The abstract is here.

Time & Date: 16:30, Oct. 11, 2017

Place: Lecture room 402N, ADSM, Hiroshima Univ. - We organized and held the symposium ``Electromagnetic Controls in Quantum Hybrid Systems'' in the annual meeting of the JSAP on Sep. 6, 2017 at Fukuoka Convention Center, Fukuoka. I was the Session Chair at the symposium.
- We held IWQD 2017 at NII, Mar. 6--8, 2017.
- We organized and held the symposium, ``Cavity & circuit-QED: frontier research at the leading edge,'' in the annual meeting of the JSAP on Mar. 22, 2016 at Room H101 of TIT, Tokyo. Here is its poster.
- We held the IWQD 2015 at the NII on Oct. 13 and 14, 2015. As its satellite seminar, we had a seminar before IWQD 2017 in the following:

Speaker: Sébastien Gleyzes (Cavity QED Group, Laboratoire Kastler Brossel, Paris)

Title: ``A sensitive electrometer based on a Rydberg atom in a Schrödinger-cat state.'' The abstract is here.

This is their history of the laser and cavity technology!

Time & Date: 16:00, Mar. 3, 2017

Place: A3-824, Institute of Engineering, Hiroshima Univ. - The symposium ``Quantum Silicon Technology from the ground up'' is going to be held in the annual meeting of the JSAP on Sep. 15, 2015 at Nagoya Congress Center, Nagoya.
- We organized and held the workshop ``QI Workshop'' (Feb. 17 and 18, 2015: NII, Tokyo).
- Masao Hirokawa took part in ``The Asia-Pacific Workshops and Conferences on Quantum Information Science 2014'' as one of the invited speakers. It held in the period between 12th and 15th of December 2014 at National Cheng Kung Univ., Tainan, Taiwan.
- We organized and held the symposium ``Frontiers in Quantum Metrology'' in the annual meeting of the JSAP on Sep. 19, 2014 at Hokkaido Univ., Sapporo.
- We organized and held the workshop ``the Interdisciplinary Workshop on Quantum Device 2014 --towards operation of the quantum information & the quantum computer-- (March 26 and 27, 2014: NII, Tokyo, Japan).
- The symposium ``Recent Developments on Quantum Information Devices'' was held in the annual meeting of the JSAP on Sep. 17, 2013 at Doshisha Univ., Kyotanabe.
- We organized and held the workshop ``Interdisciplinary Workshop on Quantum Device'' (January 15, 2013: NII, Tokyo, Japan).
- We organized and held the ``Modeling of quantum device using the interaction between artificial atom and the light,'' the startup workshop of IWQD (November 29, 2011: NII, Tokyo, Japan).