Hybrid Quantum Device Team

HQD STG Kubo Group

About the Team

The Hybrid Quantum Device Team is a research group in experimental quantum information science and technology.  We mainly explore impurity spins in gem crystals and their applications in quantum information technologies.  Check out our Research Page to find out more! 
The team is in the Science and Technology Group at OIST, located on the sub-tropical Okinawa island.

Current Members 

Yuimaru Kubo, PI
Amit Bhunia, Postdoc
Ivan Kostylev, Postdoc
Morihiro Ohta, Ph.D. student
Tatsuki Hamamoto, Ph.D. student
Mathieu Couillard, Ph.D. student
Debdip Guchait, Research Intern
Vincent Sietses, Research Intern
Megumi Ikeda, Research Unit Administrator

Close Collaborators

Hiroki Takahashi
Denis Konstantinov

 

Photo: March 2023 with a new dilution refrigerator. 

Former Members

Kei Goto, Research Unit Administrator (May 2021- April 2024)
Ching-Ping Lee, Postdoc (October 2022-October 2024)
Rupak Bhattacharya, Postdoc (September 2021 - August 2022)
Shota Norimoto, Postdoc (April 2019 - February 2022), National Physics Laboratory (UK)
Jason Ball, Ph.D. student (September 2016 - August 2021), Bleximo (USA)
Peter Moroshkin, Staff Researcher (April 2018 - March 2020), Brown University (USA)

Research Interns

Markus Fuhmann, Summer 2024
Akira Kawano, Spring 2019
Jonathan Everts, Summer 2018
Alexandre Goumelon, Summer 2017
Yu Yamashiro, Late 2016 - Early 2017
Airat Galiulin, Summer 2016

Activity Archives

2023 Aug
Çağlar completed his stay.  Thanks a lot for the inputs!
2023 Aug
Morihiro and Yui participated in a workshop in Hong Kong
2023 Jun
Yuntao finished the internship.  Thank you for your contribution!
2023 Mar
Çağlar Girit arrived and will stay as a JSPS invited fellow until August.  Welcome!
2023 Feb
Yuntao Ma started working as an intern.  Welcome!
2022 Dec
Yui gave an invited talk at NFM2022, NIMS in Tsukuba. 
2022 Dec
Deepthi finished the internship.  Thank you for your contribution!
2022 Nov
Amit Bhunia joined the group!  Welcome!
2022 Oct
Ching-Ping Lee joined the group! Welcome!
Yui gave an invited online seminar in the Department of Physics of the City University of Hong Kong. 
2022 Aug
Rupak decided to leave back for his home country. Thanks a lot for the great contribution and best of luck for the next!
2022 Jun
Deepthi Gowappan started working as an intern.  Welcome!
2022 Feb
Our first dilution fridge arrived!
2021 Dec
Yui and Shota gave presentations at MRM2021 in Yokohama. 
2021 Sep
Tatsuki and Morihiro completed their Rotations and re-started their project.  Welcome back!  Rupak finally arrived in Okinawa and joined! 
2021 Aug
Jason Ball defended his thesis in July and was awarded a Ph.D. degree.  Congrats!!!
2020 Dec
Team leader Yuimaru and OIST professor Hiroki Takahashi are awarded grants to pursue Goal 6 of the Japanese Moonshot Research and Development Program.  Congrats!!! 
2020 Sep
We welcome former intern Morihiro and new Ph.D. student Tatsuki to our group as rotation students! めんそ〜れ!
2020 Mar-Apr
Due to the worldwide coronavirus outbreak, presentations by Shota and Jason at the JPS and APS annual meetings have been canceled.  Links to the slides are coming soon. 
2020 Mar
We at the HQD team bid a fond farewell to Peter Moroshkin, who heads for a research position at Brown University (Providence, USA).  お別れ!
2020 Feb
Congratulations to Morihiro for defending his master's thesis at the University of the Ryukyus!  おめでとう!
2019 Dec
The HQD team attends and presents a talk and poster at the International Symposium on Hybrid Quantum Systems 2019 (HQS2019) in Matsue, Japan.
2019 Sep
The HQD team attends and presents two talks, and a poster at the Impurity Spins for Quantum Information and Technologies in Israel. 
2019 May
The HQD team attends and presents posters at the 20th Anniversary of Superconducting Qubits (SQ20th) in Tsukuba, Japan.
2019 Apr
The HQD team welcomes Akira Kawano of the OIST 2019 matriculation class.  Akira will be serving as an intern for a couple of months before returning in the fall as a full-time Ph.D. student. めんそ〜れ!
2019 Apr
The new and improved website is open for business! 
2019 Apr 
A warm welcome (and congratulations) to Shota Norimoto, who is joining us after finishing what was certainly an arduous Ph.D. journey at Osaka University. めんそ〜れ!
2019 Mar
Jason and Yui give presentations at the 74th Annual JPS meeting.

 

Principal Investigator
Open Position