Outline
Novel Superconducting Qubit Materials and Designs
We are making superconducting qubit with oxide-free tunnel barrier to minimize defects.
Ferromagnetic Josephson junctions allow us to eliminate the need for magnetic fields to control flux qubits.
Quantum Optimal Control Theory
We are using numerical optimization methods to design control pulses that can maximize the speed of operating superconducting qubits.
Circuit QED
By replacing an atom with a superconducting artificial atom, and replacing a microwave cavity with an electronic resonator circuit, we are doing research to understand interaction between light and matter at a single photon level.
Hybrid Quantum Systems
We are trying to create unique functions at a quantum level by making coherent coupling of different quantum systems.
Externally funded projects
- Moonshot: Developing qubit based on epitaxial junction
April 2021 - March 2025 (5 years)
Principal Investigator: Dr. Fumiki Yoshihara - Q-LEAP: R&D and application of quantum software by intelligent quantum system design
August 2020 - March 2029 (about 10 years)
Principal Investigator: Dr. Kouichi Semba
Past projects
- Japan Society for the Promotion of Science, Grants-in-Aid for scientific research S(KAKENHI)
Title of Project: “Quantum Physics with Macroscopic Quantum Systems” 2013-2017
Principal Investigator: Dr. Kouichi Semba - JST-CREST: Creation of an innovative quantum technology platform based on the advanced control of quantum states; October 2017 - March 2023 (5.5 years)
Title of Project: Creation and control of superconducting quantum meta-materials
Principal Investigator: Dr. Kouichi Semba