This project aims to revolutionize fusion energy development by introducing innovative accelerator technologies. By establishing high-energy, high-output ampere-class beam accelerator technology, we enable the generation of large quantities of neutrons, thereby accelerating the development of fusion reactor materials. Additionally, by using automated cyclotron resonance accelerators for ion injection and heating, we will verify the feasibility of small-scale fusion reactors. This will help us aim for a future with a self-sustaining fuel society, one that does not increase high-level radioactive waste, a society coexisting with fusion energy, and a future supporting activities in uncharted spaces such as deep-sea and interplanetary travel.

This project aims to realize the early application of high-temperature superconductors to fusion reactors by establishing innovative mass production technologies for high-temperature superconducting wires and superconducting magnet technology that is resistant to neutron irradiation, stable against disturbances, and does not require liquid helium for operation. This will contribute to achieve the miniaturization and improved economic viability of fusion reactors. To this end, we will demonstrate 40-tesla-class high-temperature superconducting coils and high-capacity conductors. Furthermore, we will promote spillover effects in fields other than fusion, such as medical and mobility sectors, thereby realizing Japan's international superiority in superconducting technology and fostering talent.

This project aims to build a digital platform and virtual laboratories that will enable, in a digital space, the design and performance test of the fusion energy systems. To achieve this, we will utilize innovative AI and data-driven scientific technologies to develop computational methods that can accurately reproduce complex states such as plasma, where physical quantities are intricately intertwined, in a digital space. This will significantly reduce the time and cost required for the development and performance testing of prototypes, thereby aiming for cost reduction and early realization of diverse fusion energy systems.

This project aims to establish the scientific foundation for highly efficient muon‑catalyzed fusion by dramatically increasing the number of fusion reactions induced by a single muon. Muon‑catalyzed fusion is a technique that enables nuclear fusion reactions using an elementary particle known as a muon. Unlike conventional fusion approaches, it does not require the extreme temperature and pressure conditions of a reactor core and is highly compatible with existing technologies. Through this project, we will achieve a positive energy balance in muon‑catalyzed fusion. By 2050, we aim to contribute to a sustainable society in harmony with the global environment through diverse applications such as distributed power sources and neutron sources.

This project aims to create new mathematical concepts and methodologies for the fusion energy field by fostering collaboration between mathematical sciences and plasma physics, grounded in the challenges of fusion research as well as its abundant experimental data and numerical simulations. To understand the complex phenomena of ultra‑high‑temperature plasmas and the systems that generate and sustain them, we will begin by mathematically formulating the core issues in fusion science. Through redefining key concepts and achieving disruptive innovation in methodology, this project will contribute to the early realization of fusion energy and to enhancing the performance and safety of future fusion devices.

This project aims to realize a neutron source based on a dipole magnetic field, a configuration analogous to planetary magnetospheres that can be formed and sustained stably with a relatively simple device configuration. We will extend this concept to apply interdisciplinary developments in antimatter science. To achieve this goal, we will use a high‑field superconducting dipole device to demonstrate ion heating and neutron production, thereby establishing the engineering foundation for a fusion‑based neutron source. Through these initiatives, the project will contribute to the broader utilization of fusion energy and to the realization of advanced fusion systems in the future.

This project aims to establish high‑efficiency, low‑cost isotope separation technologies to realize domestic production and a stable supply of fusion fuels. To achieve this, we will develop adsorbents and ion‑exchange materials capable of sensitively recognizing the minute quantum effects that arise between isotopic molecules and ions, and pursue the creation of an innovative isotope separation system utilizing these materials. This will not only accelerate the social implementation of fusion energy as a baseload power source, but also contribute to the application of deuterium to high value‑added materials and to the realization of a resource‑circulating society for lithium‑ion batteries.

The aim of this project is to develop a compact and innovative fuel breeding blanket that will ensure the sufficient plasma volume essential for achieving the required fusion power output, even as the fusion reactor itself becomes more compact. This will enable ITER-size reactors to achieve the fusion power and stability required for commercial operation while reducing the plant's overall tritium inventory. By establishing this design as the global standard for fuel breeding blankets, the project will contribute to accelerating the worldwide deployment of fusion energy on a global scale.

This project aims to develop a new type of power laser called the “OEC laser,” which stores optical energy in space. It focuses on achieving high-repetition-rate operation for practical use of laser fusion as an energy source and on establishing an autonomous research system called “OASIS,” which integrates laser irradiation, fuel delivery, diagnostics, analysis, and simulation. By leveraging OASIS, we will rapidly optimize the conditions for fusion ignition, systematically accumulate technologies and knowledge, and thereby contribute to the realization of laser fusion.

This project aims to apply blue-violet semiconductor laser technology to establish a highly efficient laser driver for the realization of inertial fusion. The project will pursue the short-pulse operation and high-power performance of blue-violet semiconductor lasers, which are expected to achieve device level continuous wave efficiencies exceeding 50%. This high efficiency will significantly reduce the electrical power required to generate the high-intensity laser pulses needed to compress fusion fuel. Through this approach, the project aims to reduce the energy gain requirement for inertial fusion from the conventional level of around 100 to approximately 20, thereby advancing the realization of inertial fusion energy plants.