JST LOTUS Programme: Japan-India Joint Research Fellowship
We are looking for highly motivated and excellent graduate students and postdoctoral fellows from India to join our group through the LOTUS Programme. If you are interested, please …
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Our deterministic functionalization paper is featured as Research Highlight
Our recent work on deterministic fabrication of single-photon emitters in carbon nanotubes has been featured as a RIKEN Research Highlight. Reference D. Kozawa, Y. Shiota, M. Wang, …
Group members participated in an earthquake emergency drill
Group members took part in an earthquake emergency evacuation drill at NIMS to review safety procedures and evacuation routes.
Research Overview
2D Optoelectronics
We investigate the electrical control of excitonic properties in two-dimensional materials by combining cutting-edge micro/nanofabrication techniques with quantum nanostructures. …
1D and 2D Photophysics
We investigate unique physical properties of low-dimensional materials such as carbon nanotubes and two-dimensional semiconductors. Our research focuses on understanding …
Solid-State Quantum Light Sources
Our research in quantum defects focuses on creating and characterizing precisely defined quantum emitters in nanomaterials based on functionalization engineering. We explore both …
Presentation at RPGR2025
Kozawa gave a presentation at The 16th International Conference on Recent Progress in Graphene and 2D Materials Research (RPGR2025). Title: Formation of Single Organic Color …
Appointed as JPS Area Committee Member
As of October 1, 2025, Daichi has been appointed as a committee member of Area 7 (Molecular Solids and Organic Conductors) of the Physical Society of Japan. Area 7 promotes …
Deterministic Formation of Single Organic Color Centers in Carbon Nanotubes
Development of deterministic single-molecule modification method for controlled formation of quantum emitters in carbon nanotubes, achieving position, number, and wavelength …