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.
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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 …
Paper Published in Nano Letters: Deterministic Formation of Single Organic Color Centers in Carbon Nanotubes
Our research on deterministic formation of single organic color centers in carbon nanotubes has been published in Nano Letters, representing a significant advancement in quantum …
Invited Talk at META 2025
I gave an invited talk at META 2025 on deterministic formation of single organic color centers in single-walled carbon nanotubes.