Appointed as Associate Professor at University of Tsukuba
Dr. Kozawa has been appointed as Associate Professor in the Master’s and Doctoral Program in Materials Innovation, Degree Programs in Pure and Applied Sciences, Graduate School of …
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Kozawa gave an invited talk at the 2025 Spectroscopical Society of Japan Hokkaido Branch Symposium
Kozawa gave an invited talk at the 2025 Spectroscopical Society of Japan Hokkaido Branch Symposium, held on March 9, 2026 at Hokkaido University. The symposium was organized by the …
Research Grant Awarded by Shorai Foundation for Science and Technology
We are pleased to announce that our research project “Creation of Quantum Electronics Devices through Molecular-Level Photolithography” has been selected for a research grant from …
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 …
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, …
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 …