The Kato Group

We exploit state-of-the-art nanofabrication technologies to develop and engineer photonic and optoelectronic devices that utilize quantum effects, with focus on devices incorporating individual single-walled carbon nanotubes and atomically-thin layered materials.

Recent Publications

Preprints are available at arxiv.org/a/kato_y_1.
N. Fang, U. Erkilic, Y. R. Chang, S. Fujii, D. Yamashita, C. F. Fong, S. Morito, K. Kanahashi, T. Taniguchi, K. Watanabe, K. Ueno, K. Nagashio, Y. K. Kato Trion transfer in mixed-dimensional heterostructures ACS Nano, published online(2026).
C. F. Fong, D. Yamashita, N. Fang, Y.-R. Chang, S. Fujii, T. Taniguchi, K. Watanabe, Y. K. Kato Dielectric environment engineering via 2Dmaterial heterostructure formation on a hybridphotonic crystal nanocavity Opt. Mater. Express 16, 646 (2026).
D. Kozawa, Y. Shiota, M. Wang, Y. K. Kato Deterministic formation of single organic color centers in single-walled carbon nanotubes Nano Lett. 25, 13103 (2025).
D. Yamashita, N. Fang, S. Fujii, Y. K. Kato Hybrid silicon all-optical switching devices integrated with 2D material Adv. Opt. Mater. 13, 2402531 (2025).