Hiroyuki Kusaka

Email: hkusaka, followed by @mit.edu

Hiroyuki Kusaka was a visiting scientist from Fujikura Ltd. He completed his Ph.D. in engineering from the University of Tsukuba, with a theme of electron transport in nanoscale structures. After joining Fujikura, he worked on various photonics projects, including wavelength converters, silicon photonics modulators, and fiber lasers. He also engaged in AI development for industrial use. While in the Synthetic Neurobiology group, he was in charge of designing and testing optical devices, made via implosion fabrication.

Publications

Isotropic shrinkage of patterned vacancies enables three-dimensional nanoprecise metastructures for visible light applications

Nature Photonics | 2026

Quansan Yang*, Gaojie Yang*, Takahiro Nambara, Hiroyuki Kusaka, Yuichiro Kunai, Alex C. Matlock, Corban Swain, Brett Pryor, Yannick Salamin, Daniel Oran, Hasindu Kariyawasam, Ramith Hettiarachchi, Dushan Wadduwage, Marin Soljačić, Peter T. C. So** & Edward S. Boyden** (2026) Isotropic shrinkage of patterned vacancies enables three-dimensional nanoprecise metastructures for visible light applications, Nature Photonics https://doi.org/10.1038/s41566-026-01896-1.

QuATON: quantization aware training of optical neurons

Optics Express | 2026

Kariyawasam H, Hettiarachchi R, Yang Q, Matlock A, Nambara T, Kusaka H, Kunai Y, So PTC, Boyden ES, Wadduwage DN (2026) QuATON: quantization aware training of optical neurons, Optics Express 34(1):1-14.