K. Warabi

Backside Optical I/O Module for Si Photonics Integrated with Electrical ICs Using Fan-Out Wafer Level Packaging Technology

K. Ohira, H. Yoshida, Y. Sugizaki, 2018, 2018 IEEE 68th Electronic Components and Technology Conference (ECTC).

Efficient- and Broadband-Coupled Selective Spot-Size Converters With Damage-Free Graphene Integration Process

H. Nakajima, Tsuyoshi Yamamoto, T. Tsuchizawa, 2014, IEEE Photonics Journal.

Characterization of Optical Absorption and Polarization Dependence of Single-Layer Graphene Integrated on a Silicon Wire Waveguide

Hiroki Hibino, Koji Yamada, Hirochika Nakajima, 2013 .

Structural optimization for modulation efficiency enhancement in a top-gated graphene optical modulator

H. Nakajima, Tsuyoshi Yamamoto, Koji Yamada, 2015, 2015 Conference on Lasers and Electro-Optics (CLEO).

Q factor variation in graphene-loaded silicon ring resonators

H. Nakajima, Tsuyoshi Yamamoto, T. Tsuchizawa, 2014, 2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications.

Selectively formed spot-size converters for efficient coupling in graphene-integrated silicon photonics

H. Nakajima, K. Yamada, H. Nishi, 2015 .

Ultra-fine metal gate operated graphene optical intensity modulator

H. Nakajima, Tsuyoshi Yamamoto, T. Tsuchizawa, 2016 .

Optical absorption characteristics and polarization dependence of single-layer graphene on silicon waveguide

Hiroki Hibino, Koji Yamada, Hirochika Nakajima, 2014, IEICE Trans. Electron..