Kazumi Wada

Enhanced direct bandgap emission in germanium by micromechanical strain engineering.

Bandgap control using strained beam structures for Si photonic devices.

Emission wavelength tuning by mechanical stressing of GaAs/Ge/Si microbeams.

Demonstration of optical computing logics based on binary decision diagram.

Strain induced bandgap and refractive index variation of silicon.

Focus on silicon photonics.

High-performance silicon photonics technology for telecommunications applications.