Photonic Integrated Circuit

Integration of Optical Isolator with Laser Diode
Integrated Isolator
Generalized Treatment of Coupled Waveguide

High-functioning Switching Devices

Wavelength-selective Switch for On-chip WDM Networks
Low-Power-Consumption Magneto-Optic Switch with Self-Holding Operation

All-Optical Signal Processing

All-Optical Routing System
Optically-Controlled Optical Devices

Eletromagnetic Wave Absorber

EMI Absorber and Application to Anechoic Chamber
Absorber for Outer Wall