Researcher's Information

Professor

TAKIGUCHI, Koichi

Electrical and Electronic Engineering

Optical signal processing and its application to optical communication and sensing

The capacity of optical communication is being steadily increased, which brings significant benefits to our lives including broadband services of the Internet. However, the signal processing utilizing electronic circuits causes the limit of processing speed and large power consumption in the optical communication. The information photonics laboratory was just established in April 2012, where we aim at research on optical signal processing based on photonic nanotechnology, diffraction, interference, and non-linear optical effect in optical waveguides and fibers. We pursue technology that can process optical signals directly in the optical domain at high-speed and without increasing power consumption. The lightwave also has a feature that enables us to carry out sensitive detection of biological objects and environmental information without disturbing them. By use of this feature and above-mentioned optical signal processing technology developed for the optical communication, we pursue sensitive metrology for biotechnological, medical and environmental fields, and information photonics for multiplexing or fusion of optical sensors.
  • Result obtained with simulation of integrated photonic device.