Sadao Ibukuro

Optical communication system and optical receiver

Signal multiplexing apparatus and stuff controlling method therein

Light transmitter having an automatic bias control circuit

Optical node system and switched connection method

Optical transmitter, terminal-station apparatus having the optical transmitter, and optical communication system

Wavelength dispersion measuring device and a method thereof

Automatic gain control amplifier for compensating cable loss

Optical transmitter, terminal-station apparatus having the optical transmitter and optical communication system, monitoring the optical transmitted signal

Optical modulator with reduced deterioration of optical waveform in high frequency band

Audio Output Circuit and Audio Output Method