Kimio Uekama

Light wavelength-multiplexing systems

Wavelength division multiplexing transmission system

Optical packet switching system, optical packet switching device, and optical packet transmitter device

Optical packet switching system and optical packet switching device

WDM system comprising an optical amplifier adapted to switch between AGC, ALC and predetermined safety light modes

Line setting and phase adjusting apparatus for synchronous multiplex communications

Order wire device having function for reducing noise in communication system having a plurality of order wire devices

OPTICAL TRANSMISSION SYSTEM

WDM system suitable to an optical amplifier for switching between AGC, ALC and security operating modes

WDM System mit einem optischen Verstärker geeignet zum Umschalten zwischen AGC-, ALC- und Sicherheits-Betriebsmoden