Surveillance system for passive branched optical networks

Switchable wavelength add/drop component

Switched filter for optical applications

System and a method for limiting the maximum of light...

System and method for communicating data in a network using...

System and method for multiplexing and demultiplexing...

System and method for reducing effects of optical...

System and method for testing optical fibers that lead...

System and method for transmitting parallel signals via an optic

System and method for wavelength division multiplexing and...

System for detecting fault in optical-transmission path

System for modulating optical signals

System for optically demultiplexing wavelength bands

Tapered MMI coupler

Technique for detecting the status of WDM optical signals

Technique for photonic switching

Temperature-independent optical multiplexer and/or...

Transmission of measured values in high-voltage supply units...

Transmission of measured values in high-voltage supply units...

Traveling-wave photodetector