Matches 1 - 4 out of 4
Match Document Document Title
US20090257745 METHOD AND APPARATUS FOR TESTING TRANSMITTERS IN OPTICAL FIBER NETWORKS  
An eye mask is provided that is defined at least partially in terms of absolute, or non-relative, optical power level values. In essence, the eye mask of the invention is a hybrid of the...
US20090238563 Optical Signal Transmission Apparatus  
There is provided an optical signal transmission apparatus having a stable dispersion compensation function without unnecessarily controlling a compensation value even when a main signal quality is...
US20080232797 Method of Controlling Optical Amplifier Located Along an Optical Link  
The invention concerns shutting down and restarting optical amplifiers, such as Raman amplifiers, in an optical link, depending whether the optical amplifier is a transmitting side amplifier or a...
US20080080858 COORDINATION OF CONTROL OPERATIONS IN AN OPTICAL NETWORK  
In one embodiment, a control method, according to which a cascade of control messages is propagated between nodes of an optically transparent network, with each message being sent from a node to an...
Matches 1 - 4 out of 4