The expediency of reducing to two the number of symmetrical twisted pairs cable of Long Ethernet systems has been justified. The possibility of the design optimization of such a cable has been shown.

The cascadability performance of (1) 30 arrayed waveguide grating (de)multiplexers alone and (2) 15-wavelength selective crossconnect paths were investigated. For the first time, a four-channel ...

The nonprofit channel financed by cable and satellite companies is feeling the squeeze as the number of traditional pay TV customers shrinks.