The Columbia County town of nearly 3,000 got high-speed Internet last week with the completion of a broadband fiber-optic ...

Optical spectrum analyzers (OSA) can divide a lightwave signal into ... In this way, the many signals combined on a single fiber in a dense wavelength division multiplexing (DWDM) system can be taken ...

Our editors also may be in touch with follow-up questions. If you can’t get fiber internet ... you’ll pay a bit more. Spectrum charges $65 to send a technician out to set up your internet ...