19 Apr '17, 1pm

Smart Semi Fiber Does It All | EE Times

Smart Semi Fiber Does It All | EE Times

Dumb optical fibers used today merely transmit photons down a glass conduit surrounded by a tough flexible polymer coating. The optimal signals stay within the fiber by reflecting off the glass-to-polymer interfaces for nearly lossless transmissions over long distances. Unfortunately, all the data they convey comes from computers thereby requiring a costly electronics-to-photonics conversion module at the transmission end. Likewise, the receiver is an electronic computer requiring another costly photonics-to-electronics converter at the receiving end. To boot, extra long runs between cities require "repeaters" which use extra-sensitive photonics-to-electronics conversion, then electronic amplification, then extra-strong electronics-to-photonics converters to pass the optical signal to the next repeater (and finally to its destination).

Full article: http://www.eetimes.com/document.asp?doc_id=1331615

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