ENGRI111_10_photonics1

ENGRI111_10_photonics1 - EN GRI 111 EN GRI 111 Photonics...

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Unformatted text preview: EN GRI 111 EN GRI 111 Photonics Chapter 21 in the Book Photonics Photonics Until the early 70s the demand for long- distance communications could be met by electronic industry Electronic transmission alone became unable to accommodate needs A new technology needed Photonics Philip Ball – Made to Measure Photonics Photonics I nformation is transmitted by photons (light) rather than electrons First optical fiber transmission line installed in 1988 Most long-distance Cu cables have been replaced – some short distance applications Glass optical fibers can carry thousands of time more information than Cu wires with less power consumption Optoelectronics Optoelectronics All of the data handling at each end of fiber is done by electronics Electronic signals need to be converted to light signals and back Optoelectr onics- integration of optical and electronic devices I ntegration issues - why not do it all with light?...
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This note was uploaded on 02/10/2008 for the course ENGRI 1110 taught by Professor Giannelis during the Spring '07 term at Cornell.

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ENGRI111_10_photonics1 - EN GRI 111 EN GRI 111 Photonics...

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