Telecommunication system having frequency-dividing optical components for the parallel processing of optical pulses
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United States of America Patent
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Mar 6, 2001
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N/A
app pub date -
Jun 25, 1997
filing date -
Jun 25, 1997
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Abstract
A telecommunication system having frequency-dividing optical components where light pulses having different frequencies are coupled out of a optical fiber by fiber grating and/or photonic crystals and imaged by focusing elements outside of the optical fiber. The fiber grating for different frequencies can be used in a single period or in different periods disposed one after the other. The photonic crystals can be used at the optical fiber extremity or etched in a channel or trench in a glass fiber. Delay elements are added to ensure that different frequency light pulses are imaged simultaneously in a given and desired time relation as required for further parallel processing.
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