Optical fibre transmission systems
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United States of America Patent
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-
Sep 4, 1990
Issued Date -
N/A
app pub date -
Dec 16, 1987
filing date -
Jul 11, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for producing an optical delay in an optical signal having variable optical frequency, the optical delay varying with the optical frequency, comprises a chirped Bragg reflector formed in an optical fiber and a directional coupler for separating the reflected signal from the input signal. One application of the device is for chromatic dispersion equalization. Various methods of manufacturing the chirped Bragg reflector are described.
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