Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1996-04-16
1999-02-02
Negash, Kinfe-Michael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
385 27, 385 42, H04B 1000
Patent
active
058672931
ABSTRACT:
In a circuit arrangement for dispersion compensation in optical transmission systems by means of an optical filter, an optical transverse filter is provided as a negative dispersion filter, and which has a series of directional couplers which respectively follow one another at a spacing of .tau./2 and are operated as splitters. A series of directional couplers are provided which likewise follow one another at a spacing of .tau./2 and are operated as combiners, the second output of each directional coupler of the directional couplers operated as splitters leading in each case to the second input of the respectively corresponding directional coupler operated as a combiner.
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Negash Kinfe-Michael
Siemens Aktiengesellschaft
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