US Patent 7899340 Laser control in a coherent optical receiver
Patent 7899340 was granted and assigned to Ciena (company) on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
Methods and systems for compensating a frequency mismatch Δf between a local Oscillator (LO) of a coherent optical receiver and a carrier of a received optical signal. An average frequency of the LO is controlled to compensate at least long-period variations of the frequency mismatch. An electrical carrier recovery circuit for compensating short period variations of the frequency mismatch.
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US Patent 07899340 Laser control in a coherent optical receiver US Patent 7899340 Laser control in a coherent optical receiver
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Patent Number
0789934000
Patent Number
789934000
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078993400
Date of Patent
March 1, 2011
0Patent Application Number
112790420
Date Filed
April 7, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078993400
Date of Patent
March 1, 2011
0Patent Application Number
112790420
Date Filed
April 7, 2006
0Official Website
Patent Primary Examiner
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US Patent 07899340 Laser control in a coherent optical receiver
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07899340
Date of patent
March 1, 2011
Patent application number
11279042
Date Filed
April 7, 2006
Patent primary examiner
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