Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 23, 2010
Patent Application Number
11558847
Date Filed
November 10, 2006
Patent Primary Examiner
Patent abstract
The present invention is a method and an apparatus for tuning an optical delay line. In one embodiment, an optical delay line includes at least one ring resonator in which light is guided or is confined and at least one heater positioned laterally from the ring resonator. The heater produces heat in a localized area, allowing for the tuning of individual delay elements with minimal crosstalk.
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