Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsung-Ein Tsai0
Gabel Chong0
Junnarker Mahesh0
Date of Patent
February 13, 2007
0Patent Application Number
111510100
Date Filed
June 13, 2005
0Patent Primary Examiner
Patent abstract
A thermo-optical device may use a heater to tune an optical device such as an optical switch, a Mach-Zehnder interferometer, or a variable optical attenuator, to mention a few examples. In some embodiments, polarization-dependent losses caused by the heating and power efficiency may be improved by defining a clad core including an optical core and cladding material on a substrate and covering the clad core on three sides with a heater.
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