Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tony C. Kowalczyk0
Hindrick Freerk Bulthuis0
Michael G. Jubber0
Date of Patent
March 30, 2010
0Patent Application Number
121308230
Date Filed
May 30, 2008
0Patent Primary Examiner
Patent abstract
Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material. Q>=2 or the number of compensation materials is at least 2 or both.
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