Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Larry A. Coldren0
Gregory A. Fish0
Date of Patent
January 5, 2010
0Patent Application Number
111803470
Date Filed
July 13, 2005
0Patent Primary Examiner
Patent abstract
The present invention relates to the tailoring the reflectivity spectrum of a sampled-grating distributed Bragg reflector (SGDBR) by applying digital sampling theory to choose the way each reflector is sampled. The resulting mirror covers a larger wavelength span and has peaks with a larger, more uniform, coupling constant (κ) than the mirrors produced using conventional approaches. The improved mirror also retains the benefits of the sample grating approach. Additionally, most of the embodiments are relatively simple to manufacture.
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