Park, Vaughn, Fleming & Dowler LLP
Integrated laser with back-reflection isolator
An integrated circuit includes an optical source (such as a laser) with a lens, which is disposed on an isolator. This isolator is disposed on a semiconductor layer in a silicon-on-insulator (SOI) platform that includes an optical coupler and an optical waveguide. During operation, the optical source generates an optical signal that propagates toward the isolator so that the lens focuses the optical signal. Furthermore, the isolator reduces or eliminates back reflection of the optical signal toward the optical source, and the optical coupler couples the optical signal into the optical waveguide.
ORACLE INTERNATIONAL CORPORATION
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Ashok V. Xuezhe Kannan
Krishnamoorthy Zheng Raj