Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2011-07-12
2011-07-12
Peace, Rhonda S (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S039000
Reexamination Certificate
active
07978943
ABSTRACT:
In one or more embodiments, an optical fiber coupler for coupling pump radiation into a rectangular optical fiber includes a fiber section and a pump fiber. The fiber section includes a core having a high aspect ratio cross-section and an interface section. The core is positioned in contact with first and second signal claddings to form reflective boundaries at fast-axis boundaries of the core. The pump fiber is side coupled to the fiber section via the interface section, and configured to couple the pump radiation into the fiber section.
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Rockwell David Alan
Shkunov Vladimir V.
Wentlandt Joshua Nathan
Peace Rhonda S
Pillsbury Winthrop Shaw & Pittman LLP
Raytheon Company
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