Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-01-16
2007-01-16
Lee, John D. (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S028000, C385S039000, C385S049000
Reexamination Certificate
active
11327920
ABSTRACT:
An optical apparatus comprises an optical device fabricated on a substrate, an external-transfer optical waveguide fabricated on the substrate and/or on the optical device, and a transmission optical waveguide. The optical device and/or the external-transfer waveguide are adapted for and positioned for transfer of optical power therebetween (end-transfer or transverse-transfer). The external-transfer waveguide and/or the transmission waveguide are adapted for transverse-transfer of optical power therebetween (mode-interference-coupled or adiabatic). The transmission waveguide is initially provided as a component mechanically separate from the substrate, device, and external-transfer waveguide. Assembly of the transmission waveguide with the substrate, device, and/or external-transfer waveguide results in relative positioning of the external-transfer waveguide and the transmission waveguide for enabling transverse-transfer of optical power therebetween. Optical power transfer between the device and the transmission waveguide through the external-transfer waveguide is thereby enabled. The transmission waveguide may preferably comprise a planar waveguide on a waveguide substrate.
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Blauvelt Henry A.
Paslaski Joel S.
Vahala Kerry J.
Vernooy David W.
Alavi David S.
Christie Parker & Hale LLP
Lee John D.
Xponent Photonics Inc.
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