Optical waveguides – Integrated optical circuit
Reexamination Certificate
2007-06-19
2009-10-06
Connelly Cushwa, Michelle R (Department: 2874)
Optical waveguides
Integrated optical circuit
C385S015000, C385S031000, C385S129000, C438S031000
Reexamination Certificate
active
07599585
ABSTRACT:
An optical apparatus comprises: a semiconductor substrate; a semiconductor optical device integrally formed on the substrate and having a device end face; and a low-index planar optical waveguide integrally formed on the semiconductor substrate at the device end face. The waveguide is end-coupled at its proximal end to the optical device through the device end face and is arranged so as to comprise a waveguide mode converter. The waveguide is arranged at its distal end to transmit or receive an optical signal through its distal end to or from another low-index optical waveguide end-coupled with the integrally-formed waveguide and assembled with the integrally-formed waveguide, optical device, or substrate. The optical apparatus can further comprise a discrete low-index optical waveguide assembled with the integrally-formed waveguide, optical device, or substrate so as to be end-coupled with the integrally-formed waveguide at its distal end.
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Blauvelt Henry A.
Grosjean Charles I.
Lee Hao
Monzon Franklin G.
Nguyen Katrina H.
Alavi David S.
Connelly Cushwa Michelle R
HOYA Corporation USA
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