Optical waveguides – Directional optical modulation within an optical waveguide
Reexamination Certificate
2011-07-05
2011-07-05
Le, Uyen-Chau N (Department: 2874)
Optical waveguides
Directional optical modulation within an optical waveguide
C385S022000, C359S288000
Reexamination Certificate
active
07974502
ABSTRACT:
An optical module controls its output characteristics electrically and an optical switch constitutes the optical module. An optical waveguide circuit (PLC) and an electronic circuit (IC) for driving the PLC are mounted on the same substrate. The IC is composed of a bare chip to be molded afterward. Wiring of the IC is grouped and integrated on the PLC substrate to achieve higher density and miniaturization of the optical module.
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Goh Takashi
Himeno Akira
Ishii Motohaya
Kitagawa Takeshi
Mino Shinji
Bedtelyon John M
Le Uyen-Chau N
Nippon Telegraph and Telephone Corporation
Workman Nydegger
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