Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2007-07-24
2007-07-24
Connelly-Cushwa, Michelle (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
Reexamination Certificate
active
11497040
ABSTRACT:
A wavelength division coupler capable of dividing and coupling at least three wavelengths is provided. The wavelength division coupler includes a first waveguide having a first end and a second end, a second waveguide having a third end and a fourth end, in which a section between the third end and the fourth end is located adjacently to one end of the first waveguide to form a mode coupling section for dividing or coupling an input light, and a Bragg zone having a Bragg grating in the mode coupling section formed in portions of die first waveguide and the second waveguide.
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Oh Yun-Kyung
Song Jeong-Hwan
Cha & Reiter LLC
Chu Chris
Connelly-Cushwa Michelle
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