Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-05-29
2007-05-29
Ullah, Akm (Department: 2809)
Optical waveguides
With optical coupler
Particular coupling structure
C385S015000
Reexamination Certificate
active
11063595
ABSTRACT:
A method of producing a PLC based optical component comprising: defining a waveguide; etching a notch thereby defining a facet of the waveguide; and cutting a trench in front of the notch, the cutting being accomplished subsequent to the etching, whereby at least a portion of the trench is displaced from the facet by the notch. The invention also provides for a PLC based optical component comprising: a substrate; a waveguide deposited above the substrate, the waveguide exhibiting a facet; a notch etched in front of the facet of the waveguide; and a trench cut in front of the notch.
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Avni Eitan
Margalit Moti
Rogovsky Gideon
Kahn Simon
Lam Hung
Lambda Crossing
Ullah Akm
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