Method of coupling fiber to waveguide

Optical waveguides – With optical coupler – Particular coupling structure

Reexamination Certificate

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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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