Waveguide routing configurations and methods
First Claim
Patent Images
1. An optical waveguide comprising:
- a silicon portion including a taper that decreases a width of the silicon portion;
a silicon nitride portion positioned over the silicon portion; and
a bend positioned proximate the taper, wherein the taper changes optical signals traveling through the optical waveguide from multimode to single mode to permit the optical signals to be routed through the bend.
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Abstract
An optical waveguide may include a silicon portion and a silicon nitride portion positioned over the silicon portion. The silicon portion may include a taper that decreases a width of the silicon portion. The optical waveguide may include a transition between a loaded single mode or multimode waveguide to a single mode waveguide. The silicon nitride portion may confine optical signals traveling through the optical waveguide in the silicon portion.
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Citations
19 Claims
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1. An optical waveguide comprising:
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a silicon portion including a taper that decreases a width of the silicon portion; a silicon nitride portion positioned over the silicon portion; and a bend positioned proximate the taper, wherein the taper changes optical signals traveling through the optical waveguide from multimode to single mode to permit the optical signals to be routed through the bend. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. An optical waveguide comprising:
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a silicon portion including a taper that decreases a width of the silicon portion; a silicon nitride portion positioned over the silicon portion; and a bend, wherein the silicon portion and the silicon nitride portion extend through the bend, and the taper decreases a width of the silicon portion prior to the bend.
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14. An optical waveguide comprising:
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a transition between a loaded single mode or multimode waveguide to a single mode waveguide, the transition comprising; a silicon portion; a silicon nitride portion positioned over the silicon portion; and a taper decreasing a width of the silicon portion; a bend positioned proximate the taper, wherein the taper changes optical signals traveling through the optical waveguide from multimode to single mode to permit the optical signals to be routed through the bend. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification