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US 6,721,087 B2Granted
Optical amplifier with distributed evanescently-coupled pump
AssigneeIntel Corporation
InventorsAndrew C. Alduino, Dmitri E. Nikonov, David S. Funk, Christopher J. Scholz
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Abstract
An optical amplifier comprises a device substrate, a first waveguide embedded in the device substrate, a plurality of pumping waveguides coupled along interspersed portions of the first waveguide, and a plurality of lasers. The lasers are positioned to provide pumping light beams into the pumping waveguides.
Claims17
An optical amplifier comprising:
- a device substrate;
- a first waveguide embedded in the device substrate;
- a plurality of pumping waveguides successively coupled along interspersed portions of the first waveguide;
- and
- a plurality of lasers positioned to provide a plurality of pumping light beams into the plurality of pumping waveguides.
2 more elements
An optical amplifier comprising:
- a device substrate;
- a first waveguide embedded in the device substrate;
- a plurality of pumping waveguides coupled along interspersed portions of the first waveguide;
- and
- a plurality of lasers positioned to provide a plurality of pumping light beams into the plurality of pumping waveguides,
- wherein the plurality of pumping waveguides are coupled to the first waveguide at evenly spaced intervals.
3 more elements
An optical amplifier comprising:
- a device substrate;
- a first waveguide embedded in the device substrate;
- a plurality of pumping waveguides coupled along interspersed portions of the first waveguide;
- and a plurality of lasers positioned to provide a plurality of pumping light beams into the plurality of pumping waveguides,
- wherein the plurality of lasers are vertical cavity surface emitting lasers.
2 more elements
A method of amplifying an optical signal comprising:
- directing the optical signal through a waveguide, the optical signal having a first direction of propagation;
- and
- applying pumping light beams at successively interspersed portions of the waveguide.
An optical amplifier comprising:
- a substrate;
- a first waveguide embedded within the substrate;
- a plurality of pumping waveguides successively coupled to the first waveguide to successively pump a light signal in the first waveguide.
An optical amplifier comprising:
- a substrate;
- a first waveguide embedded within the substrate;
- a plurality of pumping waveguides coupled to the first waveguide to successively pump a light signal in the first waveguide,
- wherein the interspersed portions are evenly spaced along the first waveguide.
1 more element
Dependencies are inferred from the claim text.