Beam delivery system
A beam delivery system is provided that includes a beam delivery photonic integrated circuit. The beam delivery photonic integrated circuit includes one or more optical inputs; a plurality of waveguide outputs; and a plurality of beam paths. Each beam path connects one of the plurality of waveguide outputs to at least one of the optical inputs. The plurality of waveguide outputs are configured to emit a plurality of parallel beams. The beam delivery photonic integrated circuit is on a chip. The beam delivery system further includes a telecentric optical relay assembly. The telecentric optical relay assembly is configured to receive the plurality of parallel beams provided by the waveguide outputs and focus each received beam on a corresponding one of a plurality of positions of an atomic object confinement apparatus in a telecentric manner.
1. A beam delivery system comprising:
a beam delivery photonic integrated circuit comprising:
one or more optical inputs;
a plurality of waveguide outputs; and
a plurality of beam paths, each beam path connecting one of the plurality of waveguide outputs to at least one of the one or more optical inputs,
wherein the plurality of waveguide outputs are configured to emit a plurality of parallel beams, and
wherein the beam delivery photonic integrated circuit is on a chip; and
a telecentric optical relay assembly, the telecentric optical relay assembly configured to receive the plurality of parallel beams provided by the plurality of waveguide outputs and focus each received beam on a corresponding one of a plurality of positions of an atomic object confinement apparatus in a telecentric manner.
2. The beam delivery system of claim 1 , wherein one or more beam paths of the plurality of beam paths comprises a respective optical element configured to tune a respective beam for at least one of frequency, phase, or intensity.
3. The beam delivery system of claim 2 , wherein the respective optical element is one of an interferometer, a phase modulator, a photodetector, an amplitude modulator, a beam combiner, a beam splitter, a lens, a polarization controller, or a combination of two or more thereof.
4. The beam delivery system of claim 1 , wherein the atomic object confinement apparatus is disposed within a vacuum chamber and the beam delivery system comprises one or more optical elements disposed within the vacuum chamber.
5. The beam delivery system of claim 4 , wherein the one or more optical elements disposed within the vacuum chamber comprise the beam delivery photonic integrated circuit.
6. The beam delivery system of claim 1 , wherein the plurality of beam paths are defined lithographically.
7. The beam delivery system of claim 1 , wherein the plurality of waveguide outputs are located on a polished edge of the beam delivery photonic integrated circuit.
8. The beam delivery system of claim 1 , wherein at least one of the one or more optical inputs is optically connected to two or more of the plurality of waveguide outputs via respective beam paths of the plurality of beam paths, the respective beam paths comprising one or more beam splitters.
9. The beam delivery system of claim 1 , wherein each of the plurality of waveguide outputs are at most 150 micrometers from a next closest of the plurality of waveguide outputs.
10. The beam delivery system of claim 1 , wherein an optical input of the one or more optical inputs is butt-coupled to an optical fiber providing an input beam.
11. The beam delivery system of claim 1 , wherein the beam delivery photonic integrated circuit comprises a first waveguide layer and a second waveguide layer, a first portion of the plurality of beam paths disposed at least in part in the first waveguide layer and a second portion of the plurality of beam paths disposed at least in part in the second waveguide layer.
12. The beam delivery system of claim 11 , wherein at least one of the first waveguide layer or the second waveguide layer comprises a dielectric material.