Beam delivery system

A beam delivery system comprising:

• a beam delivery photonic integrated circuit comprising:
• a first waveguide layer and a second waveguide layer;
• the first waveguide layer comprising:
• a first optical input;
• a plurality of first waveguide outputs, wherein the plurality of first waveguide outputs are tapered;
• a plurality of first beam paths, each first beam path connecting one of the plurality of first waveguide outputs to the first optical input,
• wherein at least one of the plurality of waveguide outputs that is connected to a first optical input of the one or more optical inputs is directed to a photodetector configured to measure an intensity of the waveguide output directed to the photodetector, and
• wherein each of the plurality of beam paths connected to the first optical input comprise a respective optical element configured to provide a respective beam having a respective power that is substantially constant by removing power fluctuations from the respective beam provided via a respective waveguide output of the plurality of waveguide outputs based on the intensity of the waveguide output directed to the photodetector,
• the second waveguide layer comprising:
• a second optical input;
• a plurality of second waveguide outputs, wherein the plurality of second waveguide outputs are tapered;
• a plurality of second beam paths, each second beam path connecting one of the plurality of second waveguide outputs to the second optical input;
• wherein the beam delivery photonic integrated circuit is on a chip;
• a telecentric optical relay assembly, the telecentric optical relay assembly configured to receive beams provided by at least one of the plurality of first waveguide outputs and at least one of the plurality of second waveguide outputs, and the telecentric optical relay assembly further configured to focus each received beam on a corresponding plurality of positions of an atomic object confinement apparatus in a telecentric manner.

A beam delivery system comprising:

• a beam delivery photonic integrated circuit comprising:
• a plurality of optical inputs;
• a plurality of waveguide outputs, wherein each of the plurality of waveguide outputs is tapered,
• a plurality of beam paths, each beam path connecting one of the plurality of waveguide outputs to one of the plurality of optical inputs,
• wherein at least one of the plurality of waveguide outputs that is connected to a first optical input of the one or more optical inputs is directed to a photodetector configured to measure an intensity of the waveguide output directed to the photodetector,
• wherein each of the plurality of beam paths connected to the first optical input comprises a respective optical element configured to provide a respective beam having a respective power that is substantially constant by removing power fluctuations from the respective beam provided via a respective waveguide output of the plurality of waveguide outputs based on the intensity of the waveguide output directed to the photodetector,
• wherein the beam delivery photonic integrated circuit is on a chip;
• wherein the respective beam is provided via the respective waveguide output to a respective position of an atomic object confinement apparatus, and
• wherein the atomic object confinement apparatus and the beam delivery photonic integrated circuit are disposed within a vacuum chamber.