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. 2023 Apr 3;12:83. doi: 10.1038/s41377-023-01081-x

Table 1.

MOT and atomic clock system specifications

Specs System Blue MOT (461 nm) Red MOT (689 nm) Lattice (813 nm) / Clock (698 nm)
Geometry

• (25 mm)3 photonics package

• Red & blue beams clocked by 35°

• MOT coils to straddle the red and blue beam (LHC beams)

• 5 mm w0

• 3 emitters angled 45° from vertical

• 3 emitters vertical

• 2 mm w0

• 3 emitters angled 45° from vertical

• 3 emitters vertical

• ≈100 µm w0

• 1 vertical emitter each for lattice and clock

Polarization • >75 % polarization fidelities • 2 RHC, 1 LHC • 2 RHC, 1 LHC • Linear, lattice/clock cross polarized
Power • <12 dB on-chip losses • 3 mW per beam • 1 mW per beam

• >100 mW (lattice)

• ≈100 µW (clock)