Superimposing a blue-detuned repulsive beam onto an attractive optical tweezer creates a barricade that suppresses light-assisted collision loss, enabling cumulative fill fractions exceeding 80% after four loading cycles for both 87Rb and CaF.
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Near-deterministic loading of optical tweezer arrays via repulsive barricade potentials
Superimposing a blue-detuned repulsive beam onto an attractive optical tweezer creates a barricade that suppresses light-assisted collision loss, enabling cumulative fill fractions exceeding 80% after four loading cycles for both 87Rb and CaF.