High-Fidelity, Low-Loss State Detection of Alkali-Metal Atoms in Optical Tweezer Traps

Matthew N. H. Chow, Bethany J. Little, Yuan-Yu Jau

We demonstrate discrimination of ground-state hyperfine manifolds of a cesium atom in an optical tweezer using a simple probe beam with 99.91(2)% detection fidelity and 0.9(2)% det…