Abstract
We demonstrate the trapping and manipulation of single neutral atoms in reconfigurable arrays of optical tweezers. Our approach offers unparalleled speed by using a Texas instruments digital micro-mirror device as a holographic amplitude modulator with a frame rate of 20 000 per second. We show the trapping of static arrays of up to 20 atoms, as well as transport of individually selected atoms over a distance of 25 μm with laser cooling and 4 μm without. We discuss the limitations of the technique and the scope for technical improvements.
Highlights
Single neutral atoms are promising candidates for physically realising quantum bits, the fundamental unit of quantum information
The most common traps for neutral atoms are those based on the optical dipole force [8, 9]
Several approaches have been tried for creating reconfigurable traps, for example, acousto-optic deflectors (AODs) [13,14,15] and liquid crystal spatial light modulators (SLMs) [16,17,18]
Summary
Our approach offers unparalleled speed by using a Texas instruments digital microlicence. Mirror device as a holographic amplitude modulator with a frame rate of 20 000 per second. We discuss the limitations of the technique the work, journal citation and the scope for technical improvements
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