Spin-dependent Optical Superlattice
Bing Yang, Han-Ning Dai, Hui Sun, Andreas Reingruber, Zhen-Sheng Yuan,, and Jian-Wei Pan
TL;DR
This paper introduces a novel optical superlattice scheme for precise, spin-dependent manipulation of atoms, enabling advanced quantum state engineering for simulation and computation.
Contribution
It presents a new lattice design utilizing vector light shifts for coherent, parallel spin control with subwavelength resolution, advancing quantum manipulation techniques.
Findings
Successful demonstration of parallel spin addressing in double-wells and plaquettes
Verification of quantum coherence through tunneling and spin exchange measurements
Potential for engineering complex many-body quantum states
Abstract
We propose and implement a lattice scheme for coherently manipulating atomic spins. Using the vector light shift and a superlattice structure, we demonstrate experimentally the capability on parallel spin addressing in double-wells and square plaquettes with subwavelength resolution. Quantum coherence of spin manipulations is verified through measuring atom tunneling and spin exchange dynamics. Our experiment presents a building block for engineering many-body quantum states in optical lattices for realizing quantum simulation and computation tasks.
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