Quantum computing with subwavelength atomic arrays
- URL: http://arxiv.org/abs/2306.08555v2
- Date: Fri, 19 Jan 2024 09:36:42 GMT
- Title: Quantum computing with subwavelength atomic arrays
- Authors: Freya Shah, Taylor L. Patti, Oriol Rubies-Bigorda, Susanne F. Yelin
- Abstract summary: Three-level quantum emitters embedded in a two-dimensional atomic array serve as a platform for quantum computation.
We design and simulate a set of universal quantum gates consisting of the $sqrttextiSWAP$ and single-qubit rotations.
These findings establish subwavelength emitter arrays as an alternative platform for quantum computation and quantum simulation.
- Score: 1.1674893622721483
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Photon-mediated interactions in subwavelength atomic arrays have numerous
applications in quantum science. In this manuscript, we explore the potential
of three-level quantum emitters, or ``impurities" embedded in a two-dimensional
atomic array to serve as a platform for quantum computation. By exploiting the
altered behavior of impurities as a result of the induced dipole-dipole
interactions mediated by subwavelength array, we design and simulate a set of
universal quantum gates consisting of the $\sqrt{\text{iSWAP}}$ and
single-qubit rotations. We demonstrate that these gates have very high
fidelities due to the long atomic dipole-dipole coherence times, as long as the
atoms remain within a proximal range. Finally, we design and simulate quantum
circuits leading to the generation of the maximally entangled two-qubit Bell
states, as well as the entangled three-qubit GHZ state. These findings
establish subwavelength emitter arrays as an alternative platform for quantum
computation and quantum simulation.
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