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Quantum State Engineering by Shortcuts to Adiabaticity in Interacting Spin-Boson Systems

Lookup NU author(s): Dr Obinna AbahORCiD

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Abstract

We present a fast and robust framework to prepare nonclassical states of a bosonic mode exploiting a coherent exchange of excitations with a two-level system ruled by a Jaynes-Cummings interaction mechanism. Our protocol, which is built on shortcuts to adiabaticity, allows for the generation of arbitrary Fock states of the bosonic mode, as well as coherent quantum superpositions of a Schrödinger cat-like form. In addition, we show how to obtain a class of photon-shifted states where the vacuum population is removed, a result akin to photon addition, but displaying more nonclassicality than standard photon-added states. Owing to the ubiquity of the spin-boson interaction that we consider, our proposal is amenable for implementations in state-of-the-art experiments.

Publication metadata

Author(s): Abah O, Puebla R, Paternostro M

Publication type: Article

Publication status: Published

Journal: Physical Review Letter

Year: 2020

Volume: 124

Issue: 18

Online publication date: 07/05/2020

Acceptance date: 20/04/2020

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114

Publisher: APS

URL: https://doi.org/10.1103/PhysRevLett.124.180401

DOI: 10.1103/PhysRevLett.124.180401

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