Proposal for High-Fidelity Quantum Simulation Using a Hybrid Dressed State

Jianming Cai, Itsik Cohen, Alex Retzker, Martin B. Plenio

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A fundamental goal of quantum technologies concerns the exploitation of quantum coherent dynamics for the realization of novel quantum applications such as quantum computing, quantum simulation, and quantum metrology. A key challenge on the way towards these goals remains the protection of quantum coherent dynamics from environmental noise. Here, we propose a concept of a hybrid dressed state from a pair of continuously driven systems. It allows sufficiently strong driving fields to suppress the effect of environmental noise while at the same time being insusceptible to both the amplitude and phase noise in the continuous driving fields. This combination of robust features significantly enhances coherence times under realistic conditions and at the same time provides new flexibility in Hamiltonian engineering that otherwise is not achievable. We demonstrate theoretically applications of our scheme for a noise-resistant analog quantum simulation in the well-studied physical systems of nitrogen-vacancy centers in diamond and of trapped ions. The scheme may also be exploited for quantum computation and quantum metrology.

Original languageAmerican English
Article number160504
JournalPhysical Review Letters
Volume115
Issue number16
DOIs
StatePublished - 16 Oct 2015

Bibliographical note

Publisher Copyright:
© 2015 American Physical Society.

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