ArticleScientific reports2018
Protecting quantum resources via frequency modulation of qubits in leaky cavities.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Amplified quantum battery via dynamical modulation.Scientific reports · 2025Article
- Suppressing Decoherence in Quantum State Transfer with Unitary Operations.Entropy (Basel, Switzerland) · 2022Article
- Quantum Information Scrambling in Non-Markovian Open Quantum System.Entropy (Basel, Switzerland) · 2022Article
- Lindblad Dynamics and Disentanglement in Multi-Mode Bosonic Systems.Entropy (Basel, Switzerland) · 2021Article
- Multipartite Entanglement Generation in a Structured Environment.Entropy (Basel, Switzerland) · 2020Article
- Non-Markovianity of qubit evolution under the action of spin environment.Scientific reports · 2019Article
- Improving the Robustness of Entangled States by Basis Transformation.Entropy (Basel, Switzerland) · 2019Article
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Authors and funding
2 authors.
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Abstract
Finding strategies to preserve quantum resources in open systems is nowadays a main requirement for reliable quantum-enhanced technologies. We address this issue by considering structured cavities embedding qubits driven by a control technique known as frequency modulation. We first study a single qubit in a lossy cavity to determine optimal modulation parameters and qubit-cavity coupling regime allowing a gain of four orders of magnitude concerning coherence lifetimes. We relate this behavior to the inhibition of the qubit effective decay rate rather than to stronger memory effects (non-Markovianity) of the system. We then exploit these findings in a system of noninteracting qubits embedded in separated cavities to gain basic information about scalability of the procedure. We show that the determined modulation parameters enable lifetimes of quantum resources, such as entanglement, discord and coherence, three orders of magnitude longer than their natural (uncontrolled) decay times. We discuss the feasibility of the system within the circuit-QED scenario, typically employed in the current quantum computer prototypes. These results provide new insights towards efficient experimental strategies against decoherence.
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