Robust dynamical decoupling with concatenated continuous driving
By J.-M. Cai, B. Naydenov, R. Pfeiffer, L. McGuinness, K. D. Jahnke, Fedor Jelezko, Martin Bodo Plenio, A. Retzker. 2011
180 citations recorded by the source corpus.
The loss of coherence is one of the main obstacles for the implementation of quantum information processing. The efficiency of dynamical decoupling schemes, which have been introduced to address this problem, is limited itself by the fluctuations in the driving fields which will themselves introduce noise. We address this challenge by introducing the concept of concatenated continuous dynamical decoupling, which can overcome not only external magnetic noise but also noise due to fluctuations in driving fields. We show theoretically that this approach can achieve relaxation limited coherence times, and demonstrate experimentally that already the most basic implementation of this concept yields an order of magnitude improvement to the decoherence time for the electron spin of nitrogen vacancy centers in diamond. The proposed scheme can be applied to a wide variety of other physical systems, including trapped atoms and ions and quantum dots, and may be combined with other quantum technologies challenges such as quantum sensing and quantum information processing.
Subfields: Atomic and Molecular Physics, and Optics, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/27091072788cb9b4ffe9d4e3985de8197da450ef
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In Atomic and Molecular Physics, and Optics
- Thomas Schulte-Herbrüggen
- Ronnie Kosloff
- Dominique Sugny
- Philip Richerme
- Tommaso Calarco
- Christiane P. Koch
- Frank K. Wilhelm
- Steffen J. Glaser
Citations in the corpus
- Realization of a Quantum Integer-Spin Chain with Controllable Interactions (2014, background): “This is mainly a concern in chains longer than two ions (although inhomogeneous Rabi frequencies Ωi can cause Vi;m-induced dephasing even for two spins), and could be compensated by adding an extra driving term to cancel the inhomogeneities or by applying a series of echo pulses [62,63].”
- Training Schrödinger’s cat: quantum optimal control (2015, methodology): “The use of control methods in a broader sense has allowed for further significant experimental achievements, such as to improve of the coherence of a qubit, realized by the electron spin in an NV center, using dynamical decoupling [66].”
- Dynamical decoupling for superconducting qubits: A performance survey (2022, unknown): “[82]).”