Please use this identifier to cite or link to this item:
Title: Feedback control of persistent-current oscillation based on the atomic-clock technique
Authors: Yu, Deshui
Dumke, Rainer
Keywords: Feedback Control
Persistent Current Oscillations
Issue Date: 2018
Source: Yu, D., & Dumke, R. (2018). Feedback control of persistent-current oscillation based on the atomic-clock technique. Physical Review A, 97(5), 053813-.
Series/Report no.: Physical Review A
Abstract: We propose a scheme of stabilizing the persistent-current Rabi oscillation based on the flux qubit-resonator-atom hybrid structure. The low-Q LC resonator weakly interacts with the flux qubit and maps the persistent-current Rabi oscillation of the flux qubit onto the intraresonator electric field. This oscillating electric field is further coupled to a Rydberg-Rydberg transition of the 87Rb atoms. The Rabi-frequency fluctuation of the flux qubit is deduced from measuring the atomic population via the fluorescence detection and stabilized by feedback controlling the external flux bias. Our numerical simulation indicates that the feedback-control method can efficiently suppress the background fluctuations in the flux qubit, especially in the low-frequency limit. This technique may be extensively applicable to different types of superconducting circuits, paving a way to long-term-coherence superconducting quantum information processing.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.97.053813
Schools: School of Physical and Mathematical Sciences 
Rights: © 2018 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

Files in This Item:
File Description SizeFormat 
Feedback control of persistent-current oscillation based on the atomic-clock technique.pdf1.49 MBAdobe PDFThumbnail

Citations 50

Updated on Sep 28, 2023

Web of ScienceTM
Citations 20

Updated on Oct 2, 2023

Page view(s)

Updated on Oct 3, 2023

Download(s) 50

Updated on Oct 3, 2023

Google ScholarTM




Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.