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Title: The dynamical model of flying-qubit control systems
Authors: Li, WL
Zhang, G 
Wu, RB
Issue Date: 2020
Source: IFAC-PapersOnLine, 2020, v. 53, no. 2, p. 299-303
Abstract: The control of flying qubits is crucial for the interconnection of quantum information processing units in the future applications. Physically, this class of problems can be modeled by the radiation of optical fields from a standing qubit (natural or artificial atoms). The photon statistics of the output field emitted from a quantum system coupled to multiple waveguides is complicated when the exciton number is not conserved, especially in presence of coherent driving that is crucial for control and optimization. In this paper, we use quantum stochastic differential equation (QSDE) to describe the photon generation process, and derive the dynamical jumps induced by photon emission. Numerical simulations show that this model can be applied to analyze the manipulation process of single qubits.
Keywords: Quantum control
Optimal control
Publisher: Elsevier Ltd.
Journal: IFAC-PapersOnLine 
ISSN: 2405-8971
EISSN: 2405-8963
DOI: 10.1016/j.ifacol.2020.12.139
Description: 21st IFAC World Congress, Berlin, Germany, 11–17 July 2020
Rights: Copyright © 2020 The Authors. This is an open access article under the CC BY-NC-ND license (
The following publication Li, W. L., Zhang, G., & Wu, R. B. (2020). The dynamical model of flying-qubit control systems. IFAC-PapersOnLine, 53(2), 299-303 is available at
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