The dynamical model of flying-qubit control systems

Wen Long Li, Guofeng Zhang, Re Bing Wu

Research output: Journal article publicationConference articleAcademic researchpeer-review

3 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)299-303
Number of pages5
Issue number2
Publication statusE-pub ahead of print - Nov 2020
Event21st IFAC World Congress 2020 - Berlin, Germany
Duration: 12 Jul 202017 Jul 2020


  • Optimal control
  • Quantum control

ASJC Scopus subject areas

  • Control and Systems Engineering


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