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  1. Home
  3. Constructing Qubit Edge States By Inverse-designing The Electromagnetic Environment.
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  3. Constructing Qubit Edge States By Inverse-designing The Electromagnetic Environment.

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Constructing Qubit Edge States by Inverse-Designing the Electromagnetic Environment.

A Miguel-Torcal1,2, T F Allard1,2, P A Huidobro1,2

  • 1Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid, E-28049 Madrid, Spain.

ACS Photonics
|October 20, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

We used inverse design to create topological photonic structures for qubits. These structures robustly stabilize topological edge states, crucial for quantum technologies.

Keywords:
chainchiraledge-stateexcitonicinverse-designsymmetrytopological

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Area of Science:

  • Quantum photonics
  • Topological materials science
  • Computational physics

Background:

  • Topological photonics offers novel ways to control light-matter interactions.
  • Computational optimization techniques are advancing material design.
  • Qubit interactions are key for quantum information processing.

Purpose of the Study:

  • To inverse-design a dielectric structure for interacting qubits.
  • To emulate an extended, dimerized Su-Schrieffer-Heeger excitonic model.
  • To explore the emergence and robustness of topological edge states.

Main Methods:

  • Utilizing advances in topological photonics and computational optimization.
  • Designing a periodic dielectric structure around a qubit chain.
  • Systematically tuning structural parameters to analyze coherent and dissipative effects.

    • Main Results:

    • Precise control over photon-mediated qubit interactions was achieved.
    • Topological edge states were shown to be robust and isolated from the bulk.
    • Key topological properties were preserved despite disorder and deviations from chiral symmetry.

    Conclusions:

    • Inverse design is effective in stabilizing topological excitonic states.
    • The designed structures offer robust topological properties for qubit systems.
    • This approach opens new avenues for advanced quantum technologies.