Qubit Zoo

Scalable designs for quasiparticle-poisoning-protected topological quantum computation with Majorana zero modes

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Introduces the tetron and hexon qubit designs for topological quantum computation with Majorana zero modes. The tetron uses four MZMs in an H-shaped geometry with measurement-based operations — no physical braiding required. Addresses quasiparticle poisoning protection through design-level constraints. This paper provides the blueprint for Microsoft’s topological qubit architecture.

Key Results

  • Tetron (4 MZMs) and hexon (6 MZMs) qubit designs
  • Measurement-only topological quantum computation — no physical braiding
  • Built-in protection against quasiparticle poisoning
  • Scalable array geometries for fault-tolerant QC
  • Blueprint for Microsoft’s Majorana processor program

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