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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Quantum computing with incoherent resources and quantum jumps.

M F Santos1, M Terra Cunha, R Chaves

  • 1Departamento de Física, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.

Physical Review Letters
|June 12, 2012
PubMed
Summary
This summary is machine-generated.

Spontaneous emission and photon scattering can be used to build quantum computation blocks. This method protects qubits from decoherence, enabling efficient graph state preparation for measurement-based quantum computation.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Area of Science:

  • Quantum Information Science
  • Quantum Optics
  • Quantum Computation

Background:

  • Spontaneous emission and inelastic photon scattering typically cause decoherence.
  • These processes reduce the capacity for quantum information processing.

Purpose of the Study:

  • To demonstrate that detected photons from spontaneous emission and scattering can form quantum computation building blocks.
  • To show how these processes can protect qubits from decoherence.
  • To exemplify the preparation of graph states for measurement-based quantum computation.

Main Methods:

  • Utilizing detected photons from spontaneous emission.
  • Leveraging detected photons from inelastic scattering.
  • Developing methods for efficient graph state preparation.

Main Results:

  • Spontaneous emission and photon scattering, when suitably detected, are sufficient to construct fundamental quantum computation blocks.
  • The proposed method protects emitting qubits from deleterious dissipative effects.
  • Efficient preparation of graph states for measurement-based quantum computation is demonstrated.

Conclusions:

  • Detected photons from natural quantum processes can be harnessed for robust quantum computation.
  • This approach offers a pathway to overcome decoherence challenges in quantum computing.
  • The findings are crucial for advancing measurement-based quantum computation architectures.