Heralded Bell State of Dissipative Qubits Using Classical Light in a Waveguide.

  title={Heralded Bell State of Dissipative Qubits Using Classical Light in a Waveguide.},
  author={Xin H. H. Zhang and Harold U. Baranger},
  journal={Physical review letters},
  volume={122 14},
Maximally entangled two-qubit states (Bell states) are of central importance in quantum technologies. We show that heralded generation of a maximally entangled state of two intrinsically open qubits can be realized in a one-dimensional (1D) system through strong coherent driving and continuous monitoring. In contrast to the natural idea that dissipation leads to decoherence and so destroys quantum effects, continuous measurement and strong interference in our 1D system generate a pure state… 

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