Mode engineering for realistic quantum-enhanced interferometry

  title={Mode engineering for realistic quantum-enhanced interferometry},
  author={Michał Jachura and R. Chrapkiewicz and R. Demkowicz-Dobrzański and W. Wasilewski and K. Banaszek},
  journal={Nature Communications},
  • Michał Jachura, R. Chrapkiewicz, +2 authors K. Banaszek
  • Published 2016
  • Physics, Medicine
  • Nature Communications
  • Quantum metrology overcomes standard precision limits by exploiting collective quantum superpositions of physical systems used for sensing, with the prominent example of non-classical multiphoton states improving interferometric techniques. Practical quantum-enhanced interferometry is, however, vulnerable to imperfections such as partial distinguishability of interfering photons. Here we introduce a method where appropriate design of the modal structure of input photons can alleviate… CONTINUE READING

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