minimising quantum back action noise in quantum state tomography of cavities
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Minimising Quantum Back-Action Noise in Quantum State Tomography of Cavities. Bence Börcsök Mentors : Rana Adhikari , Yanbei Chen and Nicolas Smith-Lefebvre. Quantum Tomography. Reconstructing the quantum state of the system Deduce the Wigner-function. Broadband cavity.

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minimising quantum back action noise in quantum state tomography of cavities

Minimising Quantum Back-Action Noise in Quantum State Tomography of Cavities

Bence Börcsök

Mentors: RanaAdhikari, YanbeiChenand Nicolas Smith-Lefebvre

quantum tomography
Quantum Tomography
  • Reconstructing the quantum state of the system
  • DeducetheWigner-function
homodyne detection1
Homodynedetection

Outgoingopticalfield:Local oscillator:Photocurrent:Signal:

normalisation
Normalisation

We want:Constraints:

further work
Furtherwork
  • Calculatingthefullfilteringfunctionforboth quadratures
  • Obtainingthecovariancematrix
  • Comparingresultswithactualexperiments
acknowledgement s
Acknowledgements
  • RanaAdhikari, YanbeiChenand Nicolas Smith-Lefebvre
  • BassamHelou
  • Michael Coughlin
  • Alan Weinstein
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