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

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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: RanaAdhikari, YanbeiChenand Nicolas Smith-Lefebvre

- Reconstructing the quantum state of the system
- DeducetheWigner-function

Outgoingopticalfield:Local oscillator:Photocurrent:Signal:

We want:Constraints:

- Calculatingthefullfilteringfunctionforboth quadratures
- Obtainingthecovariancematrix
- Comparingresultswithactualexperiments

- RanaAdhikari, YanbeiChenand Nicolas Smith-Lefebvre
- BassamHelou
- Michael Coughlin
- Alan Weinstein