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Q: Quantenoptik

Q 3: Quanteneffekte I

Q 3.4: Vortrag

Montag, 3. März 1997, 15:00–15:15, N 3

Quantum Correlations and Feedback in a Quantum Network — •A. Liebman and G. Mahler — Institut für Theoretische Physik und Synergetik, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart

We investigate the information which can be gained about the entanglement of two level systems from various types of optical measurements on the fluorescent light from these systems. Examples of these measurements are direct photo-detection and optical homodyne detection.

We use the simulated currents from the detectors to feed back onto appropriate control parameters of the system in order to stabilise the system and particularly in order to stabilise the entanglement properties of the system.

In this work we use the method of Quantum Trajectories which is particularly useful for Quantum Measurement problems in open system and Quantum feedback.