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Quantum Trajectories II: The Degenerate Parametric Oscillator

Part of the Theoretical and Mathematical Physics book series (TMP)

Abstract

The last chapter has provided us with a general background to quantum trajectory ideas. The central notion is to set up a conditional evolution for an open system (the interaction region of Fig. 17.1) with the state of the system conditioned on the record of scattered photons detected in the reservoir. The scattering record may be made in practice by monitoring the incoherent inputs and outputs to the system, and takes the form of a photoelectron counting sequence. This counting sequence characterizes the inputs and outputs as a classical stochastic process (Eq. 17.6 for example).

Keywords

Master Equation Density Operator Local Oscillator Output Channel Conditional State 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

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