Quantum filtering for multiple measurements driven by fields in single-photon states
classification
🪐 quant-ph
math.OC
keywords
measurementsquantumdiffusivedrivensingle-photoncasesconsideredcontaminated
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In this paper, we derive the stochastic master equations for quantum systems driven by a single-photon input state which is contaminated by quantum vacuum noise. To improve estimation performance, quantum filters based on multiple-channel measurements are designed. Two cases, namely diffusive plus Poissonian measurements and two diffusive measurements, are considered.
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