Exact analysis of quantum filter for systems driven by two counter-propagating single-photon states

Zhiyuan Dong; Guofeng Zhang; Nina Amini

doi:10.1016/j.ifacol.2017.08.1950

Exact analysis of quantum filter for systems driven by two counter-propagating single-photon states

Zhiyuan Dong
, Guofeng Zhang
, Nina Amini

Hong Kong Polytechnic University
Laboratoire des Signaux et Systèmes

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, quantum filtering for a two-level atom, which is illuminated by two counter-propagating single-photon pulses, has been considered. The scenario is equivalent to that the two-level atom is driven by two input light field channels, each of which contains a single-photon. Based on two homodyne detection measurements, filtering equations in the Schrödinger picture have been derived explicitly.

Original language	English
Pages (from-to)	11749-11754
Number of pages	6
Journal	20th IFAC World Congress
Volume	50
Issue number	1
DOIs	https://doi.org/10.1016/j.ifacol.2017.08.1950
State	Published - Jul 2017
Externally published	Yes

Keywords

Wiener process
homodyne detection
quantum filtering
quantum trajectories
single-photon states
stochastic master equations

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10.1016/j.ifacol.2017.08.1950

Cite this

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abstract = "In this paper, quantum filtering for a two-level atom, which is illuminated by two counter-propagating single-photon pulses, has been considered. The scenario is equivalent to that the two-level atom is driven by two input light field channels, each of which contains a single-photon. Based on two homodyne detection measurements, filtering equations in the Schr{\"o}dinger picture have been derived explicitly.",

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AB - In this paper, quantum filtering for a two-level atom, which is illuminated by two counter-propagating single-photon pulses, has been considered. The scenario is equivalent to that the two-level atom is driven by two input light field channels, each of which contains a single-photon. Based on two homodyne detection measurements, filtering equations in the Schrödinger picture have been derived explicitly.

KW - Wiener process

KW - homodyne detection

KW - quantum filtering

KW - quantum trajectories

KW - single-photon states

KW - stochastic master equations

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IS - 1

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Exact analysis of quantum filter for systems driven by two counter-propagating single-photon states

Abstract

Keywords

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