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Title: Generating nonclassical quantum input field states with modulating filters
Authors: Gough, JE
Zhang, G 
Keywords: Quantum modulating filter
Nonclassical states
Measurement filtering
Issue Date: 19-Jun-2015
Publisher: Springer
Source: EPJ Quantum technology, 19 June 2015, 2:15 How to cite?
Journal: EPJ Quantum technology 
Abstract: We give explicit constructions of quantum dynamical filters which generate nonclassical states (coherent states, cat states, shaped single and multi-photon states) of quantum optical fields as inputs to general quantum Markov systems. The filters will be quantum harmonic oscillators damped by the input fields, and we exploit the fact that the cascaded filter and system will have a Lindbladian that is naturally Wick-ordered in the filter modes. In particular the initialization of the modulating filter will determine the signal state generated.
ISSN: 2196-0763
DOI: 10.1140/epjqt/s40507-015-0027-z
Rights: © 2015 Gough and Zhang. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
The following publication Gough, J. E., & Zhang, G. (2014). Generating nonclassical quantum input field states with modulating filters. EPJ Quantum Technology 2:15 is available at
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