Central-moment description of polarization for quantum states of light

G. Björk, J. Söderholm, Y.-S. Kim, Y.-S. Ra, H.-T. Lim, Christian Kothe-Termén, Y.-H. Kim, L. L. Sánchez-Soto, A. B. Klimov

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Abstract

We present a moment expansion for the systematic characterization of the polarization properties of quantum
states of light. Specifically,we link the method to themeasurements of the Stokes operator in different directions on
the Poincar´e sphere and provide a scheme for polarization tomography without resorting to full-state tomography.
We apply these ideas to the experimental first- and second-order polarization characterization of some two-photon
quantum states. In addition, we show that there are classes of states whose polarization characteristics are
dominated not by their first-order moments (i.e., the Stokes vector) but by higher-order polarization moments.
Original languageEnglish
JournalPhysical Review A
Volume85
Pages (from-to)053835
ISSN2469-9926
DOIs
Publication statusPublished - 2012

Bibliographical note

©2012 American Physical Society

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