Generation of maximally-polarization-entangled photons on a chip

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Without internal affiliation

  • Author: Zhukovsky, Sergei V.

    University of Toronto

  • Author: Helt, Lukas G.

    University of Toronto, Canada

  • Author: Kang, Dongpeng

    University of Toronto, Canada

  • Author: Abolghasem, Payam

    University of Toronto, Canada

  • Author: Helmy, Amr S.

    University of Toronto, Canada

  • Author: Sipe, J. E.

    University of Toronto, Canada

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We propose a method of generating maximally-polarization-entangled states by type-II spontaneous parametric down-conversion in Bragg reflection waveguides. Analytic expressions for the group velocities of down-converted modes are used to engineer zero group-velocity mismatch at the operating point, making the spectra of photons within a down-converted pair indistinguishable and thus leading to a maximally-polarization-entangled state. The results can be used for the creation and manipulation of polarization-entangled qubits entirely on a chip.
Original languageEnglish
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Publication date2012
Volume85
Issue1
Pages013838
Number of pages6
ISSN1050-2947
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 11
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