Demonstration of quadrature-squeezed surface plasmons in a gold waveguide

Alexander Huck, Stephan Smolka, Peter Lodahl, Anders S. Sørensen, Alexandra Boltasseva, Jirí Janousek, Ulrik Lund Andersen

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We report on the efficient generation, propagation and reemission of squeezed long-range surface-plasmon polaritons in a gold waveguide. Squeezed light is used to excite the nonclassical surface-plasmon polaritons, and the reemitted quantum state is fully characterized by complete quantum tomographic reconstruction of the density matrix. We find that the plasmon-assisted transmission of nonclassical light in metallic waveguides can be described by a beam splitter relation. This result is explained theoretically.
Original languageEnglish
Article number246802
JournalPhysical Review Letters
Issue number24
Publication statusPublished - 2009

Bibliographical note

Copyright (2009) by the American Physical Society.
Highlighted in the Virtual Journal of Nanoscale Science and Technology, July 6, 2009 ( 4 pp)


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