Plasmonic implementation of a quantum eraser for imaging applications

J. Ajimo, M. Marchante, A. Krishnan, A. A. Bernussi, L. Grave De Peralta

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10 Scopus citations


We describe the use of a plasmonic version of a quantum eraser for imaging applications. Two perpendicular surface plasmon polariton (SPP) beams were excited in a glass-metal sample using a leakage radiation microscope. The polarization state of the SPP-coupled radiation leaked to the sample substrate permits to identify the path of photons along the metal-air interface of the sample. Introduction of a linear polarizer after the microscope high numerical aperture lens erases the which-path information. This enabled us to image on the microscope charge coupled device camera the interference pattern formed in the sample surface.

Original languageEnglish
Article number063110
JournalJournal of Applied Physics
Issue number6
StatePublished - Sep 15 2010


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