Type: Article
Publication Date: 2014-04-15
Citations: 73
DOI: https://doi.org/10.1103/physrevapplied.1.034004
Surface plasmon polaritons (SPPs) are electromagnetic excitations recently found to enable ultracompact quantum circuitry. For the first time, two indistinguishable SPPs are produced and made to interfere, demonstrating conclusively that they behave as bosons and opening up new opportunities for controlling quantum states.