Dynamically reconfigurable directionality of plasmon-based single photon sources

Yuntian Chen, Peter Lodahl, A. Femius Koenderink

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We propose a plasmon-based reconfigurable antenna to controllably distribute emission from single quantum emitters in spatially separated channels. Our calculations show that crossed particle arrays can split the stream of photons from a single emitter into multiple narrow beams. We predict that beams can be switched on and off by switching host refractive index. The design method is based on engineering the dispersion relations of plasmon chains and is generally applicable to traveling wave antennas. Controllable photon delivery has potential applications in classical and quantum communication.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Issue number8
Pages (from-to)081402
Publication statusPublished - 2010

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Copyright 2010 American Physical Society


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