Plasmonic superradiance of two emitters near metal nanorod

Igor Protsenko; Alexander Uskov; Xuewen Chen; Hongxing Xu

doi:10.1117/12.2248787

20 February 2017 Plasmonic superradiance of two emitters near metal nanorod

Igor Protsenko, Alexander Uskov, Xuewen Chen, Hongxing Xu

Proceedings Volume 10118, Advances in Photonics of Quantum Computing, Memory, and Communication X; 1011811 (2017) https://doi.org/10.1117/12.2248787
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Quantum emitters, such as q-dots and dye molecules, in the immediate vicinity of plasmonic nanostructures, resonantly excite surface plasmon-polaritons (SPPs) under incoherent pump. The efficiency in the excitation of SPPs per emitter increases with the number of the emitters, because the SPP field synchronizes emission of the coupled emitters, in analogy with the superadiance (SR) in free space. Using fully quantum mechanical model for two emitters coupled with a metal nanorod, we predict up to 15% increase in the emission yield of single emitter compared to only one emitter near the nanorod. Such emission enhancement is stationary and should be observable even with strong dissipation and dephasing under incoherent pump of emitters. Solid-state quantum emitters with blinking behaviors may be utilized to demonstrate such plasmonic SR emission enhancement. Plasmonic SR may find implications in the excitation of nonradiative modes in plasmonic waveguides, in lowing threshold of plasmonic nanolasers.

Citation Download Citation

Igor Protsenko, Alexander Uskov, Xuewen Chen, and Hongxing Xu "Plasmonic superradiance of two emitters near metal nanorod", Proc. SPIE 10118, Advances in Photonics of Quantum Computing, Memory, and Communication X, 1011811 (20 February 2017); https://doi.org/10.1117/12.2248787

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