Electromagnetic analysis of the lasing thresholds of hybrid plasmon modes of a silver tube nanolaser with active core and active shell

Beilstein Journal of Nanotechnology
Denys M NatarovAlexander I Nosich

Abstract

Results from the electromagnetic modeling of the threshold conditions of hybrid plasmon modes of a laser based on a silver nanotube with an active core and covered with an active shell are presented. We study the modes of such a nanolaser that have their emission wavelengths in the visible-light range. Our analysis uses the mathematically grounded approach called the lasing eigenvalue problem (LEP) for the set of the Maxwell equations and the boundary and radiation conditions. As we study the modes exactly at the threshold, there is no need to invoke nonlinear and quantum models of lasing. Instead, we consider a laser as an open plasmonic resonator equipped with an active region. This allows us to assume that at threshold the natural-mode frequency is real-valued, according to the situation where the losses, in the metal and for the radiation, are exactly balanced with the gain in the active region. Then the emission wavelength and the associated threshold gain can be viewed as parts of two-component eigenvalues, each corresponding to a certain mode. In the configuration considered, potentially there are three types of modes that can lase: the hybrid localized surface plasmon (HLSP) modes of the metal tube, the core modes, and ...Continue Reading

References

Nov 4, 2008·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Elena I SmotrovaAlexander I Nosich
Aug 18, 2009·Nature·M A NoginovU Wiesner
Nov 3, 2010·Optics Letters·Volodymyr O ByelobrovAlexander I Nosich
Jun 19, 2013·Nature Nanotechnology·Wei ZhouTeri W Odom
May 17, 2013·Physical Review Letters·Frerik van BeijnumMartin P van Exter
Apr 22, 2015·Nature Communications·Ankun YangTeri W Odom
Nov 2, 2017·Physical Chemistry Chemical Physics : PCCP·Claire Deeb, Jean-Luc Pelouard

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Citations

Sep 10, 2020·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Elena A Velichko
Apr 7, 2021·Optics Express·Mauro CuevasCarlos J Zapata-Rodríguez

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