Discrete spectrum of anti-Stokes emission from metal particle-adsorbate complexes in a microcavity

Vladimir P. Drachev; Won-Tae Kim; Eldar Nailevich Khaliullin; Fedda Al-Zoubi; Viktor A. Podolskiy; Vladimir P. Safonov; Vladimir M. Shalaev; Robert L. Armstrong

doi:10.1117/12.468975

29 May 2002 Discrete spectrum of anti-Stokes emission from metal particle-adsorbate complexes in a microcavity

Vladimir P. Drachev, Won-Tae Kim, Eldar Nailevich Khaliullin, Fedda Al-Zoubi, Viktor A. Podolskiy, Vladimir P. Safonov, Vladimir M. Shalaev, Robert L. Armstrong

Author Affiliations +

Proceedings Volume 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures; (2002) https://doi.org/10.1117/12.468975
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

This report presents the discovery of greatly enhanced, broad-range, multiphoton excited emission from Ag aggregate- adsorbate complexes seeded into a cylindrical microcavity. The emission spectrum contains descrete peaks spanning the wavelength range from the 632 nm HeNe laser exciting wavelength down to 200 nm. Observation of multiphoton processes at the low exciting light intensity (20 W/cm²) became possible due to using a fractal-microcavity composite, where coupling the localized plasmon modes in fractal aggregates with microcavity resonances is provided. The important role of the multiphoton resonant transitions between discrete states of a finite-size metal particle in enhanced local fields is shown. Analysis, based on the model of a spherical potential well, shows that the observed spectra contain fingerprints of the quantum size effect.

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Vladimir P. Drachev, Won-Tae Kim, Eldar Nailevich Khaliullin, Fedda Al-Zoubi, Viktor A. Podolskiy, Vladimir P. Safonov, Vladimir M. Shalaev, and Robert L. Armstrong "Discrete spectrum of anti-Stokes emission from metal particle-adsorbate complexes in a microcavity", Proc. SPIE 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures, (29 May 2002); https://doi.org/10.1117/12.468975

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