Prism-coupled light emission from tunnel junctions

Completely p-polarized light emission has been observed from smooth Al-AlO(x)-Au tunnel junctions placed on a prism coupler. The angle and polarization dependence demonstrate unambiguously that the emitted light is radiated by the fast-mode surface plasmon polariton. The emission spectra suggest tha...

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Veröffentlicht in:	Physical review letters 1985-01, Vol.54 (3), p.224-226
Hauptverfasser:	Ushioda, S., Rutledge, J. E., Pierce, R. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Electronics Exact sciences and technology Interfaces Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Solid-State Physics
Online-Zugang:	Volltext
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Zusammenfassung:	Completely p-polarized light emission has been observed from smooth Al-AlO(x)-Au tunnel junctions placed on a prism coupler. The angle and polarization dependence demonstrate unambiguously that the emitted light is radiated by the fast-mode surface plasmon polariton. The emission spectra suggest that the dominant process for the excitation of the fast mode is through conversion of the slow mode to the fast mode mediated by residual roughness on the junction surface.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/physrevlett.54.224