We demonstrated the role of fast surface plasmon and hot-electron effects using junctions on gratings.
"Diffraction grating enhanced light emission from tunnel junctions",
J.R. Kirtley, T.N. Theis, and J.C. Tsang,
Appl. Phys. Lett. 37 ,435(1980).
"Hot electron
picture of light emission from tunnel junctions",
J.R. Kirtley, T.N. Theis, J.C. Tsang, and D.J. DiMaria,
Phys. Rev. B 27,4601(1983).
