Extremely high transmission of light through a nanohole inside a photonic crystal

Autor:	Viktor Ivanovich Balykin, Artur A. Kuzin, Andrey S. Baturin, A. V. Zablotskiy, Pavel N. Melentiev, A. E. Afanasiev
Rok vydání:	2012
Předmět:	Materials science Nanostructure Nanohole Solid-state physics business.industry Physics::Optics General Physics and Astronomy Resonance Wavelength Optics Quality (physics) Transmission (telecommunications) Optoelectronics business Photonic crystal
Zdroj:	Journal of Experimental and Theoretical Physics. 115:185-193
ISSN:	1090-6509 1063-7761
DOI:	10.1134/s1063776112070114
Popis:	The transmission of light through single nanoholes with diameters considerably smaller than the wavelength of light (smaller than λ/10) is experimentally studied. The nanoholes were made in a gold film, which is a part of a photonic crystal forming a microcavity with the quality factor Q ≈ 100. A 28-fold increase in the transmission of light through a nanohole inside the microcavity compared to transmission through a nanohole in a gold film is demonstrated. The high spectral selectivity of light transmission through a nanohole is discovered, which is characterized by two features: (i) the transmission maximum is located at the resonance wavelength of the microcavity and (ii) the peak full width at half-maximum is about λ/90.
Databáze:	OpenAIRE
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