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Extreme subwavelength multilayer structures

Event Details

Event Dates: 

Friday, June 17, 2016 - 4:00pm

Seminar Location: 

  • JILA 10th Floor - Foothills Room

Speaker Name(s): 

Herzig Sheinfux

Speaker Affiliation(s): 

Technion - Israel Institute of Technology
Seminar Type/Subject

Scientific Seminar Type: 

  • JILA Public Seminar

Event Details & Abstract: 

Anderson localization is a cornerstone of our understanding of the interaction of light with disorder. But in the deep subwavelength regime, all photonic transport effects, including Anderson localization, become trivialized and effective medium theory is commonly expected to take over. This talk will present a study of extreme subwavelength multilayer structures – dielectric layer stacks with an average layer thickness of lambda/40 (experimentally) or lambda/1000 (theoretically). Rather than being a weak effect, localization in this regime dominates transport completely. Moreover, thickening a single layer inside the structure by 2nm is experimentally shown to have an effect on the visible light.

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