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Conferences > CLEO_QELS > 2013 > QTu1A > QTu1A.7

Absorption Enhancement in 2D Nanocrystal Superlattices through Near-Field Dipolar Coupling: A Novel Optical Phenomenon at the Nanoscale

Pieter Geiregat, Abdoulghafar Omari, Yolanda Justo, Dries Van Thourhout, and Zeger Hens

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Abstract

We demonstrate giant and broadband enhancement of the nanocrystal absorption cross section in close packed nanocrystal superlattices, which is the first report on a collective optical phenomenon in this type of self-assembled metamaterials to date.

© 2013 Optical Society of America

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