Title :
Controlling nonlocal light-matter interactions via spectral-domain transformation optics
Author :
Castaldi, Giuseppe ; Galdi, Vincenzo ; Alú, Andrea ; Engheta, Nader
Author_Institution :
Dept. of Eng., Univ. of Sannio, Benevento, Italy
Abstract :
We propose a new transformation-optics framework based on nonlocal coordinate transformations in the spectral (wavenumber) domain. Our approach allows a physically-incisive and powerful geometrical interpretation in terms of deformation of the equi-frequency contours, and sets the stage for new intriguing developments in dispersion engineering of electromagnetic metamaterials.
Keywords :
metamaterials; optical dispersion; spectral-domain analysis; deformation; dispersion engineering; electromagnetic metamaterials; equi-frequency contours; nonlocal coordinate transformations; nonlocal light-matter interaction control; physically-incisive geometrical interpretation; spectral-domain transformation optics; wavenumber domain; Dispersion; Educational institutions; Electromagnetics; Metamaterials; Optics; Spectral analysis;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6349314
