18 April 2006 Proposals of inverse designed microscaled scattering optical elements
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Abstract
A method of inverse design is applied to generate a new family of optical devices. Three ultracompact devices are presented of only a few microns thick; a focusing device, a wavelength de-multiplexer and an optimized optical source. The designs consist of a few layers of 0.4μm × 0.4μm square-shaped bars etched in gallium arsenide. The proposed designs are examples of a scattering optical element, a name introduced to define a class of computer-generated optical devices whose functionalities are based on the multiple scattering by their individual constituents. For realization of the aforementioned devices, two-dimensional photonic plates could be fabricated by only a single integrated circuit processing procedure followed by micromanipulation assembling.
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Andreas Håkansson, Andreas Håkansson, José Sánchez-Dehesa, José Sánchez-Dehesa, } "Proposals of inverse designed microscaled scattering optical elements", Proc. SPIE 6182, Photonic Crystal Materials and Devices III (i.e. V), 61821D (18 April 2006); doi: 10.1117/12.662506; https://doi.org/10.1117/12.662506
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