Manipulating the Nanoscale Optical Transmission with a Meta-Transmitarray

TL;DR

This paper introduces a novel meta-transmitarray that leverages nanocircuit concepts to control light transmission at the nanoscale, enabling efficient light bending and focusing for advanced nano-optics applications.

Contribution

It presents the first implementation of a nanoscale optical transmitarray based on metasurfaces, achieving subwavelength control of light transmission with high efficiency.

Findings

Demonstrated subwavelength light bending and focusing

Achieved unprecedented efficiency in nanoscale optical transmission

Potential for improved nano-optics signal processing

Abstract

By applying the optical nanocircuit concepts to metasurfaces, we propose an effective route to locally control light transmission over a deeply subwavelength scale. This concept realizes the optical equivalent of a transmitarray, whose use is demonstrated for light bending and focusing with unprecedented efficiency over a subwavelength distance, with crucial benefits for nano-optics applications. These findings may lead to large improvements in the manipulation of optical transmission and processing of nanoscale optical signals over conformal and Si-compatible substrates.