Optimal control of the local electromagnetic response of nanostructured materials: optimal detectors and quantum disguises

TL;DR

This paper develops an optimization framework for nanostructures to enhance their optical properties, enabling applications like molecule detection and quantum disguise, by controlling their electromagnetic response.

Contribution

It introduces a novel optimization approach for tailoring nanostructures' electromagnetic responses for specific optical functions such as detection and disguise.

Findings

Optimized nanostructures improve molecule detection sensitivity.

Designs enable effective quantum disguises for single molecules.

The method achieves targeted optical properties through potential optimization.

Abstract

We consider the problem of optimization of an effective trapping potential in a nanostructure with a quasi-one-dimensional geometry. The optimization is performed to achieve certain target optical properties of the system. We formulate and solve the optimization problem for a nanostructure that serves either as a single molecule detector or as a "quantum disguise" for a single molecule.