Publications of the Research Group Computational Photonics

Prof. Dr. Antonio Calà Lesina

Investigating the Optical Properties of a Laser Induced 3D Self-Assembled Carbon–Metal Hybrid Structure

authored by
Muhammad Abdullah Butt, Antonino Calà Lesina, Martin Neugebauer, Thomas Bauer, Lora Ramunno, Alessandro Vaccari, Pierre Berini, Yuriy Petrov, Denis Danilov, Alina Manshina, Peter Banzer, Gerd Leuchs

Carbon-based and carbon–metal hybrid materials hold great potential for applications in optics and electronics. Here, a novel material made of carbon and gold–silver nanoparticles is discussed, fabricated using a laser-induced self-assembly process. This self-assembled metamaterial manifests itself in the form of cuboids with lateral dimensions on the order of several micrometers and a height of tens to hundreds of nanometers. The carbon atoms are arranged following an orthorhombic unit cell, with alloy nanoparticles intercalated in the crystalline carbon matrix. The optical properties of this metamaterial are analyzed experimentally using a microscopic Müller matrix measurement approach and reveal a high linear birefringence across the visible spectral range. Theoretical modeling based on local-field theory applied to the carbon matrix links the birefringence to the orthorhombic unit cell, while finite-difference time-domain simulations of the metamaterial relates the observed optical response to the distribution of the alloy nanoparticles and the optical density of the carbon matrix.

External Organisation(s)
Max Planck Institute for the Science of Light
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU Erlangen-Nürnberg)
University of Ottawa
Max Planck–University of Ottawa Centre for Extreme and Quantum Photonics
Fondazione Bruno Kessler
Saint Petersburg State University
Delft University of Technology
Publication date
Publication status
Peer reviewed
ASJC Scopus subject areas
Biotechnology, Biomaterials, Chemistry(all), Materials Science(all)
Electronic version(s) (Access: Closed)