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2005•Applied Physics LettersRequires access

Two-dimensional photonic crystals designed by evolutionary algorithms

Stefan F. Preble, Michal Lipson, Hod Lipson

Open publisher page 134 citations

Abstract

We use evolutionary algorithms to design photonic crystal structures with large band gaps. Starting from randomly generated photonic crystals, the algorithm yielded a photonic crystal with a band gap (defined as the gap to midgap ratio) as large as 0.3189. This band gap is an improvement of 12.5% over the best human design using the same index contrast platform.

About this research paper

What this paper is about

We use evolutionary algorithms to design photonic crystal structures with large band gaps. Starting from randomly generated photonic crystals, the algorithm yielded a photonic crystal with a band gap (defined as the gap to midgap ratio) as large as 0.3189. This band gap is an improvement of 12.5% over the best human design using the same index contrast platform.

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OpenAlex reports 134 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

We use evolutionary algorithms to design photonic crystal structures with large band gaps. Starting from randomly generated photonic crystals, the algorithm yielded a photonic crystal with a band gap (defined as the gap to midgap ratio) as large as 0.3189. This band gap is an improvement of 12.5% over the best human design using the same index contrast platform.

Key concepts: Photonic crystal, Yablonovite, Band gap, Photonics, Optoelectronics, Materials science, Photonic integrated circuit, Optics

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