Journal
OPTICS EXPRESS
Volume 30, Issue 3, Pages 4467-4491Publisher
Optica Publishing Group
DOI: 10.1364/OE.442074
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Funding
- National Defense Science and Engineering Graduate
- Small Business Innovation Research [1647206, 1758596]
- Army Research Office [W911NF-18-2-0048]
- Simons Foundation
- Georgia Electronic Design Center at the Georgia Institute of Technology
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We present a photonics topology optimization (TO) package that can address a wide range of practical photonics design problems. The package incorporates robustness and manufacturing constraints and can scale to large devices and massive parallelism. It employs a hybrid algorithm that solves multiple frequency-domain TO problems using a mature time-domain (FDTD) package and is enhanced by new filter-design sources and material-interpolation methods.
We present a photonics topology optimization (TO) package capable of addressing a wide range of practical photonics design problems, incorporating robustness and manufacturing constraints, which can scale to large devices and massive parallelism. We employ a hybrid algorithm that builds on a mature time-domain (FDTD) package Meep to simultaneously solve multiple frequency-domain TO problems over a broad bandwidth. This time/frequencydomain approach is enhanced by new filter-design sources for the gradient calculation and new material-interpolation methods for optimizing dispersive media, as well as by multiple forms of computational parallelism. The package is available as free/open-source software with extensive tutorials and multi-platform support. (C) 2022 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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