We present an efficient parallel topology optimization framework for design of large scale 3D nanophotonic devices. The code shows excellent scalability and is demonstrated for optimization of broadband frequency splitter, waveguide intersection, photonic crystal-based waveguide and nanowire-based waveguide. The obtained results are compared to simplified 2D studies and we demonstrate that 3D topology optimization may lead to significant performance improvements. © 2013 Elsevier B.V. All rights reserved.
|Journal||Photonics and Nanostructures - Fundamentals and Applications|
|Publication status||Published - 2014|
- Time domain topology optimization
- Nanophotonic structures
- 3D designs
- Large scale simulations