Inverse design of a binary waveguide crossing by the particle swarm optimization algorithm
SCIE
SCOPUS
- Title
- Inverse design of a binary waveguide crossing by the particle swarm optimization algorithm
- Authors
- Goudarzi, Kiyanoush; LEE, MOONJOO
- Date Issued
- 2022-03
- Publisher
- Elsevier BV
- Abstract
- This paper describes the inverse design of the particle swarm optimization algorithm combined with the three-dimensional finite-difference time-domain simulation to design a waveguide crossing that resembles a binary code. The device consists of 15 x 15 air holes in a 220-nm silicon slab on a 3-mu m-thick SiO2 substrate with one input port and three output waveguide ports. The designed device has a small footprint of 4 mu m(2) and a short simulation time of 1.7 h. In the wavelength range of 1.5-1.6 mu m, the device has insertion loss IL < 0.85 dB and crosstalk XT < -14.5 dB. This device tolerates air hole-position disordering of eta(p) = 23%, and hole-radius disordering of eta = 35%, so it is appropriate to use in the complementary metal-oxide-semiconductor fabrication process. The paper also proposes integrated interconnections that contain 2 x 2 waveguide crossings and have IL < 2.9 dB and XT < -13 dB, and 3 x 3 waveguide crossings that have IL < 5 and XT < -12.5 dB.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/116138
- DOI
- 10.1016/j.rinp.2022.105268
- ISSN
- 2211-3797
- Article Type
- Article
- Citation
- Results in Physics, vol. 34, 2022-03
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- There are no files associated with this item.
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