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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 30, Iss. 13 — Jul. 1, 2012
  • pp: 2210–2215

A Study on Topology Optimization of Optical Circuits Consisting of Multi-Materials

Kota Fujimoto, Yasuhide Tsuji, Koichi Hirayama, Takashi Yasui, Shingo Sato, and Ryosuke Kijima

Journal of Lightwave Technology, Vol. 30, Issue 13, pp. 2210-2215 (2012)


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Abstract

A topology optimization method can be used to find out the optical waveguide structures which have the desired transmission characteristics. Using the function expansion method, we can avoid the problem of a gray area, which means that some areas having intermediate refractive index between those of usable materials appear in a design region. However, so far, topology optimization has mainly been studied for structures consisting of two isotropic materials. In this paper, we study the applicability of topology optimization to structures which include three or more materials, and demonstrate the optimal design of a waveguide crossing.

© 2012 IEEE

Citation
Kota Fujimoto, Yasuhide Tsuji, Koichi Hirayama, Takashi Yasui, Shingo Sato, and Ryosuke Kijima, "A Study on Topology Optimization of Optical Circuits Consisting of Multi-Materials," J. Lightwave Technol. 30, 2210-2215 (2012)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-30-13-2210

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