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Analysis of optical splitters in photonic crystals
- Issue Date
- 2002
- Publisher
- SPIE-INT SOC OPTICAL ENGINEERING
- Keywords
- photonic crystals; optical splitter; waveguide
- Citation
- PHOTONIC BANDGAP MATERIALS AND DEVICES, v.4655, pp.349 - 355
- Journal Title
- PHOTONIC BANDGAP MATERIALS AND DEVICES
- Volume
- 4655
- Start Page
- 349
- End Page
- 355
- ISSN
- 0277-786X
- Abstract
- We design a 1x4 optical splitter made of photonic crystal waveguides and analyze the properties of the optical splitter using the finite-difference time-domain method. Our simulation results show that the transmission properties vary with bend geometries and wave frequencies. Additionally we perform numerical simulations of T-shaped waveguide branches in the splitter to reduce the reflections at the T-branches. The improvement of transmission is achieved by placing the defects of extra rods in the branching region.
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