Journal
OPTICS COMMUNICATIONS
Volume 355, Issue -, Pages 80-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2015.06.031
Keywords
Waveguide branch; Transformation optics; Photonic crystal
Categories
Funding
- Open Research Program in China's State Key Laboratory of Millimeter Waves [K201503]
- Chinese Natural Science Foundation [61302048]
- Jiangsu Key Laboratory of Meteorological Observation and Information Processing [KDXS1204]
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In this paper, an alternative approach for waveguide branch design in photonic crystals is presented. Two kinds of waveguide branches, including L-shaped waveguide bender and T-shaped splitter, are theoretically designed by using the method of transformation optics. Based on the parameters designed, electromagnetic simulations by finite-element method on detailed examples have been performed to validate the desirable properties of low reflection and minimized distortion at the branching region and to exhibit broadband for TE wave. (C) 2015 Elsevier B.V. All rights reserved.
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