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An Interesting Optical Behavior of Bent/Multi-branch Waveguides Based on Hexagonal-lattice Photonic Crystals
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Keh-Yi Lee
,
Guo-Jung Wu
Published/Copyright:
December 1, 2011
Abstract
For the hexagonal-lattice photonic crystal waveguides with the 60/120-bent sections, the light waves prefer to turn into the 120-bent section rather than propagate along the 60-bent ones. Our FDTD simulation results show that the backward optical fields (propagating along the 120-bent section) are more intense than the forward ones (propagating along the 60-bent section). And these results are in good agreement with those simulated by RSoft-BeamPROP.
Keywords.: Photonic crystal; FDTD
Received: 2011-05-30
Accepted: 2011-09-13
Published Online: 2011-December
Published in Print: 2011-December
Copyright 2011 De Gruyter
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