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Design of 60° Bent Ridge Waveguides Assisted by Hexagonal-lattice Cylinders
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June 25, 2013
Abstract
Novel 60° bent ridge waveguides with several layers of hexagonal-lattice dielectric cylinders around the bend corners are proposed in this paper. The finite-difference time-domain (FDTD) simulations show that just one or two layers of cylinders on the hexagonal array are sufficient to assist in turning the guided wave into the 60° bending section. On the other hand, more than three layers of hexagonal-lattice cylinders may result in larger optical reflection such that less power reaches the output port.
Received: 2011-02-05
Accepted: 2011-05-15
Published Online: 2013-06-25
Published in Print: 2013-06-24
©[2013] by Walter de Gruyter Berlin Boston
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