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2011•Journal of Optical CommunicationsRequires access

An Interesting Optical Behavior of Bent/Multi-branch Waveguides Based on Hexagonal-lattice Photonic Crystals

Keh‐Yi Lee, Guo-Jung Wu, Hong-Li Lin, Chi-Kan Liu

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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.

About this research paper

What this paper is about

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.

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Available 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.

Key concepts: Bent molecular geometry, Hexagonal crystal system, Hexagonal lattice, Photonic crystal, Optics, Lattice (music), Section (typography), Finite-difference time-domain method

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