Large separating angle multiway beam splitter based on photonic crystal ring resonators

Ping Hu; Hao Guo; Qinghua Liao

doi:10.1117/12.851552

2 December 2009 Large separating angle multiway beam splitter based on photonic crystal ring resonators

Ping Hu, Hao Guo, Qinghua Liao

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76312C (2009) https://doi.org/10.1117/12.851552
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

A novel beam splitter is designed on the basis of the coupling characteristics between the waveguide and ring resonator in two dimensional photonic crystals. By simply adjusting the effective refractive index of coupling dielectric rods in the ring resonators symmetrically, inducing the redistribution of the power of the optical field, uniform or free splitting can be achieved. The splitting properties of the beam splitter have been numerically studied using the finite difference time domain (FDTD) method, uniform or free splitting can be achieved. It was shown that a small dimension, a large separating angle, a high beam rate, and has been extended to have more light output channels in the beam splitter. These features of the proposed heterostructure beam splitter make it a promising candidate in optical communications application.

Citation Download Citation

Ping Hu, Hao Guo, and Qinghua Liao "Large separating angle multiway beam splitter based on photonic crystal ring resonators", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76312C (2 December 2009); https://doi.org/10.1117/12.851552

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