Outgoing light bundle propagation of two-dimensional triangular lattice photonic crystal waveguide

Wu Qingtao; Wen Huafeng; Wang Honghua; Xu Mengjie; Yin Xilei; Ying Xiangyue; Shi Feng

doi:10.11884/HPLPB201830.180161

Volume 30 Issue 12

Dec. 2018

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Wu Qingtao, Wen Huafeng, Wang Honghua, et al. Outgoing light bundle propagation of two-dimensional triangular lattice photonic crystal waveguide[J]. High Power Laser and Particle Beams, 2018, 30: 129002. doi: 10.11884/HPLPB201830.180161

Citation:

Wu Qingtao, Wen Huafeng, Wang Honghua, et al. Outgoing light bundle propagation of two-dimensional triangular lattice photonic crystal waveguide[J]. High Power Laser and Particle Beams, 2018, 30: 129002. doi: 10.11884/HPLPB201830.180161

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Outgoing light bundle propagation of two-dimensional triangular lattice photonic crystal waveguide

doi: 10.11884/HPLPB201830.180161

1.
College of Information Science and Engineering, Ningbo University, Ningbo 315211, China
2.
Department of Electrical Engineering and Renewable Energy Engineering, Oregon Institute of Technology, 3201Campus Drive, Klamath Falls, OR 97601, USA

Received Date: 2018-06-08
Rev Recd Date: 2018-10-30
Publish Date: 2018-12-15

Abstract

Abstract

To control the light field at the exit end of the photonic crystal waveguide, it is difficult to overcome the radiation of the emitted light from the two-dimensional triangular lattice photonic crystal waveguide.A new type photonic crystal waveguide exit structure was designed using a two-dimensional triangular lattice photonic crystal.Two types of microcavities are introduced at the exit end of a two-dimensional triangular lattice photonic crystal waveguide.Light waves and the microcavity are resonated to form an exit light that is similar to the interference of three point light sources.An exit end bell design is further proposed.Analysis using time-domain finite-difference method shows that the light wave achieves good directional radiation and the radiation distance is significantly improved with the design of the microcavity bell mouth.This kind of photonic crystal device has great significance for the high efficiency coupling with other devices, and has potential application value in photoelectric integration and neardistance optical research.
- photonic crystal,
- waveguide,
- microcavity,
- radiation

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References(18)

References

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