A unidirectional air waveguide basing on coupling of two self-guiding edge modes. (December 2018)

• Record Type: Journal Article
• Authors: He, Liu; Gao, Yong-feng; Jiang, Zhen; Wang, Li-song; Zhou, Jun; Xu, Xiao-fang
• Is Part Of: Optics & laser technology. Volume 108(2018)
• Page Start: 265
• Page End: 272
• Publication Date: 2018-12
• Subjects: 2D honeycomb magnetic-optical photonic crystal -- Unidirectional air waveguide -- Self-guiding edge modes -- The coupling effect; Optics -- Periodicals; Lasers -- Periodicals; Electronic journals; 621.366
• DOI: 10.1016/j.optlastec.2018.06.044
• Languages: English
• ISSNs: 0030-3992

Abstract

Highlights: Here we present a line-defect waveguide frame with a 2D honeycomb magnetic-optical photonic crystal. We achieve a unidirectional air waveguide basing on coupling of two self-guiding edge modes. We quantificationally demonstrate its superior transmission characteristics. Abstract: Nonreciprocal waveguide plays the key role in optical communication devices because of the robustness of one-way transport along the edge. We present a 2D honeycomb magnetic-optical photonic crystal frame and realize a unidirectional air waveguide based on the coupling effect of two self-guiding one-way edge modes in proper the waveguide width. A great ideal nonreciprocal air waveguide with condensed-energy, strong stability, great nonreciprocity is achieved, and its transmission features of superiority over others configuration are demonstrated.