A semiconductor topological photonic ring resonator

被引:47
|
作者
Mehrabad, M. Jalali [1 ]
Foster, A. P. [1 ]
Dost, R. [1 ]
Clarke, E. [2 ]
Patil, P. K. [2 ]
Farrer, I [3 ]
Heffernan, J. [3 ]
Skolnick, M. S. [1 ]
Wilson, L. R. [1 ]
机构
[1] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
[2] Univ Sheffield, EPSRC Natl Epitaxy Facil, Sheffield S1 4DE, S Yorkshire, England
[3] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 4DE, S Yorkshire, England
基金
英国工程与自然科学研究理事会;
关键词
EDGE STATES;
D O I
10.1063/1.5131846
中图分类号
O59 [应用物理学];
学科分类号
摘要
Unidirectional photonic edge states arise at the interface between two topologically distinct photonic crystals. Here, we demonstrate a micrometer-scale GaAs photonic ring resonator, created using a spin Hall-type topological photonic crystal waveguide. Embedded InGaAs quantum dots are used to probe the mode structure of the device. We map the spatial profile of the resonator modes and demonstrate the control of the mode confinement through tuning of the photonic crystal lattice parameters. The intrinsic chirality of the edge states makes them of interest for applications in integrated quantum photonics, and the resonator represents an important building block toward the development of such devices with embedded quantum emitters.
引用
收藏
页数:5
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