Topological and conventional nano-photonic waveguides for chiral integrated quantum optics
arXiv (Cornell University)(2023)
摘要
Chirality in integrated quantum photonics has emerged as a promising route
towards achieving scalable quantum technologies with quantum nonlinearity
effects. Topological photonic waveguides, which utilize helical optical modes,
have been proposed as a novel approach to harnessing chiral light-matter
interactions on-chip. However, uncertainties remain regarding the nature and
strength of the chiral coupling to embedded quantum emitters, hindering the
scalability of these systems. In this work, we present a comprehensive
investigation of chiral coupling in topological photonic waveguides using a
combination of experimental, theoretical, and numerical analyses. We
quantitatively characterize the position-dependence nature of the light-matter
coupling on several topological photonic waveguides and benchmark their chiral
coupling performance against conventional line defect waveguides for chiral
quantum optical applications. Our results provide crucial insights into the
degree and characteristics of chiral light-matter interactions in topological
photonic quantum circuits and pave the way towards the implementation of
quantitatively-predicted quantum nonlinear effects on-chip.
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关键词
quantum optics,nano-photonic
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