Optical analysis of the refractive index and birefringence of hexagonal boron nitride from the visible to near-infrared

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Two-dimensional materials such as hexagonal boron nitride (h-BN), graphene, and transition metal dichalcogenides have drawn great attention in various fields of photonics and electronics. Among them, h-BN has recently emerged as a promising material platform to study integrated quantum photonics due to its ultrabright quantum light emission capabilities. However, the fundamental optical properties of h-BN have not yet been investigated in the visible and near-infrared (NIR) spectrum thoroughly. In this Letter, we report the refractive indices of h-BN thin films in the visible to NIR range. To the best of our knowledge, this is the first experimental observation of h-BN bi-refringence. Accurate parameters of refractive indices enable more precise design of h-BN-based photonic devices in the integrated photonics platforms. (c) 2019 Optical Society of America
Publisher
OPTICAL SOC AMER
Issue Date
2019-08
Language
English
Article Type
Article
Citation

OPTICS LETTERS, v.44, no.15, pp.3797 - 3800

ISSN
0146-9592
DOI
10.1364/OL.44.003797
URI
http://hdl.handle.net/10203/264361
Appears in Collection
EE-Journal Papers(저널논문)
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