Super-collimation and negative refraction in hyperbolic Van der Waals superlattices

Super-collimation and negative refraction in hyperbolic Van der Waals superlattices

In this paper, we investigate supercollimation and negative group refraction properties of Van der Waals crystals. Van der Waals crystals, such as Bi 2 Se 3 , show both type I and type II hyperbolic dispersion at terahertz (THz) frequencies. An all angle negative group index of refraction is observe...

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Bibliographic Details
Main Authors: Sreekanth, Kandammathe Valiyaveedu, Simpson, Robert E.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2020
Subjects:
Science::Physics
Hyperbolic Metamaterials
THz Frequencies
Online Access:https://hdl.handle.net/10356/143027
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Institution: Nanyang Technological University
Language: English

Internet

https://hdl.handle.net/10356/143027

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