Zero-Index Medium Based on an AlGaAs Platform

Ehsan Mobini; Orad Reshef; Robert Boyd; Robert Boyd; Robert Boyd; Ksenia Dolgaleva; Ksenia Dolgaleva

doi:10.1364/IPRSN.2020.ITu4A.3

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper ITu4A.3
•https://doi.org/10.1364/IPRSN.2020.ITu4A.3

Zero-Index Medium Based on an AlGaAs Platform

Ehsan Mobini, Orad Reshef, Robert Boyd, and Ksenia Dolgaleva

Integrated Photonics Research, Silicon and Nanophotonics 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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Poster Session IPR (ITu4A)

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E. Mobini, O. Reshef, R. Boyd, and K. Dolgaleva, "Zero-Index Medium Based on an AlGaAs Platform," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper ITu4A.3.

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Abstract

We theoretically demonstrate a zero-refractive index medium (ZIM) based on Dirac cone metamaterials composed of an Al_xGa_1-xAs photonic crystal. This design allows us to achieve a waveguide medium with a very small phase advance. We validate our design further by demonstrating ZIM behavior using Snell’s law, such as the perpendicular refraction of light from a prism’s facet. This design paves the way for a monolithic platform that integrates zero-index physics with on-chip sources.

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