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Reflection and Transmission in Artificial Photonic Gauge Fields
Moshe-Ishay Cohen , Moshe-Ishay Cohen [1] , Yaakov Lumer [2] , Hanan Herzig Sheinfux [3] , Yonatan Plotnik [1] , Mordechai Segev [1]
[1] Physics Department, and Solid State Institute, Technion, Haifa, Israel
[2] Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
[3] ICFO—Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
Snell’s law and Fresnel coefficients are the cornerstones describing the evolution of waves at an interface between two different media. They are widely used in the design of complex optical devices such as waveguides, resonators, and photonic crystals. Interfaces requires at least 2 different subsystems at each side.
In this work, we show that the interface between two realizations of different artificial gauge fields exhibits reflection and transmission, even though the materials on either side of the interface are otherwise identical.