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physics.optics2022
Photonic Dirac Waveguides
Svetlana Kiriushechkina, Anton Vakulenko, Daria Smirnova +5
The Dirac equation is a paradigmatic model that describes a range of intriguing properties of relativistic spin-1/2 particles, from the existence of antiparticles to Klein tunnelin…
cond-mat.mtrl-sci2022
Invertible Optical Nonlinearity in Epsilon-near-zero Materials
Chentao Li, Xinyu Tian, Guoce Yang +4
Epsilon-near-zero (ENZ) materials such as indium tin oxide (ITO), have recently emerged as a new platform to enhance optical nonlinearities. Here we report a theoretical and experi…