Imaginary coupling induced Dirac points and group velocity control in the non-reciprocal Hermitian lattice.
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DOI: 10.1364/ol.475254
Abstract: We propose a mechanism to achieve the group velocity control of bifurcation light via an imaginary coupling effect in the non-reciprocal lattice. The physical model is composed of two-layer photonic lattices with non-reciprocal coupling in… read more here.
Keywords: velocity control; group; imaginary coupling; group velocity ... See more keywords