Hermitian Nonlinear Wave Mixing Controlled by a PT-Symmetric Phase Transition.
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DOI: 10.1103/physrevlett.129.153901
Abstract: While non-Hermitian systems are normally constructed through incoherent coupling to a larger environment, recent works have shown that under certain conditions coherent couplings can be used to similar effect. We show that this new paradigm… read more here.
Keywords: non hermitian; nonlinear wave; wave mixing; symmetric phase ... See more keywords