Asymmetric lasing at spectral singularities
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DOI: 10.1103/physreva.97.033840
Abstract: Scattering coefficients can diverge at spectral singularities. In such situation, the stationary solution becomes a laser solution with outgoing waves only. We explore a parity-time $(\mathcal{PT})$-symmetric non-Hermitian two-arm Aharonov-Bohm interferometer consisting of three coupled resonators… read more here.
Keywords: magnetic flux; lasing spectral; spectral singularities; synthetic magnetic ... See more keywords