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    • Four-channel parity-time symmetry 

      Özgün, Ege; Özbay, Ekmel; Ozdur, Ibrahim (Institute of Physics Publishing, 2022)
      In this letter, we propose a general scheme for four-channel parity-time symmetry. We theoretically demonstrate how to achieve novel features via exploiting the parity-time symmetry for four-channel coupled-mode equations ...