Parity-time Symmetry Based on Time Modulation

Li, HN; Moussa, H; Sounas, D; Alu, A

Alu, A (corresponding author), CUNY, Adv Sci Res Ctr, Photon Initiat, New York, NY 10031 USA.; Alu, A (corresponding author), CUNY City Coll, Dept Elect Engn, New York, NY 10031 USA.; Alu, A (corresponding author), CUNY, Grad Ctr, Phys Program, New York, NY 10016 USA.

PHYSICAL REVIEW APPLIED, 2020; 14 (3):

Abstract

We leverage aperiodic temporal modulations and nonreciprocity to realize PT-symmetric phenomena without the need for gain and loss provided by externa......

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