• S KARTHIGA

      Articles written in Indian Academy of Sciences Conference Series

    • $ PT$-symmetric nonlinear systems and their implication in optics

      S KARTHIGA V K CHANDRASEKAR M SENTHILVELAN M LAKSHMANAN

      More Details Abstract Fulltext PDF

      In this paper, we briefly review a few interesting dynamical aspects and applications of nonlinear $PT$-symmetric systems. Being at the boundary between dissipative and conservative systems, these $PT$-symmetric systems show many interesting characteristics and applications that cannot be seen in the usual dissipative and conservative ones. Among the variety of applications, we here focus on the applicability of $PT$-symmetric systems in unidirectional light transport. This particular application clearly evidences the usefulness of the non-reciprocal nature and symmetry broken phase of a PT-symmetric system and importantly the role of nonlinearities in optics.

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