Symmetries, Zero Modes and Light Transport in Non-Hermitian Photonics

Author

Jose David Hernandez Rivero, The Graduate Center, City University of New YorkFollow

Date of Degree

6-2022

Document Type

Dissertation

Degree Name

Ph.D.

Program

Physics

Advisor

Li Ge

Committee Members

Mark Feuer

Azriel Genack

Vinod Menon

Mohammad Ali-Miri

Liang Feng

Vadim Oganesyan

Subject Categories

Atomic, Molecular and Optical Physics | Optics

Keywords

non-Hermitian physics, non-Hermitian photonics, laser physics

Abstract

We approach some fundamental aspects of photonic dissipative systems treated by a non-Hermitian theory. Inspired by the possibilities provided by some major non-Hermitian symmetries, we study systematically the properties of the novel pseudochirality, pseudo-anti-Hermiticity, and supersymmetry. We analyze other aspect of photonics, the zero mode, which has a profound connection to non-Hermitian physics. We propose a scheme to realize a zero mode that exists even in the absence of symmetries. Finally, we approach light transport in non-Hermitian photonic systems, where the introduction of gain and loss can modify drastically the propagation speed of wavepackets.

Recommended Citation

Hernandez Rivero, Jose David, "Symmetries, Zero Modes and Light Transport in Non-Hermitian Photonics" (2022). CUNY Academic Works.
https://academicworks.cuny.edu/gc_etds/4795