Purcell effect in PT-symmetric waveguides
Alina Karabchevsky, Andrey Novitsky, Fyodor Morozko
TL;DR
This paper explores how the Purcell effect, which enhances spontaneous emission rates, behaves in PT-symmetric optical waveguides, revealing that exceptional points do not affect the Purcell factor.
Contribution
It provides an analysis of the Purcell effect in PT-symmetric waveguides, highlighting the independence of the Purcell factor from exceptional points.
Findings
Purcell factor varies in PT-symmetric regimes
Exceptional points do not influence the Purcell factor
Behavior differs between PT-symmetric and broken regimes
Abstract
This chapter overviews the principles of the spontaneous emission rate increase, that is the Purcell effect, in relation to the photonic parity-time (PT) symmetry. Being focused on the system of coupled PT-symmetric optical waveguides, we consider behaviors of the Purcell factor in PT-symmetric and broken-PT-symmetric regimes. Surprisingly, exceptional points in a coupled waveguide do not influence on the Purcell factor.
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Taxonomy
TopicsQuantum Mechanics and Non-Hermitian Physics · Mechanical and Optical Resonators · Fractal and DNA sequence analysis