Topologically protected frequency combs in PT-symmetric structures

Authors :: Laura Pilozzi
Claudio Conti
Source :: Nonlinear Optics, NLO 2017, Waikoloa; United States, 17 July 2017 through 21 July 2017, info:cnr-pdr/source/autori:Pilozzi L.; Conti C./congresso_nome:Nonlinear Optics, NLO 2017/congresso_luogo:Waikoloa; United States/congresso_data:17 July 2017 through 21 July 2017/anno:2017/pagina_da:/pagina_a:/intervallo_pagine
Publication Year :: 2017
Publisher :: OSA, 2017.
Abstract: By combining gain and loss with topological order in PT -symmetric chains we achieve amplified protected modes with a spectrum of regurarly spaced frequencies whose offset and line spacing can be tuned through the structure parameters.