Exceptional point singularities in multi-section DFB lasers

A laser exhibits both controllable gain and loss and, under proper design conditions, is an ideal non-Hermitian system allowing the direct observation and engineering of spectral singularities such as exceptional points (EPs). A dual section distributed feedback (DFB) quantum cascade laser (QCL) is...

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Autors principals:	Mehran Shahmohammadi, Martin J Süess, Romain Peretti, Filippos Kapsalidis, Andres Forrer, Mattias Beck, Jérôme Faist
Format:	Artigo
Idioma:	Inglês
Publicat:	IOP Publishing 2022-01-01
Col·lecció:	New Journal of Physics
Matèries:	exceptional point quantum cascade lasers strong coupling non-Hermitian systems
Accés en línia:	https://doi.org/10.1088/1367-2630/ac6d6f
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