Publisher DOI: 10.1117/12.2508809
Title: Front-induced intraband indirect photonic transition in slow-light waveguide
Language: English
Authors: Gaafar, Mahmoud Abdelazis 
Jalas, Dirk 
O'Faolain, Liam 
Li, Juntao 
Krauss, Thomas F. 
Petrov, Alexander  
Eich, Manfred 
Issue Date: 4-Mar-2019
Publisher: SPIE
Source: Proceedings of SPIE - The International Society for Optical Engineering (10921) : 109211Y (2019)
Part of Series: Proceedings of SPIE 
Volume number: 10921
Abstract (english): The process of an optical signal undergoing a transition between two modes of a photonic structure is referred to as a photonic transition. We show that a signal wave interacting with a free carrier front in a slow light waveguide experiences indirect photonic transitions leading to transmission or reflection from the moving front. Theory and experimental results are presented. The front induced dynamic frequency conversion is also compared to the frequency shifting based on other nonlinear effects like cross-phase modulation and four wave mixing.
Conference: Integrated Optics: Devices, Materials, and Technologies XXIII 2019 
ISBN: 978-1-5106-2485-6
ISSN: 0277-786X
Institute: Optische und Elektronische Materialien E-12 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
Funded by: M.A.G, D.J., A.Yu.P. and M.E. acknowledge the support of the German Research Foundation under Grant No. 261759120
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