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Directional coupler based on radiatively coupled waveguides

  • We investigate a system of two waveguides with leaky modes sharing a common substrate (radiatively coupled waveguides). The main advantage of such a system is the possibility of remote coupling. A perturbation theory is developed for both TE and TM polarization. Numerical calculations of dispersion curves and of the coupling length allow us to determine the limitations of the perturbation theory. We study the influence of multimode interference on the process of beating by considering the propagation of a given initial field. Finally, we propose a new design for an effective, integrated optical TE-TM polarization splitter.

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Metadaten
Author:Mikhail Shamonin (Chamonine)ORCiDGND, M. Lohmeyer, P. Hertel
URL / DOI:https://opg.optica.org/ao/abstract.cfm?URI=ao-36-3-635
DOI:https://doi.org/10.1364/ao.36.000635
Pubmed Id:https://pubmed.ncbi.nlm.nih.gov/18250720
Parent Title (English):Applied optics (Appl. Opt.)
Document Type:Article
Language:English
Year of first Publication:1997
Release Date:2023/11/11
Volume:36
Issue:3
First Page:635
Last Page:641
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Labor Intelligente Materialien und Strukturen
Publication:Externe Publikationen
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG