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Theoretical study of optical switching in multiple core nonlinear microstructured optical fibers
- 1.0396766 - ÚFE 2014 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Koška, Pavel - Kaňka, Jiří
Theoretical study of optical switching in multiple core nonlinear microstructured optical fibers.
CPS 2012. 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics (Proceedings of SPIE Vol.8697). Bellingham: SPIE, 2012. ISBN 978-0-8194-9481-8.
[18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics. Ostravice (CZ), 03.09.2012-07.09.2012]
Grant CEP: GA MŠMT(CZ) LD11030
Institucionální podpora: RVO:67985882
Klíčová slova: Optical switching * microstructured fiber * multiple core coupling
Kód oboru RIV: JA - Elektronika a optoelektronika, elektrotechnika
In this study, several approaches to optical switching in multiple core nonlinear microstructured optical fibers are presented. All approaches are based on coupling between the cores of a fiber. Based on Kerr effect, coupling is tuned and detuned by the switching signal. The propagation constants and field distributions are calculated using our in-house fullvectorial finite element mode solver. Copropagation of the signals at the switching and data wavelengths in a multiple core microstructured optical fiber is analyzed using the finite element beam propagation method and coupled mode theory. The crucial factor for successful implementation is the fabrication tolerance. Therefore, the dependence of the coupling efficiency on geometry tolerances is also analyzed. From these inaccuracies, the necessary coupling strength and consequently the switching power are deduced. It is shown that for an accuracy of about 2%, the necessary switching power is approximately 26 W in chalcogenide glass fibers
Trvalý link: http://hdl.handle.net/11104/0224494
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