Propagation of optical vortices in an add-drop resonator based on a vertical array of ring resonators

In this paper we study the transmission of higher-order modes, including optical vortices (OVs), through a bus fiber evanescently coupled with a vertical array of ring resonators (VAR), which form a vertically stacked multi-ring resonator. It is shown that the OV transmission curves have a character...

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Veröffentlicht in:Kompʹûternaâ optika 2024-04, Vol.48 (2), p.197-203
Hauptverfasser: Lapin, B.P., Barshak, E.V., Yavorsky, M.A., Alexeyev, C.N.
Format: Artikel
Sprache:eng
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Zusammenfassung:In this paper we study the transmission of higher-order modes, including optical vortices (OVs), through a bus fiber evanescently coupled with a vertical array of ring resonators (VAR), which form a vertically stacked multi-ring resonator. It is shown that the OV transmission curves have a characteristic structure that we explain by the manifestation of the band structure of an infinite stack of coupled ring resonators. We demonstrate a fundamental possibility of using VARs as elements of delay lines for fiber-optic communications using orbital angular momentum. It is shown that the VAR is capable of serving as a delay line element for even and odd Laguerre–Gauss modes.
ISSN:0134-2452
2412-6179
DOI:10.18287/2412-6179-CO-1392