Design and modeling of a photonic integrated device for optical vortex generation in a silicon waveguide
We propose and numerically verify a design of the photonic integrated circuit for in-plane generation of a 1st azimuthal order vortex mode in dielectric rectangular waveguides. Radiation is introduced into the proposed structure in a standard way through two grating couplers. Applying a mode couplin...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Samara National Research University
2021-06-01
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| Series: | Компьютерная оптика |
| Subjects: | |
| Online Access: | http://computeroptics.ru/eng/KO/Annot/KO45-3/450303e.html |
| Summary: | We propose and numerically verify a design of the photonic integrated circuit for in-plane generation of a 1st azimuthal order vortex mode in dielectric rectangular waveguides. Radiation is introduced into the proposed structure in a standard way through two grating couplers. Applying a mode coupling and specific phase shift, a field with the required amplitude-phase distribution is formed directly in the output waveguide. The geometric dimensions of the device are simulated and optimized to fit the technological parameters of the silicon-on-insulator platform. |
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| ISSN: | 0134-2452 2412-6179 |