Adiabatic propagation algorithm for photonic lanterns
| Autor: | Anurag Sharma, Sugeet Sunder |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Optical fiber
Eigenmode expansion Physics::Optics 02 engineering and technology 01 natural sciences law.invention 010309 optics 020210 optoelectronics & photonics Beam propagation method law 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Adiabatic process Instrumentation Physics Coupling business.industry Single-mode optical fiber Finite difference Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Control and Systems Engineering Photonics business Algorithm |
| Zdroj: | Optical Fiber Technology. 57:102219 |
| ISSN: | 1068-5200 |
| DOI: | 10.1016/j.yofte.2020.102219 |
| Popis: | Photonic lanterns are adiabatically tapered waveguiding structures which are used for loss-less coupling of light between modes of multiple single mode fibers (SMF) to specific modes or mode groups of a few mode fiber (FMF). In this paper, we demonstrate a propagation algorithm that can be used for modelling, design and analysis of such structures. Specifically, the algorithm describes the 3D scalar beam propagation in structures with an adiabatic transition along the propagation direction. It is based on the eigenmode expansion method and exploits the property of adiabaticity. The algorithm is an invaluable tool for designing application specific photonic lanterns without running tedious finite difference beam propagation method (FDBPM) simulations. On prior reported structures, we demonstrate the applicability of our propagation algorithm, thus highlighting its advantages, efficiency and comparing it with the more common FDBPM. |
| Databáze: | OpenAIRE |
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