Few-Mode Lensed Fibers

Keywords

Fiber lenses; optical signal processing; space division multiplexing

Abstract

Few-mode lensed fiber for focusing multiple spatial modes with minimal distortion are proposed and investigated numerically and experimentally, for the first time to the best of the authors' knowledge. Although the conventional hyperbolic lens profile works effectively for the fundamental mode, it introduces severe distortion for high-order radial modes. This distortion is due to destructive interference between out-of-phase lobes in the radial direction. To reduce this distortion, we modify the lens profile to avoid such destructive interference. Focused images with significantly reduced distortions were observed in our experiments.

Publication Date

12-15-2018

Publication Title

Journal of Lightwave Technology

Volume

36

Issue

24

Number of Pages

5794-5799

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/JLT.2018.2877098

Socpus ID

85055209719 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85055209719

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