Abstract
We propose a polarization-insensitive ultra-broadband mode filter based on a 3D graphene structure buried in a few-mode optical waveguide. Our experimental device fabricated by burying an L-shaped graphene structure in a three-mode polymer waveguide provides polarization-insensitive filtering of the fundamental mode, while keeping the higher-order modes, with a mode extinction ratio of ∼17 dB over the S + C + L band and beyond. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
| Original language | English |
|---|---|
| Pages (from-to) | 744-745 |
| Journal | Optica |
| Volume | 7 |
| Issue number | 7 |
| Online published | 1 Jul 2020 |
| DOIs | |
| Publication status | Published - 20 Jul 2020 |
Publisher's Copyright Statement
- ©2020 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
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