Brüning, R., Ndagano, B. , McLaren, M., Schröter, S., Kobelke, J., Duparré, M. and Forbes, A. (2016) Data transmission with twisted light through a free-space to fiber optical communication link. Journal of Optics, 18(3), 03LT01. (doi: 10.1088/2040-8978/18/3/03lt01)
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Abstract
Mode division multiplexing (MDM), where information is transmitted in the spatial modes of light, is mooted as a future technology with which to transmit large bits of information. However, one of the key issues in optical communication lies in connecting free-space to optical fiber networks, otherwise known as the 'last mile' problem. This is particularly problematic for MDM as the eigenmodes of free-space and fibers are in general not the same. Here we demonstrate a data transmission scheme across a free-space and fiber link using twisted light in the form of Laguerre–Gaussian (LG) azimuthal modes. As a proof-of-principle we design and implement a custom fiber where the supported LG modes can be grouped into five non-degenerate sets, and successfully transmit a gray-scale image across the composite link using one mode from each group, thereby ensuring minimal crosstalk.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ndagano, Mr Bienvenu |
| Authors: | Brüning, R., Ndagano, B., McLaren, M., Schröter, S., Kobelke, J., Duparré, M., and Forbes, A. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Journal of Optics |
| Publisher: | IOP Publishing |
| ISSN: | 2040-8978 |
| ISSN (Online): | 2040-8986 |
| Published Online: | 04 February 2016 |
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