Ndagano, B. , Nape, I., Cox, M. A., Rosales-Guzman, C. and Forbes, A. (2018) Creation and detection of vector vortex modes for classical and quantum communication. Journal of Lightwave Technology, 36(2), pp. 292-301. (doi: 10.1109/JLT.2017.2766760)
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Abstract
Vector vortex beams are structured states of light that are nonseparable in their polarisation and spatial mode, they are eigenmodes of free-space and many fiber systems, and have the capacity to be used as information carriers for both classical and quantum communication. Here, we outline recent progress in our understanding of these modes, from their creation to their characterization and detection. We then use these tools to study their propagation behavior in free-space and optical fiber and show that modal cross-talk results in a decay of vector states into separable scalar modes, with a concomitant loss of information. We present a comparison between probabilistic and deterministic detection schemes showing that the former, while ubiquitous, negates the very benefit of increased dimensionality in quantum communication while reducing signal in classical communication links. This work provides a useful introduction to the field as well as presenting new findings and perspectives to advance it further.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ndagano, Mr Bienvenu |
| Authors: | Ndagano, B., Nape, I., Cox, M. A., Rosales-Guzman, C., and Forbes, A. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Journal of Lightwave Technology |
| Publisher: | IEEE |
| ISSN: | 0733-8724 |
| ISSN (Online): | 1558-2213 |
| Published Online: | 25 October 2017 |
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