Experimental demonstration of 20 Gbit/s data encoding and 2 ns channel hopping using orbital angular momentum modes
Abstract
We explore the use of the spatial domain as a degree of freedom for data encoding and channel hopping. We experimentally demonstrate data encoding at 20 Gbit/s using four possible orbital angular momentum (OAM) modes. The influence of mode spacing and time misalignment between modal channels on the switching crosstalk and bit-error rates is investigated. We find that the use of adjacent modes with a mode spacing of one introduces an extra power penalty of 3.2 dB compared with a larger mode spacing. Moreover, we demonstrate reconfigurable hopping of a 100 Gbit/s quadrature-phase-shift-keying (QPSK) data channel between four OAM modes with a 2 ns switching guard time. The results show that the power penalties for different hopping rates and mode spacings are less than 5.3 dB.
Additional Information
© 2015 Optical Society of America. Received 15 October 2015; revised 25 October 2015; accepted 26 October 2015; posted 27 October 2015 (Doc. ID 252021); published 11 December 2015. We thank Drs. Michael Kendra and Tommy Willis for fruitful discussions. Funding: Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF); NxGen Partners; Office of Naval Research (ONR).Additional details
- Eprint ID
- 96844
- Resolver ID
- CaltechAUTHORS:20190628-110705247
- Air Force Office of Scientific Research (AFOSR)
- NSF
- Office of Naval Research (ONR)
- NxGen Partners
- Created
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2019-07-01Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field