Demonstration of a 280-Gbit/s free-space SDM communications link utilizing plane-wave spatial multiplexing

Lavery, M. P.J., Huang, H., Ren, Y., Xie, G. and Willner, A. E. (2016) Demonstration of a 280-Gbit/s free-space SDM communications link utilizing plane-wave spatial multiplexing. Optics Letters, 41(5), pp. 851-854. (doi:10.1364/OL.41.000851) (PMID:26974062)

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Abstract

We demonstrate a 280-Gbit/s free-space SDM communications link incorporating a set of independent tilted truncated plane-waves, each generated by a single mode fiber placed at the back-focal plane of a spherical lens. Each of the 7 tilted plane-wave channels are encoded with a 40-Gbit/s 16-QAM signal. Our approach comprises two identical linear fiber-arrays placed approximately 5 m apart. As each fiber array is placed at the back-focal-plane of a spherical lens, each fiber array is effectively placed in a conjugate image plane of the other. A channel crosstalk less than 26 dB is shown, with a bit-error-rate below the FEC threshold of 3.8 × 10−3.

Item Type:Articles (Letter)
Additional Information:Funding. U.S. National Science Foundation Royal Academy of Engineering Research Fellowship EPSRC Doctoral Prize Fellowship.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lavery, Dr Martin
Authors: Lavery, M. P.J., Huang, H., Ren, Y., Xie, G., and Willner, A. E.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Optics Letters
Publisher:Optical Society of America
ISSN:0146-9592
ISSN (Online):1539-4794
Published Online:17 February 2016
Copyright Holders:Copyright © 2016 Optical Society of America
First Published:First published in Optics Letters 41(5):851-854
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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