Simultaneous Orthogonalizing and Shaping of Multiple LG Beams to Mitigate Crosstalk and Power Loss by Transmitting Each of Four Data Channels on Multiple Modes in a 400-Gbit/s Free-Space Link

Kai Pang Haoqian Song, Xinzhou Su, Kaiheng Zou, Zhe Zhao, Hao Song, Ahmed Almaiman, Runzhou Zhang, Cong Liu, Nanzhe Hu, Shlomo Zach, Nadav Cohen, Brittany Lynn, Andreas F. Molisch, Robert W. Boyd, Moshe Tur, Alan E. Willner

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

We experimentally utilize orthogonal combinations of multiple Laguerre-Gaussian modes in a 400-Gbit/s free-space link with limited-size aperture or misalignment. Power loss and crosstalk could be reduced by up to ∼15 dB and ∼40 dB, respectively.

Original languageEnglish
Title of host publication2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781943580712
StatePublished - Mar 2020
Externally publishedYes
Event2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - San Diego, United States
Duration: 8 Mar 202012 Mar 2020

Publication series

Name2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings

Conference

Conference2020 Optical Fiber Communications Conference and Exhibition, OFC 2020
Country/TerritoryUnited States
CitySan Diego
Period8/03/2012/03/20

Bibliographical note

Funding Information:
Figure 4. (a1) Displacement-induced power loss and (a2) channel crosstalk under various horizontal displacements for single LG modes or designed mode combinations when LG modes with different l values but the same p value (LG10 and LG-10 modes) are utilized. (b1) Experimental bit error rate (BER) of the four mode combinations with OSNR when all the four mode combinations are transmitted. Measured constellations for LG10, LG11, LG-10, andGL-1mo1deswhenallthefoursingleLG modesaretransmitted.B2B:backtoback;FEC:forwarderrorcorrection. Acknowledgement: We acknowledge the generous support of National Science Foundation (NSF) (ECCS-1509965); Vannevar Bush Faculty Fellowship sponsored by the Basic Research Office of the Assistant Secretary of Defense (ASD) for Research and Engineering (R&E) and funded by the Office of Naval Research (ONR) (N00014-16-1-2813); Defense Security Cooperation Agency (DSCA-444064262).

Publisher Copyright:
© 2020 OSA.

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