Modal crosstalk suppression using digital multi-probe time reversal through free-space turbulence and multimode fiber

Authors :: Jiapeng Zhao
Alan E. Willner
Alexander Fyffe
Robert W. Boyd
Boris Braverman
Yiyu Zhou
Kai Pang
Runzhou Zhang
Zhimin Shi
Source :: Conference on Lasers and Electro-Optics.
Publication Year :: 2021
Publisher :: Optica Publishing Group, 2021.
Abstract: We demonstrate that digital multi-probe time reversal can effectively suppress crosstalk for mode-division multiplexing. The performance of multi-probe time reversal is experimentally characterized over a 340-m free-space link and a 1-km standard multimode fiber.

Subjects :: Physics
Crosstalk (biology)
Signal processing
Optics
Multi-mode optical fiber
business.industry
Fiber laser
Bit error rate
Quantum key distribution
Phase conjugation
business
Multiplexing

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