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. 2017 Jun 12;25(12):13773-13781.
doi: 10.1364/OE.25.013773.

All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode

Feng Feng, Xianqing Jin, Dominic O'Brien, Frank Payne, Yongmin Jung, Qiongyue Kang, Pranabesh Barua, Jayanta K Sahu, Shaif-Ul Alam, David J Richardson, Timothy D Wilkinson
Free article

All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode

Feng Feng et al. Opt Express. .
Free article

Abstract

We present a design of graded-index ring-core fiber (GI-RCF) supporting 3 linearly polarized (LP) mode-groups (i.e. LP01, LP11 and LP21) with a single radial index of one for mode-division multiplexed (MDM) transmission. Reconfigurable spatial light modulator (SLM) based spatial (mode) (de)multiplexers are used to systematically characterize spatial/temporal modal properties of the GI-RCF. We also demonstrate all-optical mode-group multiplexed transmissions over a 360m fabricated GI-RCF without using multiple-input multiple-output digital signal processing (MIMO DSP).

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