Influence of mode coupling on three spatially multiplexed channels in multimode graded index plastic optical fibers
The influence of mode coupling on three-channel spatial division multiplexing capability in multimode graded index plastic optical fibers is investigated by solving the power flow equation. Our numerical results show that mode coupling significantly limits the fiber length at which the spatial divis...
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Veröffentlicht in: | Laser physics 2020-11, Vol.30 (11), p.115102 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | The influence of mode coupling on three-channel spatial division multiplexing capability in multimode graded index plastic optical fibers is investigated by solving the power flow equation. Our numerical results show that mode coupling significantly limits the fiber length at which the spatial division multiplexing can be realized with a minimal crosstalk between three neighbor spatial optical channels. Three spatial channels in the multimode graded index plastic optical fiber can be employed with a minimal crosstalk up to the fiber length of 3.5 m, which is about 12.5% of the coupling length (fiber length where equilibrium mode distribution is achieved). Such characterization of multimode graded index plastic optical fibers should be considered in designing an optical fiber transmission system for space division multiplexing, particularly for small office networking. |
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ISSN: | 1054-660X 1555-6611 |
DOI: | 10.1088/1555-6611/abbed8 |