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Supermodes for optical transmission
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DOI：10.1364/OE.19.016653.png)
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In this paper, the concept of supermode is introduced for long-distance optical transmission systems. The supermodes exploit coupling between the cores of a multi-core fiber, in which the core-to-core distance is much shorter than that in conventional multi-core fiber. The use of supermodes leads to a larger mode effective area and higher mode density than the conventional multi-core fiber. Through simulations, we show that the proposed coupled multi-core fiber allows lower modal dependent loss, mode coupling and differential modal group delay than few-mode fibers. These properties suggest that the coupled multi-core fiber could be a good candidate for both spatial division multiplexing and single-mode operation. (C) 2011 Optical Society of America
Keyword:
FIBERS
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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