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Six mode selective fiber optic spatial multiplexer
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DOI：10.1364/OL.40.001663.png)
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Low-loss all-fiber photonic lantern (PL) mode multiplexers (MUXs) capable of selectively exciting the first six fiber modes of a multimode fiber (LP01, LP11a, LP11b, LP21a, LP21b, and LP02) are demonstrated. Fabrication of the spatial mode multiplexers was successfully achieved employing a combination of either six step or six graded index fibers of four different core sizes. Insertion losses of 0.2-0.3 dB and mode purities above 9 dB are achieved. Moreover, it is demonstrated that the use of graded index fibers in a PL eases the length requirements of the adiabatic tapered transition and could enable scaling to large numbers. (C) 2015 Optical Society of America
Keyword:
PHOTONIC LANTERNS
MULTIMODE
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期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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