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Mode demultiplexer using angularly multiplexed volume holograms
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DOI：10.1364/OE.21.012920.png)
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摘要
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This study proposes a volume holographic demultiplexer (VHDM) for extracting the spatial modes excited in a multimode fiber. A unique feature of the demultiplexer is that it can separate a number of multiplexed modes output from a fiber in different directions by using multi-recorded holograms without beam splitters, which results in a simple configuration as compared with that using phase plates instead of holograms. In this study, an experiment is conducted to demonstrate the basic operations for three LP mode groups to confirm the performance of the proposed VHDM and to estimate the signal-to-crosstalk noise ratio (SNR). As a result, an SNR of greater than 20 dB is obtained. (C) 2013 Optical Society of America
Keyword:
MULTIMODE FIBERS
OPTICAL FIBERS
TRANSMISSION
STORAGE
EXCITATION
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期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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