5 February 2013 Separation of LP modes using volume holographic demultiplexer with a dual-wavelength method for mode division multiplexing
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Abstract
We propose a volume holographic mode demultiplexer incorporating a dual-wavelength method, which enables us to easily and flexibly set up the receiving system in mode division multiplexing for a large number of mode multiplexing. This demultiplexer can separate a lot of multiplexed modes with different wavelengths through angularly hologram multiplexing by appropriate angular difference between the two holographic writing beams. Thereby, the proposed method can be applicable to wavelength division multiplexing systems. In this study, we demonstrated the mode separation using the proposed demultiplexer with dual-wavelength. The results showed that the separation ratios of three LP modes reached around 90%.
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Kento Kawabata, Kento Kawabata, Atsushi Okamoto, Atsushi Okamoto, Satoshi Honma, Satoshi Honma, Yuta Wakayama, Yuta Wakayama, Kunihiro Sato, Kunihiro Sato, Akihisa Tomita, Akihisa Tomita, } "Separation of LP modes using volume holographic demultiplexer with a dual-wavelength method for mode division multiplexing", Proc. SPIE 8647, Next-Generation Optical Communication: Components, Sub-Systems, and Systems II, 86470C (5 February 2013); doi: 10.1117/12.2003459; https://doi.org/10.1117/12.2003459
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