PLC-based LP₁₁ mode rotator for mode-division multiplexing transmission

PLC-based LP₁₁ mode rotator for mode-division multiplexing transmission

A PLC-based LP11 mode rotator is proposed. The proposed mode rotator is composed of a waveguide with a trench that provides asymmetry of the waveguide. Numerical simulations show that converting LP11a (LP11b) mode to LP11b (LP11a) mode can be achieved with high conversion efficiency (more than 90%)...

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Veröffentlicht in:Optics express 2014-08, Vol.22 (16), p.19117-19130
Hauptverfasser: Saitoh, Kunimasa, Uematsu, Takui, Hanzawa, Nobutomo, Ishizaka, Yuhei, Masumoto, Kohei, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko
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Sprache:eng
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Zusammenfassung:A PLC-based LP11 mode rotator is proposed. The proposed mode rotator is composed of a waveguide with a trench that provides asymmetry of the waveguide. Numerical simulations show that converting LP11a (LP11b) mode to LP11b (LP11a) mode can be achieved with high conversion efficiency (more than 90%) and little polarization dependence over a wide wavelength range from 1450 nm to 1650 nm. In addition, we fabricate the proposed LP11 mode rotator using silica-based PLC. It is confirmed that the fabricated mode rotator can convert LP11a mode to LP11b mode over a wide wavelength range.
ISSN:1094-4087
DOI:10.1364/oe.22.019117