Polarization-maintained propagation of a 2200 µm2 effective-area higher-order-mode in a bent optical fiber.
Opt Express
; 28(6): 8400-8406, 2020 Mar 16.
Article
em En
| MEDLINE
| ID: mdl-32225466
ABSTRACT
We report on the excitation and polarization preserved propagation of a very large effective-area (Aeff â¼ 2240 µm2) higher-order-mode in an optical fiber. A laser signal operating in the 1 µm wavelength region is transported in a Bessel-like LP0,4 mode over a 10 m long section of the polarization-maintaining higher-order-mode fiber. We observe that the light propagates through the fiber with >10 dB polarization-extinction-ratio as the fiber is coiled into circular loops of 40 cm diameter.
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MEDLINE
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En
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Opt Express
Ano de publicação:
2020
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Article