AI Article Synopsis
- The first experimental demonstration of nonlinear switching using Bragg grating in bismuth-oxide single-mode fiber was achieved.
- This method utilized strong χ3-nonlinearity, allowing the transmission of a probe light signal to drop from 90% to 20% with just 55 W of input power.
- This represents an 18-fold improvement in switching power efficiency compared to previous experiments using silica fibers, and the results matched well with numerical simulations.
Article Abstract
We report the first experimental demonstration of Bragg grating-based nonlinear switching in a bismuth-oxide single-mode fiber. Exploiting the strong χ3-nonlinearity of this fiber in a cross-phase modulation scheme, we change the transmission of a probe near the grating stop band from 90 % to 20 %, a 6.5 dB extinction ratio, at powers as low as 55 W. This is an 18-fold improvement in the switching power compared to the best demonstrations in silica. The experimental results agree well with numerical simulations.
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| http://dx.doi.org/10.1364/OE.19.005868 | DOI Listing |
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