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We experimentally evaluate the time-varying crosstalk frequency response of a multicore fiber. Our findings suggest that dynamically adaptive transmission would be able to exploit this behavior, to improve the performance of crosstalk-limited links.
Inter-core crosstalk of multi-core fibers is stochastic and heavily dependent on various perturbations such as bend and twist, and of course on fiber structures. Characteristics of the crosstalk are described from theoretical and experimental results.
It was experimentally and theoretically confirmed for the first time that inter-core crosstalk can be varied more than 20dB depending on bending radius. Simulation results based on coupled-mode equation with equivalent index model are in good agreement with measurement results.
Flexible conversion from an arbitrary wavelength to desired wavelength in whole C-band is studied and demonstrated within 1.7 dB efficiency variation among all conversion pairs using HNLF having dispersion slope of +0.02 ps/nm2/km and ?? of 30/W/km.
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