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Genetic studies have elegantly characterized the innate immune response in Drosophila melanogaster. However, these studies have a limited ability to reveal the biochemical mechanisms underlying the innate immune response. To investigate the biochemical basis of how insects recognize invading microbes and how these recognition signals activate the innate immune response, it is necessary to use insects,...
We observed fiber fuse propagation in the LP11 mode in few-mode fiber. We report that the propagation threshold of the fiber fuse in the LP11 mode was higher than that in the LP01 mode.
The fiber fuse phenomenon will pose a real danger to optical communication systems constructed with conventional single-mode fiber in the future. I describe techniques to actively and/or passively terminate fiber fuses.
We confirmed fiber fuse termination using a fiber fuse terminator consisting of a 1.4 mm-long HAF at a 22 W input. We observed a break in fiber fuse suppression when the HAF was 0.4 mm long.
We clarified the mechanism of fiber fuse termination in hole-assisted fiber (HAF) by observing its dynamics at a splice point between HAF and SMF. We examined fiber fuse propagation in HAF and confirmed that it depends strongly on the hole diameter.
We observed a new fiber fuse propagation mode in HAF with an approximately 30 times larger period than that in SMF. We made the first observation of a new fiber fuse threshold power (upper threshold).
The dispersion compensation of a conventional dispersion-shifted fibre is demonstrated using a photonic crystal fibre in the 1310 nm wavelength region for the first time. 40 Gbit/s-signals are transmitted within a 0.1 dB power penalty.
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