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A novel multi-core fiber (MCF), having eight cores within a 125-μm-diameter cladding and suitable for short-reach transmissions, is proposed. By optimizing O-band transmission, the proposed MCF realized the high-density core packing simultaneously achieving the optical characteristics comparable to those of the standard single-mode fiber in O-band, where low material dispersion can be leveraged. The...
A 125-µm-cladding 8-core fiber applicable to short-reach transmissions and compatible with conventional components is proposed. An ultra-high-density 12-MCF cable was fabricated with the proposed MCF, and error-free 8-SDM×4-WDM×25-Gb/s (800-Gb/s/fiber) transmission was demonstrated in O-band.
Low similar splice loss between pure-silica-core fibers with enlarged effective area of 110 µm2 are demonstrated. The fiber is suitable for terrestrial long-haul transmission owing to its low attenuation, splice loss and macro-bending loss.
Pure-silica-core fiber with ring-core profile is designed to have the larger ratio of Aeff to MFD than with step-core, and realized Aeff of 135μm2 and transmission loss of 0.160dB/km with improved splicing loss onto SSMF.
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.
Novel chromatic dispersion measurement is demonstrated with simple setup based on phase mismatching four-wave-mixing. According to high accuracy of measured dispersion spectra, zero-dispersion wavelength and higher order dispersion parameters of HNLF can be determined.
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