Pulse broadening in long-span dispersion-free single-mode fibres at 1.5 μm

作者: A. Kawana , T. Miya , N. Imoto , H. Tsuchiya

DOI: 10.1049/EL:19800135

关键词: Dispersion (optics)Bandwidth-limited pulseSingle-mode optical fiberOpticsPulse broadeningWaveguide dispersionLaser diodePolarization mode dispersionOptical fiberMaterials science

摘要: Dispersion-free single-mode fibres at 1.5 μm were fabricated by controlling their waveguide dispersion and dopant-dependent material dispersion. Pulse broadening in the 20 km long fibre was measured using a laser diode operated μm. Measured pulse 1.3 ps/km nm, which is good agreement with theoretical results. The present experiment confirms that it beneficial to use such for large-capacity long-distance transmission media.

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T. Miya, Y. Terunuma, T. Hosaka, T. Miyashita, Ultimate low-loss single-mode fibre at 1.55 μm Electronics Letters. ,vol. 15, pp. 106- 108 ,(1979) , 10.1049/EL:19790077