A dispersion flat optical fiber having a structure for effectively suppressing the development of a non-linear optical phenomenon and suitable for a wavelength multiplexing soliton transmission using an optical amplifier. It has various characteristics at a wavelength of 1,550 nm, including a dispersion having an absolute value of not greater than 5 ps/nm/km, an effective sectional area of at least 45 mu m<2>, a dispersion slope of not greater than 0.03 and a cut-off wavelength of at least 1.0 mu m at a length of 2 m.
申请公布号
WO9930193(A1)
申请公布日期
1999.06.17
申请号
WO1998JP03383
申请日期
1998.07.29
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.;KATO, TAKATOSHI;HATAYAMA, HITOSHI;SASAOKA, EISUKE;NISHIMURA, MASAYUKI