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Generation of a polarised supercontinuum in small-diameter quasi-elliptic fibres

A supercontinuum is generated for the first time and studied in twin tapered fibres with a micron waist upon pumping by femtosecond pulses. The supercontinuum is obtained in the range from 460 to 1070 nm at the −28 dB level with the degree of polarisation up to 97 %. The polarisation and coherent properties of the supercontinuum are studied experimentally.