Abstract
We investigate the adiabatic enhanced compression of ultrashort pulsesfrom a distributed feedback laser operated at 1550 nm in fibres with slowlydecreasing dispersion (FSDD). High-quality pulse compressions from4.4 ps down to 1.1 ps in a 100 m FSDD and from 4.4 ps down to830 fs in a 500 m FSDD are obtained. The Raman self-frequency shift offemtosecond pulses in the compression is observed. Theoretical analysesare in good agreement with experimental results.
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