Abstract

The broadband wavelength tunability of femtosecond pulse generation using a Mach–Zehnder-modulator-based flat-comb generator (MZ-FCG) and a dispersion-flattened dispersion-decreasing fiber (DF-DDF) was demonstrated. Near-Fourier-transform-limit picosecond pulses generated from the MZ-FCG were compressed into femtosecond pulses by adiabatic soliton compression. By tuning the wavelength of the input cw light, $200\mathrm{fs}$, $10\mathrm{GHz}$ pulses were generated in the wavelength range of $1535\text{to}1570\mathrm{nm}$. Such wide-range wavelength tunability was realized by both the independence of a comb-flattening condition from the inputted wavelength and the dispersion flatness of the DF-DDF.

© 2009 Optical Society of America

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