Abstract

We present a complete set of measurements and numerical simulations of a femtosecond soliton source with fast and broad spectral tunability and nearly constant pulse width and average power. Solitons generated in a photonic crystal fiber, at the low-power coupling regime, can be tuned in a broad range of wavelengths, from 850 to 1200 nm using the input power as the control parameter. These solitons keep almost constant time duration $(\sim 40\mathrm{fs})$ and spectral widths $(\sim 20\mathrm{nm})$ over the entire measured spectra regardless of input power. Our numerical simulations agree well with measurements and predict a wide working wavelength range and robustness to input parameters.

© 2009 Optical Society of America

Powerful wavelength-tunable ultrashort solitons in a solid-core photonic-crystal fiber

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Spectral interference of frequency-shifted solitons in a photonic-crystal fiber

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