Abstract

Erbium and ytterbium fiber lasers were firmly synchronized by nonlinear interaction in active media placed in the same cavity. A two-color femtosecond–picosecond pulse train at largely separate wavelengths of 1.55 and $1.04 \mathit{\mu }\mathrm{m}$ was generated. Optimizing the laser cavity to enhance the cross-phase modulation in the gain materials has yielded a large mismatch of $20 \mathit{\mu }\mathrm{m}$ between the two laser cavities.

© 2004 Optical Society of America

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