Abstract

Linearly chirped, subnanosecond optical pulses, emitted at an arbitrary repetition rate by a fast-tuned monolithic diode laser, were compressed down to 600 fs by group-velocity dispersion in a standard optical fiber. Subsequent amplification and nonlinear compression in an erbium-doped fiber amplifier produced pulses with the energy of up to 2 nJ and the duration down to 230 fs.

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