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5 November 2018 Topologically optimised mode-locked Er:fibre laser with record wide tunability of femtosecond pulses
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Abstract
Reported for the first time is study of a femtosecond Er:fibre laser with recently proposed drop-shaped cavity allowing spectral tuning of output across 78 nm. The developed configuration ensures reliable (without mode locking collapse or output power glitches) and high-quality (signal-to-noise ratio of intermode beats >58 dB) mode locking over the entire tuning range with low variation of output pulse duration (535–770 fs), making this laser a promising tool in applications that require broad-range continuous spectral tuning of femtosecond pulses. An additional feature is the possibility of continuous adjustment of the output pulse repetition rate, important in metrological applications.
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Sergey Kobtsev, Boris Nyushkov, Natalia Koliada, and Victor Pivtsov "Topologically optimised mode-locked Er:fibre laser with record wide tunability of femtosecond pulses", Proc. SPIE 10814, Optoelectronic Devices and Integration VII, 1081414 (5 November 2018); https://doi.org/10.1117/12.2500398
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