This article is cited in 12 papers

Extreme laser radiation: physics and fundamental applications

Fibre laser with a subterahertz repetition rate of ultrashort pulses in the telecom range

A. V. Andrianov^a, V. M. Mylnikov^ab, M. Yu. Koptev^a, S. V. Murav'ev^a, A. V. Kim<sup>a

a</sup> Institute of Applied Physics of the Russian Academy of Sciences, Nizhnii Novgorod
^b Lobachevski State University of Nizhni Novgorod

Abstract: We have investigated a new fibre laser configuration for the generation of ultrashort pulses at a repetition rate far exceeding the fundamental cavity frequency. The laser configuration includes a nonlinear amplifying mirror as an artificial saturable absorber for mode locking and a spectral comb filter for pulse separation stabilisation. Generation of trains and sequences of ultrashort pulses at a repetition rate tunable in the range 8 – 200 GHz has been demonstrated experimentally. The pulses generated by the laser have been shown to retain an ordered, equidistant structure on a nanosecond timescale.

Keywords: fibre lasers, passive mode locking, ultrahigh repetition rate, telecom range.

Received: 05.02.2016

 English version: Quantum Electronics, 2016, 46:4, 387–391

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