Generation of dissipative solitons in an actively mode-locked ultralong fibre laser

N.A. Koliada, B.N. Nyushkov, A.V. Ivanenko, Sergey M. Kobtsev, Paul Harper, Sergei K. Turitsyn, Vladimir I. Denisov, V.S. Pivtsov

Research output: Contribution to journalArticlepeer-review

Abstract

A single-pulse actively mode-locked fibre laser with a cavity length exceeding 1 km has been developed and investigated for the first time. This all-fibre erbium-doped laser has a normal intracavity dispersion and generates dissipative 8-ns solitons with a fundamental repetition rate of 163.8 kHz; the energy per pulse reaches 34 nJ. The implemented mode locking, based on the use of intracavity intensity modulator, provides self-triggering and high stability of pulsed lasing. A possibility of continuous tuning of the centre lasing wavelength in the range of 1558 - 1560 nm without any tunable spectral selective elements in the cavity is demonstrated. The tuning occurs when controlling the modulation signal frequency due to the forced change in the pulse repetition time (group delay) under the conditions of intracavity chromatic dispersion.

Original languageEnglish
Pages (from-to)95-98
Number of pages4
JournalQuantum Electronics
Volume43
Issue number2
DOIs
Publication statusPublished - 2013

Keywords

  • active mode locking
  • dissipative solitons
  • ultralong fibre laser

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