Pulse repetition rate tuning of a harmonically mode-locked ring fiber laser using resonant optical injection

V. A. Ribenek, D. A. Stoliarov, D. A. Korobko*, A. A. Fotiadi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report on a new, to the best of our knowledge, technique enabling fine-tuning of the pulse repetition rate (PRR) of a soliton harmonically mode-locked (HML) fiber laser built on the nonlinear polarization evolution (NPE). Optical injection of an external continuous wave (CW) into the HML laser cavity is used for this purpose enabling precise PRR tuning with the elementary step equal to the fundamental PRR one-by-one. The effect exhibits strong resonance dependence on the CW laser wavelength and available in both positive and negative directions. Our findings offer important insights into the HML laser dynamics associated with the birth and annihilation of solitons in the cavity.

Original languageEnglish
Pages (from-to)5687-5690
Number of pages4
JournalOptics Letters
Volume46
Issue number22
Early online date28 Oct 2021
DOIs
Publication statusPublished - 15 Nov 2021

Bibliographical note

Funding Information: Ministry of Education and Science of the Russian Federation (075-15-2021-581); Russian Science Foundation (19-72-10037).

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