Mode-locked fibre laser with e-controlled cavity length in ultra-wide range

A. Ivanenko; S. Kobtsev; B. Nyushkov; K. Serebrennikov; D. Lutsenko

doi:10.1117/12.2537795

18 November 2019 Mode-locked fibre laser with e-controlled cavity length in ultra-wide range

A. Ivanenko, S. Kobtsev, B. Nyushkov, K. Serebrennikov, D. Lutsenko

Proceedings Volume 11193, Nanophotonics and Micro/Nano Optics V; 111931B (2019) https://doi.org/10.1117/12.2537795
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

We propose for the first time a new method to electronically control the cavity length of mode-locked fibre lasers, allowing different lasing conditions and performance in a single laser configuration. A special cavity design was developed that combines a multi-kilometre fibre resonator boosting pulse energy to hundreds nJ with an all-PM fibre resonator providing nearly 200-m long environmentally-stable cavity round trip. Switching between the cavities is achieved automatically by adjusting modulation frequency of an optical switcher (used for active mode locking) to match the cavity round-trip time of one of the cavities. We discuss details of our method, its possibilities and limitations, in particular related to stability of pulse parameters.

Citation Download Citation

A. Ivanenko, S. Kobtsev, B. Nyushkov, K. Serebrennikov, and D. Lutsenko "Mode-locked fibre laser with e-controlled cavity length in ultra-wide range", Proc. SPIE 11193, Nanophotonics and Micro/Nano Optics V, 111931B (18 November 2019); https://doi.org/10.1117/12.2537795

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