Passive harmonic mode-locking in fiber lasers with graphene

Grzegorz Sobon; Jaroslaw Sotor; Krzysztof M. Abramski

doi:10.1117/12.2014824

22 January 2013 Passive harmonic mode-locking in fiber lasers with graphene

Grzegorz Sobon, Jaroslaw Sotor, Krzysztof M. Abramski

Proceedings Volume 8702, Laser Technology 2012: Progress in Lasers; 87020H (2013) https://doi.org/10.1117/12.2014824
Event: Tenth Symposium on Laser Technology, 2012, Szczecin, Poland

Abstract

In this work we demonstrate a harmonically mode-locked Er-doped fiber laser utilizing graphene saturable absorber. The laser could operate at various harmonics of the fundamental repetition frequency, depending on the launched pump power. The highest obtained repetition rate was 2.22 GHz, which corresponds to the 21st harmonic of the resonator mode-spacing. At this harmonic, the laser generated sub-picosecond pulses with over 40 dB of supermode noise suppression. Multilayer graphene was obtained by mechanical exfoliation and deposited onto a fiber connector tip, forming a saturable absorber.

Citation Download Citation

Grzegorz Sobon, Jaroslaw Sotor, and Krzysztof M. Abramski "Passive harmonic mode-locking in fiber lasers with graphene", Proc. SPIE 8702, Laser Technology 2012: Progress in Lasers, 87020H (22 January 2013); https://doi.org/10.1117/12.2014824

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