Generation of high energy square-wave pulses in all anomalous dispersion Er:Yb passive mode locked fiber ring laser | Zendy

Georges Semaan | Zendy; Fatma Ben Braham | Zendy; Mohamed Salhi | Zendy; Yichang Meng | Zendy; Faouzi Bahloul | Zendy; François Sanchez | Zendy

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Generation of high energy square-wave pulses in all anomalous dispersion Er:Yb passive mode locked fiber ring laser

Author(s) -

Georges Semaan,

Fatma Ben Braham,

Mohamed Salhi,

Yichang Meng,

Faouzi Bahloul,

François Sanchez

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.008399

Subject(s) - optics , fiber laser , materials science , mode locking , laser , dispersion (optics) , self phase modulation , pulse (music) , nonlinear optics , physics , detector

We have experimentally demonstrated square pulses emission from a co-doped Er:Yb double-clad fiber laser operating in anomalous dispersion DSR regime using the nonlinear polarization evolution technique. Stable mode-locked pulses have a repetition rate of 373 kHz with 2.27 µJ energy per pulse under a pumping power of 30 W in cavity. With the increase of pump power, both the duration and the energy of the output square pulses broaden. The experimental results demonstrate that the passively mode-locked fiber laser operating in the anomalous regime can also realize a high-energy pulse, which is different from the conventional low-energy soliton pulse.

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