Generation of 1.2-nJ, 62-fs, chirp-free pulses directly from a Yb-doped fiber oscillator

Teamir, Tesfay; Ilday, F. Ö.

doi:10.1109/cleopr.2015.7376300

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2019

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“…For example, Lim achieved 120 fs from a fiber oscillator with a net dispersion of −0.021 ps 2 [15], which was de-chirped to 75 fs by external gratings outside the cavity. Teamir and Ilday achieved 62 fs pulses directly from the oscillator with two pairs of diffraction gratings inside the cavity [16]. The extra gratings inside the cavity take up more space and make the oscillator size bigger.…”

Section: Introductionmentioning

confidence: 99%

Generating 84 fs, 4 nJ directly from an Yb-doped fiber oscillator by optimization of the net dispersion

Chen¹,

Huynh²,

Zhou³

et al. 2019

Laser Phys.

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We reported a simple and compact Yb-doped fiber femtosecond oscillator, which is based on a dispersion management and nonlinear polarization evolution (NPE) technique. Here, 84 fs, 4 nJ at 1030 nm pulses were generated directly from the mode-locked fiber oscillator by optimization of the net dispersion of the cavity. Only a pair of gratings was used to compensate the positive dispersion caused by the fibers and other optics in the cavity. This is, to our knowledge, the shortest pulse duration directly from a fiber oscillator without any extra compressor outside the cavity.

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Section: Introductionmentioning

confidence: 99%