Sub-50 fs Yb-doped laser with anomalous-dispersion photonic crystal fiber


We report on the generation of 42 fs pulses at 1 µm in a completely fiber-integrated format, which are, to the best of our knowledge, the shortest from all-fiber-integrated Yb-doped fiber lasers to date. The ring fiber cavity incorporates anomalous-dispersion, solid-core photonic crystal fiber with low birefringence, which acts as a broadband, in-fiber Lyot filter to facilitate mode locking. The oscillator operates in the stretched-pulse regime under slight normal net cavity dispersion. The cavity generates 4.7 ps long pulses with a spectral bandwidth of 58.2 nm, which are dechirped to 42 fs via a grating pair compressor outside of the cavity. Relative intensity noise (RIN) of the laser is characterized, with the integrated RIN found to be 0.026% in the 3 Hz-250 kHz frequency range.

Publication DOI:
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Full Text Link: http://reposito ... CC05?sequence=1
Related URLs: http://www.opti ... URI=ol-38-6-956 (Publisher URL)
PURE Output Type: Article
Published Date: 2013-03-15
Authors: Zhang, Zuxing
Şenel, Ç.
Hamid, R.
Ilday, F.Ö.

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