A high power photonic crystal fiber laser oscillator based on nonlinear polarization rotation mode-locking | Zendy

Dapeng Zhang | Zendy; Minglie Hu | Zendy; Chen Xie | Zendy; Chai Lu | Zendy; Qingyue Wang | Zendy

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A high power photonic crystal fiber laser oscillator based on nonlinear polarization rotation mode-locking

Author(s) -

Dapeng Zhang,

Minglie Hu,

Chen Xie,

Chai Lu,

Qingyue Wang

Publication year - 2012

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.61.044206

Subject(s) - materials science , optics , fiber laser , laser , photonic crystal fiber , femtosecond , optoelectronics , physics , wavelength

A high power femtosecond fiber laser based on a Yb-doped large mode area photonic crystal fiber operating in an all-normal dispersion regime is experimentally demonstrated. A ring laser cavity is used without any elements for dispersion compensation. Stable mode-locking is achieved through nonlinear polarization rotation and the dissipative function of a filter. The laser directly outputs 1.03 ps chirped pulses at a 49.09 MHz repetition rate for an average power of 10 W, corresponding to a pulse energy of 202 nJ. The pulses are compressed to 95.5 fs with a grating pair outside the cavity.

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