Widely power-tunable polarization-independent ultrafast mode-locked fiber laser using bulk InN as saturable absorber | Zendy

M. Jiménez-Rodríguez | Zendy; L. MonteagudoLerma | Zendy; E. Monroy | Zendy; Miguel GonzálezHerráez | Zendy; F. B. Naranjo | Zendy

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Widely power-tunable polarization-independent ultrafast mode-locked fiber laser using bulk InN as saturable absorber

Author(s) -

M. Jiménez-Rodríguez,

L. MonteagudoLerma,

E. Monroy,

Miguel GonzálezHerráez,

F. B. Naranjo

Publication year - 2017

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.25.005366

Subject(s) - saturable absorption , materials science , fiber laser , optics , ultrashort pulse , laser , mode locking , optoelectronics , polarization (electrochemistry) , physics , chemistry

The growing demand of ultrafast mode-locked fiber lasers in the near infrared has boosted the research activity in this area. One of the most convenient ways to achieve passive mode locking consists of inserting a semiconductor saturable absorber in the laser cavity to modulate the losses. However, in such a configuration, the limited power range of operation is still an unsolved issue. Here we report the fabrication of an ultrafast, high-power, widely power-tunable and non-polarization-dependent mode-locked fiber laser operating at 1.55 µm, using an InN layer as saturable absorber. With post-amplification, this laser delivers 55-fs pulses with a repetition rate of 4.84 MHz and peak power in the range of 1 MW in an all-fiber arrangement.

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