2.8-µm polarization-maintaining Er fiber laser mode-locked by a GaSb-based SESAM

A GaSb-based SEmiconductor Saturable Absorber Mirror (SESAM) enables continuous-wave picosecond mode-locked operation with excellent stability of a polarization-maintaining mid-infrared Er:ZBLAN fiber laser. The GaSb-based SESAM mode-locked fiber laser delivers an average output power of 190 mW at 2...

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Veröffentlicht in:Optics express 2024-04, Vol.32 (9), p.15106-15114
Hauptverfasser: Normani, Simone, Idlahcen, Saïd, Loiko, Pavel, Hatim, Saad, Hanzard, Pierre-Henry, De Paula, Alisson Rodrigues, Guillemot, Lauren, Godin, Thomas, Berthelot, Thibaud, Cozic, Solenn, Poulain, Samuel, Koivusalo, Eero, Guina, Mircea, Camy, Patrice, Hideur, Ammar
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Sprache:eng
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Zusammenfassung:A GaSb-based SEmiconductor Saturable Absorber Mirror (SESAM) enables continuous-wave picosecond mode-locked operation with excellent stability of a polarization-maintaining mid-infrared Er:ZBLAN fiber laser. The GaSb-based SESAM mode-locked fiber laser delivers an average output power of 190 mW at 2.76 µm at a repetition rate of 32.07 MHz (corresponding to a pulse energy of ∼6 nJ) and exhibits a high signal-to-noise ratio of ∼80 dB. The polarization extinction ratio is more than 23 dB. By employing an intracavity diffraction grating, the laser wavelength is continuously tunable across 2.706-2.816 µm. Passively Q-switched operation of this laser is also demonstrated.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.517526