Abstrakti
A Tm,Ho:CALGO laser passively mode-locked by a GaSb-based SESAM generated pulses as short as 52 fs at a central wavelength of 2015 nm with a broad spectral bandwidth of 82 nm (full width at half maximum) owing to the combined gain profiles of both dopants for σ-polarized light. The average output power reached 376 mW at a repetition rate of 85.65 MHz. In the continuous-wave regime, the laser was power scaled up to 1.01 W at 2080.6 nm with a slope efficiency of 32.0%, a laser threshold of 155 mW and π-polarized emission. Polarized spectroscopic properties of Ho3+ ions in singly doped and codoped CALGO crystals were revisited to explain the observed laser performance.
| Alkuperäiskieli | Englanti |
|---|---|
| Sivut | 7883-7893 |
| Sivumäärä | 11 |
| Julkaisu | Optics Express |
| Vuosikerta | 30 |
| Numero | 5 |
| DOI - pysyväislinkit | |
| Tila | Julkaistu - 28 helmik. 2022 |
| OKM-julkaisutyyppi | A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä |
Rahoitus
Acknowledgements. M. Guina acknowledges the support of S. Suomalainen and A. Härköneen for SESAM fabrication. Y. Zhao acknowledges financial support from the Alexander von Humboldt Foundation through a Humboldt fellowship. P. Loiko acknowledges support from the chaire d’excellence project “RELANCE” co-funded by ANR and Normandie Region (France).
Julkaisufoorumi-taso
- Jufo-taso 1
!!ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
Sormenjälki
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