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Article Dans Une Revue Optics Express Année : 2010

Ultrashort pulse generation from 156 µm mode-locked VECSEL at room temperature

Résumé

We report on a picosecond pulse source delivering near transform-limited pulses in the 1.55 µm wavelength region, based on an optically pumped InP-based mode locked Vertical External Cavity Surface Emitting Laser (VECSEL). The cavity combines two semiconductor elements, a gain structure which includes six strained InGaAlAs quantum wells and a hybrid metal-metamorphic Bragg bottom mirror bonded onto a CVD diamond substrate, and a single quantum well GaInNAs SEmiconductor Saturable Absorber Mirror (SESAM). The laser operates at a repetition frequency of 2 GHz and emits near-transform-limited 1.7 ps pulses with an average output power of 15 mW at room temperature, using 1.7 W pump power at 980nm. The RF line width of the free running laser has been measured to be less than 1 kHz.
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hal-04433540 , version 1 (02-02-2024)

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Aghiad Khadour, Sophie Bouchoule, Guy Aubin, Jean-Christophe Harmand, Jean Decobert, et al.. Ultrashort pulse generation from 156 µm mode-locked VECSEL at room temperature. Optics Express, 2010, 18 (19), pp.19902. ⟨10.1364/OE.18.019902⟩. ⟨hal-04433540⟩

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