GaSb-based SESAM mode-locked Tm:YAG ceramic laser at 2 µm

Tunable and mode-locked laser operation near 2 µm based on different Tm-doped YAG ceramics, 4 at.% and 10 at.%, is demonstrated. Several designs of GaSb-based surface-quantum-well SESAMs are characterized and studied as saturable absorbers for mode-locking. Best mode-locking performance was achieved...

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Veröffentlicht in:	Optics express 2015-01, Vol.23 (2), p.1361-1369
Hauptverfasser:	Gluth, Alexander, Wang, Yicheng, Petrov, Valentin, Paajaste, Jonna, Suomalainen, Soile, Härkönen, Antti, Guina, Mircea, Steinmeyer, Günter, Mateos, Xavier, Veronesi, Stefano, Tonelli, Mauro, Li, Jiang, Pan, Yubai, Guo, Jingkun, Griebner, Uwe
Format:	Artikel
Sprache:	eng
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Zusammenfassung:	Tunable and mode-locked laser operation near 2 µm based on different Tm-doped YAG ceramics, 4 at.% and 10 at.%, is demonstrated. Several designs of GaSb-based surface-quantum-well SESAMs are characterized and studied as saturable absorbers for mode-locking. Best mode-locking performance was achieved using an antireflection-coated near-surface quantum-well SESAM, resulting in a pulse duration of ~3 ps and ~150 mW average output power at 89 MHz. All mode-locked Tm:YAG ceramic lasers operated at 2012 nm, with over 133 nm demonstrated tuning for continuous-wave operation.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/OE.23.001361