Single-walled carbon nanotube saturable absorber assisted high-power mode-locking of a Ti:sapphire laser

Single-walled carbon nanotube saturable absorber assisted high-power mode-locking of a Ti:sapphire laser

We report on passive mode-locking of a Ti:sapphire laser employing a single-walled carbon nanotube saturable absorber (SWCNT-SA) specially designed and fabricated for wavelengths near 800 nm. Mode-locked pulses as short as 62 fs were generated at a repetition rate of 99.4 MHz. We achieved output pow...

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Veröffentlicht in:Optics express 2011-04, Vol.19 (8), p.7833-7838
Hauptverfasser: Baek, In Hyung, Choi, Sun Young, Lee, Hwang Woon, Cho, Won Bae, Petrov, Valentin, Agnesi, Antonio, Pasiskevicius, Valdas, Yeom, Dong-Il, Kim, Kihong, Rotermund, Fabian
Format: Artikel
Sprache:eng
Schlagworte:
Fysik
NATURAL SCIENCES
NATURVETENSKAP
Optics
Optik
Other physics
Physics
Övrig fysik
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Beschreibung
Zusammenfassung:We report on passive mode-locking of a Ti:sapphire laser employing a single-walled carbon nanotube saturable absorber (SWCNT-SA) specially designed and fabricated for wavelengths near 800 nm. Mode-locked pulses as short as 62 fs were generated at a repetition rate of 99.4 MHz. We achieved output powers from the SWCNT-SA mode-locked laser as high as 600 mW with a slope efficiency of 26%. The characteristics of SWCNT-SA-assisted mode-locking were compared with those of Kerr-lens mode-locking without SWCNT-SA.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.19.007833