Energy scaling of a carbon nanotube saturable absorber mode-locked femtosecond bulk laser | Zendy

Işınsu Baylam | Zendy; Sarper Özharar | Zendy; Hüseyin Çankaya | Zendy; Sun Yung Choi | Zendy; Kihong Kim | Zendy; Fabıan Rotermund | Zendy; Uwe Griebner | Zendy; Valentin Petrov | Zendy; Alphan Sennaroğlu | Zendy

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Energy scaling of a carbon nanotube saturable absorber mode-locked femtosecond bulk laser

Author(s) -

Işınsu Baylam,

Sarper Özharar,

Hüseyin Çankaya,

Sun Yung Choi,

Kihong Kim,

Fabıan Rotermund,

Uwe Griebner,

Valentin Petrov,

Alphan Sennaroğlu

Publication year - 2012

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.37.003555

Subject(s) - femtosecond , saturable absorption , materials science , laser , carbon nanotube , optics , mode locking , scaling , laser power scaling , fiber laser , optoelectronics , nanotechnology , physics , geometry , mathematics

We report successful energy scaling of a room-temperature femtosecond Cr4+: forsterite laser by using a single-walled carbon nanotube saturable absorber (SWCNT-SA). By incorporating a q-preserving multipass cavity, a repetition rate of 4.51 MHz was realized, and the oscillator produced 121 fs, 10 nJ pulses at 1247 nm, with an average output power of 46 mW. To the best of our knowledge, the peak power of 84 kW is the highest generated to date from a SWCNT-SA mode-locked oscillator. Furthermore, energy scaling of a femtosecond multipass-cavity laser, mode-locked using a SWCNT-SA, is demonstrated for the first time.

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