Sub-80 fs mode-locked Tm,Ho-codoped disordered garnet crystal oscillator operating at 2081 nm

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We demonstrate a mode-locked (ML) femtosecond laser based on the disordered garnet crystal Tm, Ho:CNGG. Employing a single-walled carbon nanotube saturable absorber, pulses as short as 83 and 76 fs at 2081 nm are achieved without and with external compression, respectively. The latter represents, to the best of our knowledge, the shortest pulse duration obtained from any Ho-doped or Tm, Ho-codoped laser. The average power amounts to 67 mW at a repetition rate of 102 MHz. By analyzing the soliton ML regime, the nonlinear refractive index of Tm, Ho: CNGG is estimated to be similar to 1.1 x 10(-19) m(2)/W. (C) 2018 Optical Society of America
Publisher
OPTICAL SOC AMER
Issue Date
2018-10
Language
English
Article Type
Article
Citation

OPTICS LETTERS, v.43, no.20, pp.5154 - 5157

ISSN
0146-9592
DOI
10.1364/OL.43.005154
URI
http://hdl.handle.net/10203/246561
Appears in Collection
PH-Journal Papers(저널논문)
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