4.6 Article

Dual-wavelength synchronous operation of a mode-locked 2-μm Tm:CaYAlO4 laser

Journal

OPTICS LETTERS
Volume 40, Issue 3, Pages 356-358

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.40.000356

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Funding

  1. National Natural Science Foundation of China [61008018, 11421064]
  2. National Basic Research Program of China [2013CBA01505]

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We experimentally demonstrated dual-wavelength synchronous operation of a high-power passively mode-locked 2-mu m Tm:CaYAlO4 (Tm:CYA) disordered crystal laser with semiconductor saturable absorber mirror (SESAM) as mode locker. The mode-locked laser emitted an average output power as high as 830 mW with pulse duration of 35.3 ps and repetition rate of 145.4 MHz. The mode-locking dual wavelengths were centered at 1958.9 nm and 1960.6 nm, respectively. Autocorrelation trace clearly shows beating pulses with pulse width of 3.5 ps and repetition rate of 0.13 THz. (C) 2015 Optical Society of America

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