期刊
OPTICS LETTERS
卷 37, 期 11, 页码 2085-2087出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.37.002085
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资金
- National Natural Science Foundation of China [61008018, 60890202, 11121504]
We experimentally demonstrated a passively mode-locked femtosecond laser by using a graphene-based saturable absorber mirror (graphene SAM) in the spectral region of 2 mu m. The graphene SAM was fabricated by transferring chemical-vapor-deposited, high-quality, and large-area graphene on a highly reflective plane mirror. Stable mode-locked laser pulses as short as 729 fs were obtained with a repetition rate of 98.7 MHz and an average output power of 60.2 mW at 2018 nm. (C) 2012 Optical Society of America
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