Abstract
The saturable absorption properties of few-layer graphitic carbon nitride () nanosheets near 3 μm were investigated. A stable -switched laser at 2.84 μm was realized by using a home-made saturable absorber (SA), generating a pulse duration of 351 ns and an average output power of 1.09 W at a repetition rate of 99 kHz, corresponding to a pulse energy of 11.1 μJ. Our result indicates a great potential of as a new SA in the 3 μm wavelength range.
© 2017 Optical Society of America
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