Broadband nonlinear optical response of monolayer MoSe2 under ultrafast excitation
Due to their strong light-matter interaction, monolayer transition metal dichalcogenides
(TMDs) have proven to be promising candidates for nonlinear optics and optoelectronics.
Here, we characterize the nonlinear absorption of chemical vapour deposition (CVD)-grown
monolayer MoSe 2 in the 720–810 nm wavelength range. Surprisingly, despite the presence
of strong exciton resonances, monolayer MoSe 2 exhibits a uniform modulation depth of∼
80±3% and a saturation intensity of∼ 2.5±0.4 MW/cm 2. In addition, pump-probe …
(TMDs) have proven to be promising candidates for nonlinear optics and optoelectronics.
Here, we characterize the nonlinear absorption of chemical vapour deposition (CVD)-grown
monolayer MoSe 2 in the 720–810 nm wavelength range. Surprisingly, despite the presence
of strong exciton resonances, monolayer MoSe 2 exhibits a uniform modulation depth of∼
80±3% and a saturation intensity of∼ 2.5±0.4 MW/cm 2. In addition, pump-probe …
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