Nonlinear nano-optics and ultrafast nano-imaging of electronic coherence in monolayer WSe2

Wenjin Luo,Benjamin G. Whetten,Vasily Kravtsov,Ashutosh Singh,Yibo Yang,Di Huang,Xinbin Cheng,Tao Jiang,Alexey Belyanin,Markus B. Raschke

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

In four-wave mixing nano-imaging of WSe 2 we resolve spatial heterogeneity in dephasing ranging from 5-45 fs at room temperature. An anti-correlation between FWM intensity and dephasing reveals a complex interplay between spatial coherence and disorder.

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关键词

anti-correlation,dephasing ranging,electronic coherence,four-wave mixing nanoimaging,monolayer WSe2,nonlinear nanooptics,room temperature,spatial coherence,spatial heterogeneity,temperature 293.0 K to 298.0 K,time 5.0 fs to 45.0 fs,ultrafast nanoimaging,WSe2we

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