Unravelling Ultrafast Excited State Absorption in Few Layer ReS2
- Resource Type
- Authors
- K. V. Adarsh; R. P. Singh; Sourav Marik; Sudarshan Sharma; Dipendranath Mandal
- Source
- Conference on Lasers and Electro-Optics.
- Subject
- Materials science
Photon
Physics::Optics
Nonlinear optics
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Molecular physics
010309 optics
Optical pumping
0103 physical sciences
Optical limiting
0210 nano-technology
Absorption (electromagnetic radiation)
Ultrashort pulse
Layer (electronics)
Photonic crystal
- Language
Here we report excited-state absorption in few layer ReS2 using ultrafast pump-probe and nonlinear spectroscopy. The remarkable transition from reverse-saturable to two-photon absorption reveals its potential applications in optical limiting and switching.