Nonlinear spectroscopy of three-level cascade systems in the act of saturable and reverse saturable absorption

Rao, A.S.

doi:10.1016/j.ijleo.2019.03.091

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“…Three-level model 45 is developed to facilitate the tting of RSA signals. The rate equations can be expressed as:…”

Section: Resultsmentioning

confidence: 99%

Two-dimensional red phosphorus: Emerging nonlinear optical material with solvent effect

Xie,

Wang,

et al. 2024

Preprint

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Currently, the existing third-order nonlinear optical research about phosphorus-based two-dimensional materials mainly focuses on black phosphorus, while the study on red phosphorus is still insufficient. Here, the third-order nonlinear optical properties of two-dimensional red phosphorus are reported for the first time. Interestingly, the nonlinear optical solvent effect is observed in several solvents including 1,2-propylene glycol and 1,2,3-glycerol. Ultrafast carrier dynamics and time-dependent density functional theory calculations jointly reveal that this solvent-dependent nonlinear optical behavior is attributed to different absorption capacities between the ground and excited states, which are influenced by the dielectric polarizations of the solvents. These results endow two-dimensional red phosphorus with promising prospects in nonlinear optical applications.

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“…Three-level model 45 is developed to facilitate the tting of RSA signals. The rate equations can be expressed as:…”

Section: Resultsmentioning

confidence: 99%

Two-dimensional red phosphorus: Emerging nonlinear optical material with solvent effect

Xie,

Wang,

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

Saturation effects in nonlinear absorption, refraction, and frequency conversion: a review

Rao

2022

Optik

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Nonlinear spectroscopy of three-level cascade systems in the act of saturable and reverse saturable absorption

Cited by 2 publications

References 31 publications

Two-dimensional red phosphorus: Emerging nonlinear optical material with solvent effect

Two-dimensional red phosphorus: Emerging nonlinear optical material with solvent effect

Saturation effects in nonlinear absorption, refraction, and frequency conversion: a review

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