Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Optik

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

Allam Srinivasa Rao

Published Mar 19, 2019• 2 citations
Publisher
DOI
10.1016/j.ijleo.2019.03.091

Related papers

Single photon nonlinear absorption spectroscopy of cascade energy level systems

Allam Srinivasa Rao

Optik•Nov 2, 2018•6 citations

A new type of resonances in saturated absorption spectroscopy of 3-level systems

M. Himbert, Serge Reynaud, J. Dupont-Roc +1 more

Optics Communications•Aug 1, 1979•12 citations

On the Prediction of the Nonlinear Absorption in Reverse Saturable Absorbing Materials

Ruth Pachter, Kiet A. Nguyen, Paul N. Day +1 more

APS•Mar 1, 2001•0 citations

van der Waals interaction–induced reverse saturable absorption in Rydberg atoms

Seyed Morteza Mousavi, Noushin Parkan, Mohammad Mahmoudi

The influence of van der Waals (vdW) interaction on the nonlinear optical properties of Rydberg atoms is investigated within a three-level cascade scheme established using two probe and control laser fields. It is demonstrated that vdW interaction can induce reverse saturable absorption (RSA) in the Rydberg atoms in the two-photon resonance condition, enabling controllable optical limiting behavior. Furthermore, the presence of vdW interaction facilitates a switch between saturable absorption and RSA and vice versa beyond the two-photon resonance condition, thereby enabling intrinsic optical bistability in the system.

Physical Review A•Nov 12, 2025•1 citation

Nonlinear Spectroscopy of Closed Degenerate Two-level Systems

Doktor der Naturwissenschaften

•Jan 1, 2006•0 citations

Intrinsic optical bistability via switching between saturable and reverse saturable absorption

Seyed Morteza Mousavi, Mohammad Mahmoudi

We present a novel approach to achieving intrinsic optical bistability and multistability through the interplay between saturable and reverse saturable absorption. Our findings reveal that the stable points on the optical bistability curve align with the switching points of intensity-dependent nonlinear absorption. By analyzing the optical properties of a four-level cascade quantum system, we demonstrate that these switching behaviors can be triggered by applying laser fields to induce nonlinear absorption. Furthermore, we propose a comprehensive model to describe the intensity-dependent nonlinear absorption within this quantum system. Finally, it is shown that the optical bistability switches to the multistability when the detuning of applied fields exceeds the multi-photon resonance condition.

Scientific Reports•Apr 15, 2025•3 citations
The influence of van der Waals (vdW) interaction on the nonlinear optical properties of Rydberg atoms is investigated within a three-level cascade scheme established using two probe and control laser fields. It is demonstrated that vdW interaction can induce reverse saturable absorption (RSA) in the Rydberg atoms in the two-photon resonance condition, enabling controllable optical limiting behavior. Furthermore, the presence of vdW interaction facilitates a switch between saturable absorption and RSA and vice versa beyond the two-photon resonance condition, thereby enabling intrinsic optical bistability in the system.
We present a novel approach to achieving intrinsic optical bistability and multistability through the interplay between saturable and reverse saturable absorption. Our findings reveal that the stable points on the optical bistability curve align with the switching points of intensity-dependent nonlinear absorption. By analyzing the optical properties of a four-level cascade quantum system, we demonstrate that these switching behaviors can be triggered by applying laser fields to induce nonlinear absorption. Furthermore, we propose a comprehensive model to describe the intensity-dependent nonlinear absorption within this quantum system. Finally, it is shown that the optical bistability switches to the multistability when the detuning of applied fields exceeds the multi-photon resonance condition.