Controlling the optical bistability and transmission coefficient in a four-level atomic medium

SH Asadpour, A Eslami-Majd - Journal of luminescence, 2012 - Elsevier
A novel four level atomic configuration is proposed for controlling the optical bistability and
transmission coefficient with application on all-optical switching. Two circularly polarized …

Phase control of optical bistability and multistability via spin coherence in a quantum well waveguide

SH Asadpour, M Jaberi, HR Soleimani - JOSA B, 2013 - opg.optica.org
In a GaAs quantum well waveguide coupled by orthogonally polarized optical fields, the
influence of spin coherence on the optical bistability (OB) and multistability is investigated. It …

Exchange of orbital angular momentum of light via noise-induced coherence

SH Asadpour, Ziauddin, M Abbas, HR Hamedi - Physical Review A, 2022 - APS
The noise-induced coherence created via the quantum interference of incoherent radiation
in atomic three-level systems of V and Λ types driven by a pair of weak laser pulses is shown …

Giant Kerr nonlinearity in an n-doped semiconductor quantum well

SH Asadpour, HR Hamedi - Optical and Quantum Electronics, 2013 - Springer
A scheme for enhancement of Kerr nonlinearity with vanishing linear and nonlinear
absorption in a three-level ladder-configuration n-doped semiconductor quantum well is …

Phase control of optical bistability based biexciton coherence in a quantum dot nanostructure

SH Asadpour, HR Soleimani - Physica B: Condensed Matter, 2014 - Elsevier
In this paper, phase control of optical bistability and multistability based biexciton coherence
is investigated in GaAs/Al x Ga l− x As semiconductor structure with 15 periods of 17.5 nm …

Two-channel optical bistability and multistability in a degenerate four-level atomic medium under a static magnetic field

NTT Hien, NL Dan, NH Bang, DX Khoa, N Van Phu… - Scientific Reports, 2024 - nature.com
In this paper, we study the formation of optical bistability (OB) and optical multistability (OM)
in a degenerate four-level atomic system by an external magnetic field that is excited by a …

[HTML][HTML] Dynamical switching and memory via incoherent pump assisted optical bistability

YN Li, YY Chen, RG Wan, HW Yan - Physics Letters A, 2019 - Elsevier
We analyze the dynamical behavior of all-optical switching and memory based on tunable
optical bistability in a three-level Λ-type atomic system driven by a probe field circulating in …

Optical bistability and multistability in an open ladder-type atomic system

SH Asadpour, HR Hamedi… - Journal of Modern …, 2013 - Taylor & Francis
A novel scheme is proposed for controlling the optical bistability and multistability in an
atomic system. In an open ladder-type three-level atomic system, it is shown that, by …

Orbital angular momentum induced bistability in a quantum system

X Zhang, L Li, X Wang, L Zheng - Laser Physics Letters, 2022 - iopscience.iop.org
In this article, we have proposed a unique approach to adjust optical bistability (OB) and
optical multistability (OM) in a ring cavity inclusive of a three-level quantum system primarily …

Effective control of the optical bistability of a three-level quantum emitter near a nanostructured plasmonic metasurface

HR Hamedi, E Paspalakis, V Yannopapas - Photonics, 2021 - mdpi.com
We study, theoretically, the phenomena optical bistability and multistability of a hybrid
quantum-plasmonic system immersed within an optical ring cavity. The hybrid quantum …