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 …
transmission coefficient with application on all-optical switching. Two circularly polarized …
Incoherent control of optical bistability and multistability in a hybrid system: Metallic nanoparticle-quantum dot nanostructure
We discuss the optical bistability and multistability properties of incident light on a
unidirectional ring cavity consisting of a hybrid semiconductor quantum dot-metal …
unidirectional ring cavity consisting of a hybrid semiconductor quantum dot-metal …
Realization of all-optical multistate switching in an atomic coherent medium
We have experimentally observed optical multistability (OM) in an optical ring cavity
containing three-level Λ-type Doppler-broadened rubidium atoms. The shape of the OM …
containing three-level Λ-type Doppler-broadened rubidium atoms. The shape of the OM …
Enhanced Kerr nonlinearity via quantum interference from spontaneous emission
SH Asadpour, M Sahrai, A Soltani, HR Hamedi - Physics Letters A, 2012 - Elsevier
Enhanced Kerr nonlinearity via quantum interference from spontaneous emission - ScienceDirect
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Optical bistability in a five-level cascade EIT medium: an analytical approach
We propose an optical bistability (OB) model consisting of a five-level cascade
electromagnetically induced transparency (EIT) medium placed in a unidirectional ring …
electromagnetically induced transparency (EIT) medium placed in a unidirectional ring …
[HTML][HTML] Controllable optical properties of multiple electromagnetically induced transparency in gaseous atomic media
The advent of electromagnetically induced transparency (EIT) offered a new coherent
material with exotic and controllable optical properties. Although, studies on single-EIT are …
material with exotic and controllable optical properties. Although, studies on single-EIT are …
Dynamics of induced optical torque via optical vortex light
S Askar, DJ Jasim, AH Al-Rubaye, OFS Ugli… - Laser Physics …, 2024 - iopscience.iop.org
This paper investigates the dynamics of induced torque in Nitrogen-Vacancy (NV) centers
interacting with two weak optical vortex beams as well as a strong control field, exploring the …
interacting with two weak optical vortex beams as well as a strong control field, exploring the …
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 …
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 …
is investigated in GaAs/Al x Ga l− x As semiconductor structure with 15 periods of 17.5 nm …
Phase control of Kerr nonlinearity due to quantum interference in a four-level N-type atomic system
SH Asadpour, HR Hamedi, M Sahrai - Journal of luminescence, 2012 - Elsevier
Linear and nonlinear response of a four-level N-type atomic system for a weak probe field is
investigated. It is demonstrated that the giant Kerr nonlinearity with reduced absorption can …
investigated. It is demonstrated that the giant Kerr nonlinearity with reduced absorption can …