All-optical fiber optic coherent amplifier

A Goodarzi, M Ghanaatshoar, M Mozafari - Scientific reports, 2018 - nature.com
A fiber optic-based all-optical amplifier is designed by using the coherent perfect absorption
phenomenon. For this purpose, we use a deposited chromium thin layer as an absorbent …

Miniaturized optoelectronic SPR sensor based on integrated planar waveguide and MIM hot-electron photodetector

A Lotfiani, M Ghanaatshoar… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
There is an increasing interest in miniaturized surface plasmon resonance (SPR) sensors for
portable biosensing. Toward this goal, removing the use of an external spectrometer is a …

High-sensitive optoelectronic SPR biosensor based on Fano resonance in the integrated MIM junction and optical layers

A Lotfiani, SM Mohseni, M Ghanaatshoar - Optics Communications, 2020 - Elsevier
Abstract Development of the miniaturized surface plasmon resonance (SPR) sensors with
high sensitivity is required for biomedical sensing applications. In this regard, elimination of …

Large Faraday rotation in magnetophotonic crystals containing SiO2/ZrO2 matrix doped with CoFe2O4 magnetic nanoparticles

M Zamani, A Hocini - Optical Materials, 2016 - Elsevier
This paper has focused on the potential of the SiO 2/ZrO 2 matrix doped with CoFe 2 O 4
magnetic nanoparticles in order to achieve the high performance one-dimensional …

Octonacci magnetophotonic quasi-crystals

M Zamani, M Amanollahi, M Taraz - Optical Materials, 2019 - Elsevier
In the present work, we have theoretically investigated the optical and magneto-optical
spectra of quasi-periodic magnetic-dielectric multilayers composed by Ce: YIG and Si …

Magneto-optical isolators with flat-top responses based on one-dimensional magneto-photonic crystals

H Fei, J Wu, Y Yang, X Liu, Z Chen - Photonics and Nanostructures …, 2015 - Elsevier
We propose two composite structures based on a one-dimensional magneto-photonic
crystal basic structure and employ the 4× 4 transfer matrix to investigate their transmission …

Active THz metasurfaces for compact isolation

E Almpanis, GP Zouros, KL Tsakmakidis - JOSA B, 2021 - opg.optica.org
Metasurfaces constitute an emerging technology, allowing for compact manipulation of all
degrees of freedom of an incident lightwave. A key ongoing challenge in the design of these …

Tunable multifunctional magneto-optical devices based on magnetophotonic crystals comprising liquid crystal defect layers

S Keramati, M Zamani, M Ghanaatshoar - Journal of Applied Physics, 2013 - pubs.aip.org
In this paper, we are going to demonstrate how realization of tunable magnetophotonic
crystals (MPCs) is possible through introduction and investigation of a couple of structures …

Enhanced magneto-optic properties in sputtered Bi-containing ferrite garnet thin films fabricated using oxygen plasma treatment and metal oxide protective layers

VA Kotov, M Nur-E-Alam, M Vasiliev, K Alameh… - Materials, 2020 - mdpi.com
Magneto-optic (MO) imaging and sensing are at present the most developed practical
applications of thin-film MO garnet materials. However, in order to improve sensitivity for a …

Miniaturized magnetophotonic crystals for multifunction applications in infrared region

M Zamani, M Ghanaatshoar - Optical Engineering, 2015 - spiedigitallibrary.org
We demonstrated that achieving suitable adjustable and tunable magneto-optical (MO)
responses is possible by offering an appropriate approach for the design of …