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Science Bulletin 2024年第11期69卷 1607-1611页

作者： Nikolay L.Kazanskiy svetlana N.khonina Muhammad A.Butt Samara National Research University Samara 443086Russia

A metasurface, often abbreviated as MS, represents a thin, artificially crafted surface consisting of an assembly of subwavelength structures that interact with light in distinct manners. Typically,smaller than the wavelength of the light they engage with, these structures empower precise management of light properties such as polarization, phase, and amplitude.

关键词： precise abbreviated 光子学

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Polarization-Insensitive Hybrid Plasmonic Waveguide Design for Evanescent Field Absorption Gas Sensor

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Photonic Sensors 2021年第3期11卷 279-290页

作者： Nikolay Lvovich Kazanskiy svetlana Nikolaevna khonina Muhammad Ali Butt Department of Technical Cybernetics Samara National Research UniversityMoskovskoye Shosse 34Samara443086Russia Institute of RAS-Branch of the FSRC“Crystallography and Photonics”RAS Molodogvardeiskaya 151Samara443001Russia Institute of Microelectronics and Optoelectronics Warsaw University of TechnologyKoszykowa 75Warszawa00-662Poland

We propose a polarization-insensitive design of a hybrid plasmonic waveguide(HPWG)optimized at the 3.392µm wavelength which corresponds to the absorption line of methane *** waveguide design is capable of providing high mode sensitivity(Smode)and evanescent field ratio(EFR)for both transverse electric(TE)and transverse magnetic(TM)hybrid *** modal analysis of the waveguide is performed via 2-dimension(2D)and 3-dimension(3D)finite element methods(FEMs).At optimized waveguide parameters,Smode and EFR of 0.94 and 0.704,can be obtained for the TE hybrid mode,respectively,whereas the TM hybrid mode can offer Smode and EFR of 0.86 and 0.67,*** TE and TM hybrid modes power dissipation of~3 dB can be obtained for a 20-µm-long hybrid plasmonic waveguide at the 60%gas *** believe that the highly sensitive waveguide scheme proposed in this work overcomes the limitation of the polarization controlled light and can be utilized in gas sensing applications.

关键词： Hybrid plasmonic waveguide finite element method methane gas evanescent field absorption gas sensor polarization-insensitive

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Highly Sensitive Refractive Index Sensor Based on Plasmonic Bow Tie Configuration

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Photonic Sensors 2020年第3期10卷 223-232页

作者： Muhammad Ali BUTT Nikolay Lvovich KAZANSKIY svetlana Nikolaevna khonina Department of Technical Cybernetic Samara National Research UniversitySamara 443086Russia Institute of RAS-Branch of the FSRC“Crystallography and Photonics” RAS151 MolodogvardeiskayaSamara 443001Russia

We propose a highly refractive index sensor based on plasmonic Bow Tie *** sensitivity of the resonator design is enhanced by incorporating a nanowall(NW)in a modified Bow Tie design where sharp tips of V-junction are *** approach provides high confinement of electric field distribution of surface plasmon polariton(SPP)mode in the narrow region of the ***,the effective refractive index(neff)of the mode increases and is highly responsive to the ambient *** sensitivity analysis of the SPP mode is calculated for six resonator *** results suggest that the NW embedded cavity offers the highest mode sensitivity due to the large shift of effective index when exposed to a slight change in the medium refractive ***,the device sensitivity of the proposed design is approximated at 2300 nm/RIU which is much higher than the sensitivity of the standard Bow Tie configuration.

关键词： Bow Tie configuration plasmonic sensor metal-insulator-metal waveguide refractive index sensor

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Optical multiplexing techniques and their marriage for on-chip and optical fiber communication:a review

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Opto-Electronic Advances 2022年第8期5卷 50-74页

作者： svetlana Nikolaevna khonina Nikolay Lvovich Kazanskiy Muhammad Ali Butt Sergei Vladimirovich Karpeev IPSI RAS-Branch of the FSRC"Crystallography and Photonics"RAS Samara 443001Russia Samara National Research University Samara 443086Russia Warsaw University of Technology Institute of Microelectronics and OptoelectronicsKoszykowa 75Warszawa 00-662Poland

Herein,an attention-grabbing and up-to-date review related to major multiplexing techniques is presented which in-cludes wavelength division multiplexing(WDM),polarization division multiplexing(PDM),space division multiplexing(SDM),mode division multiplexing(MDM)and orbital angular momentum multiplexing(OAMM).Multiplexing is a mech-anism by which multiple signals are combined into a shared channel used to showcase the maximum capacity of the op-tical ***,it is critical to develop hybrid multiplexing methods to allow enhanced channel *** this re-view,we have also included hybrid multiplexing techniques such as WDM-PDM,WDM-MDM and *** is prob-able to attain N×M channels by utilizing N wavelengths and M guided-modes by simply utilizing hybrid WDM-MDM(de)*** the best of our knowledge,this review paper is one of its kind which has highlighted the most prom-inent and recent signs of progress in multiplexing techniques in one place.

关键词： wavelength division multiplexing mode division multiplexing polarization division multiplexing space-division multiplexing and hybrid multiplexing

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Vectorial spin-orbital Hall effect of light upon tight focusing and its experimental observation in azopolymer films

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Opto-Electronic Science 2023年第7期2卷 12-30页

作者： Alexey Porfirev svetlana khonina Andrey Ustinov Nikolay Ivliev Ilya Golub Image Processing Systems Institute of RAS—Branch of the FSRC"Crystallography and Photonics"RAS Samara 443001Russia School of Advanced Technology Algonquin CollegeOttawaOntario K2G 1V8Canada

Hall effect of light is a result of symmetry breaking in spin and/or orbital angular momentum(OAM)possessing optical system and is caused by *** index gradient/interface between media or focusing of a spatially asymmetrical beam,similar to the electric field breaking the symmetry in spin Hall effect for *** angular momentum(AM)conservation law in the ensuing asymmetric system dictates redistribution of spin and orbital angular momentum,and is manifested in spin-orbit,orbit-orbit,and orbit-spin conversions and reorganization,***-orbit and orbit-orbit *** AM restructuring in turn requires shifts of the barycenter of the electric field of *** the present study we show,both analytically and by numerical simulation,how different electric field components are displaced upon tight focusing of an asymmetric light beam having OAM and *** relation between field components shifts and the AM components shifts/redistribution is presented ***,we experimentally demonstrate,for the first time,to the best of our knowledge,the spin-orbit Hall effect of light upon tight focusing in free *** is achieved using azopolymers as a media detecting longitudinal or z component of the electrical field of *** findings elucidate the Hall effect of light and may broaden the spectrum of its applications.

关键词： spin-orbital Hall effect of light symmetry breaking spin-orbit interaction azopolymers optical vortex polarization

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