Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Andrei Tsarev"'
Autor:
Andrei Tsarev
Publikováno v:
Sensors, Vol 23, Iss 9, p 4327 (2023)
This new sensor design provides good volume sensitivity (around 1600 nm/RIU) via collinear diffraction by the asymmetric grating placed in the waveguide vicinity. It provides the mode transformation between the fundamental TE0 and the first TE1 modes
Externí odkaz:
https://doaj.org/article/e28ed7f6b2404446bd4a356d03a81460
Autor:
Maria Sudakova, Marat Sadurtdinov, Andrei Skvortsov, Andrei Tsarev, Galina Malkova, Nadezda Molokitina, Vladimir Romanovsky
Publikováno v:
Remote Sensing, Vol 13, Iss 16, p 3271 (2021)
This paper describes the results of ground penetrating radar (GPR) research combined with geocryological data collected from the Circumpolar Active Layer Monitoring (CALM) testing sites in Kashin and Kumzha in August 2015, 2016, and 2017. The study a
Externí odkaz:
https://doaj.org/article/c7732992cb7c40e3a5066d328e72974b
Autor:
Andrei Tsarev
Publikováno v:
Sensors, Vol 21, Iss 16, p 5492 (2021)
Analysis of trends in the development of silicon photonics shows the high efficiency regarding the creation of optical sensors. The concept of bimodal sensors, which suggests moving away from the usual paradigm based only on single-mode waveguides an
Externí odkaz:
https://doaj.org/article/c87c46fb4f0444ca9569cb8f4fccd8f5
Autor:
Andrei Tsarev, Vittorio M. N. Passaro
Publikováno v:
Sensors, Vol 20, Iss 18, p 5306 (2020)
This paper presents results of numerical modeling of a modified design of an optical sensor based on segmented periodic silicon oxynitride (SiON) grating evanescently coupled with silicon wire. This segmented grating works as a leaky waveguide, which
Externí odkaz:
https://doaj.org/article/1b1e1bf06c77476c849a7ef7f1b2ec06
Publikováno v:
Sensors, Vol 18, Iss 6, p 1707 (2018)
This paper discusses the physical nature and the numerical modeling of a novel approach of periodic structures for applications as photonic sensors. The sensing is based on the high sensitivity to the cover index change of the notch wavelength. This
Externí odkaz:
https://doaj.org/article/4a442a254e6545798caa8843842441b0
Autor:
Marat Sadurtdinov, Maria Sudakova, Andrei Skvortsov, Nadezda Molokitina, Andrei Tsarev, Vladimir E. Romanovsky, G. V. Malkova
Publikováno v:
Remote Sensing, Vol 13, Iss 3271, p 3271 (2021)
Remote Sensing
Volume 13
Issue 16
Pages: 3271
Remote Sensing
Volume 13
Issue 16
Pages: 3271
This paper describes the results of ground penetrating radar (GPR) research combined with geocryological data collected from the Circumpolar Active Layer Monitoring (CALM) testing sites in Kashin and Kumzha in August 2015, 2016, and 2017. The study a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48d67526f3fce8f7ad43c200af115c6b
https://www.mdpi.com/2072-4292/13/16/3271
https://www.mdpi.com/2072-4292/13/16/3271
Autor:
Andrei Tsarev
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 20:77-84
A new tunable optical multiplexer which utilized multiple coupled silicon wire waveguides on SOI structures is proposed and numerically studied. For the study, a modified effective index method, which utilizes the combined index profile with two spat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1f3d0e3d567185dec58a34debba29ec
https://doi.org/10.1109/jstqe.2013.2295180
https://doi.org/10.1109/jstqe.2013.2295180
Autor:
Andrei Tsarev
Publikováno v:
2012 IEEE 11th International Conference on Actual Problems of Electronics Instrument Engineering (APEIE).
Current paper introduces efficient silicon wire waveguide crossing by means of vertical coupling of tapered Si wire with upper SU-8 polymer wide strip waveguide through a silica buffer. Numerical 3D simulations by FDTD proves that optimal structure o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f47b39aa6e17a56e64b2f2c85882d80
https://doi.org/10.1109/apeie.2012.6629024
https://doi.org/10.1109/apeie.2012.6629024
Autor:
Andrei Tsarev
Publikováno v:
2012 IEEE 11th International Conference on Actual Problems of Electronics Instrument Engineering (APEIE).
The paper makes a review of different basic photonic structures which built the fundamentals of multi-reflector filtering technology aimed to develop optical tunable devices with multi-hundreds reconfigurable wavelength channels. It presents recent r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce5a2e765dff7e105b28b5754c2fcda8
https://doi.org/10.1109/apeie.2012.6629020
https://doi.org/10.1109/apeie.2012.6629020
Autor:
Andrei Tsarev
Publikováno v:
2012 IEEE 11th International Conference on Actual Problems of Electronics Instrument Engineering (APEIE).
This paper proposes and makes numerical investigation of new tunable optical filter which utilized multiple coupled silicon wire waveguides on SOI structures. Numerical simulation by 2D FDTD proves its general conception and demonstrates that a short
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43d87aecd30a9abec8be0c48fa31c7fa
https://doi.org/10.1109/apeie.2012.6629023
https://doi.org/10.1109/apeie.2012.6629023