Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Mikhail Parfenov"'
Autor:
Peter Agruzov, Mikhail Parfenov, Igor Ilichev, Andrei Varlamov, Aleksandr Tronev, Aleksandr Shamrai
Publikováno v:
Photonics, Vol 11, Iss 1, p 48 (2024)
The influence of an operating point on the linearity of an integrated optical lithium niobate directional coupler modulator was studied. It was found that the optimal setting for the position of an operating point for suppressing the third-order inte
Externí odkaz:
https://doaj.org/article/2118ef4461d149e5b2c8c24c0ac5942c
Autor:
Mikhail Parfenov, Petr Agruzov, Aleksandr Tronev, Igor Ilichev, Anna Usikova, Yurii Zadiranov, Aleksandr Shamrai
Publikováno v:
Nanomaterials, Vol 13, Iss 20, p 2755 (2023)
An approach for filtering the fundamental mode in an integrated optical modulator with multimode waveguides based on etched thin lithium niobate nanofilms is presented. It is shown that metal electrodes can be used as a modal filter to suppress high-
Externí odkaz:
https://doaj.org/article/abc698de6db24d1ba19c54f6b2d38033
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 6, Pp 1-7 (2021)
A configuration of integrated optical superconducting single photon detectors on lithium niobate substrates based on conventional titanium in-diffused waveguides with hybrid waveguide structures for enhancing the detector efficiency is proposed and a
Externí odkaz:
https://doaj.org/article/9623319ec53d4f1ebe8dfc5db0d3ed20
Autor:
Andrei Varlamov, Peter Agruzov, Mikhail Parfenov, Aleksandr Tronev, Igor Ilichev, Anna Usikova, Aleksandr Shamrai
Publikováno v:
Photonics, Vol 10, Iss 1, p 17 (2022)
Efficient simultaneous transmission of light with a power of more than 2 W at a wavelength of 976 nm and an optical carrier for transmitting a high-frequency analog signal at a wavelength of 1550 nm over a distance of 1 km over a standard single-mode
Externí odkaz:
https://doaj.org/article/29fd350c3c224b6ba379580e6bec9979
Autor:
Peter Agruzov, Mikhail Parfenov, Aleksandr Tronev, Andrei Varlamov, Igor Ilichev, Anna Usikova, Aleksandr Shamrai
Publikováno v:
Electronics. 12:206
A system for integrated optical LiNbO3 Mach–Zehnder modulator operating point remote control and stabilization was developed. It consisted of a conventional telecom photodiode and a passive electronic circuit at the bias input of the modulator. Lig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b24ce4e1d48c8000407c5730584c9f9
https://doi.org/10.3390/electronics12010206
https://doi.org/10.3390/electronics12010206
Direct Laser Modification of Thin Titanium Film for Fine-tuning of Photonic Lithium Niobate Circuits
Autor:
S. I. Bozhko, Andrey M. Ionov, Aleksandr Shamrai, Mikhail Parfenov, A. V. Tronev, N.N. Orlova, P. Agruzov, Igor Ilichev
Publikováno v:
2020 International Conference Laser Optics (ICLO).
A method for precise optical loss adjustment by laser modification of a thin titanium film on the surface of lithium niobate optical waveguides was developed. Precise balancing of Mach-Zehnder modulator was demonstrated and an increase of the extinct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fde666434506359e96a16cf4324369f
https://doi.org/10.1109/iclo48556.2020.9285720
https://doi.org/10.1109/iclo48556.2020.9285720
Autor:
S. I. Bozhko, Aleksandr Shamrai, Andrey M. Ionov, P. Agruzov, A. V. Tronev, Igor Ilichev, A. I. Klimov, Mikhail Parfenov
Publikováno v:
2020 International Conference Laser Optics (ICLO).
Superconducting nanowire single-photon detector on the lithium niobate substrate was demonstrated in integrated optical configuration. New waveguides configurations for improvement of quantum efficiency are discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23df6ca160e1b2f77a706c85bae30813
https://doi.org/10.1109/iclo48556.2020.9285621
https://doi.org/10.1109/iclo48556.2020.9285621
Publikováno v:
Applied Physics B. 126
A method for precise adjustment of the power splitting ratio for integrated optical splitters fabricated on lithium niobate substrates is proposed. The method is based on a local refractive index change caused by the photorefractive effect under exte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::132d4a176c35e80b54b4cf15e5d9a9a7
https://doi.org/10.1007/s00340-020-07440-5
https://doi.org/10.1007/s00340-020-07440-5
Autor:
Vladimir V. Lebedev, A. V. Tronev, Peter Agruzov, Mikhail Parfenov, Aleksandr Shamrai, Igor Ilichev, Aleksei Petrov
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783030657284
NEW2AN/ruSMART (2)
NEW2AN/ruSMART (2)
Two different approaches for dynamic range improvement of broad band analog fiber optic link were considered. They are based on the special lithium niobate modulators which was stabilized in specific working points. The first approach is the laser in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d85ea0d814a3b95b73c9062ae96d0e3b
https://doi.org/10.1007/978-3-030-65729-1_31
https://doi.org/10.1007/978-3-030-65729-1_31
Autor:
Andrey M. Ionov, Aleksandr Shamrai, Mikhail Parfenov, Peter Agruzov, Igor Ilichev, Nikita A. Solomonov, A. V. Tronev, S.I. Bozhko
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783030657284
NEW2AN/ruSMART (2)
NEW2AN/ruSMART (2)
Laser modification of thin titanium film for precise loss control in lithium niobate optical waveguides was demonstrated. A simple ray model was used for analysis of optical losses induced by interaction of two orthogonal polarization modes of a Ti-i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::998c2535717c524609b128d8cd6644bf
https://doi.org/10.1007/978-3-030-65729-1_35
https://doi.org/10.1007/978-3-030-65729-1_35