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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2019, Volume 45, Issue 5, Pages 3–5
DOI: https://doi.org/10.21883/PJTF.2019.05.47386.17627 (Mi pjtf5505) 		 
This article is cited in 6 scientific papers (total in 6 papers)

Photorefractive correction of the coupling ratio of an integrated optical directional $X$-coupler on a lithium niobate substrate

M. V. Parfenovab, A. V. Tronevac, I. V. Il'icheva, P. M. Agruzova, A. V. Shamraya

a Ioffe Institute, St. Petersburg
b Peter the Great St. Petersburg Polytechnic University
c St. Petersburg National Research University of Information Technologies, Mechanics and Optics
Full-text PDF (120 kB) Citations (6)
DOI: https://doi.org/10.21883/PJTF.2019.05.47386.17627
Abstract: The possibility of correcting the power coupling ratio of an integrated optical directional $X$-coupler upon excitation of a local photorefractive response in the substrate material (LiNbO$_3$) has been analyzed. The $X$-coupler operation has been numerically simulated, and the regions of its maximum sensitivity to photorefraction have been determined. The correspondence between the calculated and experimental data has been obtained. The maximum correction value of the coupling ratio is 1–2%. The photorefractive correction of the coupling ratio has been used to increase the extinction ratio of a Mach–Zehnder modulator to 47 dB.
Funding agency Grant number
Russian Foundation for Basic Research 18-07-01174
Received: 05.12.2018
Revised: 05.12.2018
Accepted: 06.12.2018
English version:
Technical Physics Letters, 2019, Volume 45, Issue 3, Pages 187–189
DOI: https://doi.org/10.1134/S1063785019030131
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. V. Parfenov, A. V. Tronev, I. V. Il'ichev, P. M. Agruzov, A. V. Shamray, “Photorefractive correction of the coupling ratio of an integrated optical directional $X$-coupler on a lithium niobate substrate”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 45:5 (2019), 3–5; Tech. Phys. Lett., 45:3 (2019), 187–189
Citation in format AMSBIB
\Bibitem{ParTroIli19}
\by M.~V.~Parfenov, A.~V.~Tronev, I.~V.~Il'ichev, P.~M.~Agruzov, A.~V.~Shamray
\paper Photorefractive correction of the coupling ratio of an integrated optical directional $X$-coupler on a lithium niobate substrate
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2019
\vol 45
\issue 5
\pages 3--5
\mathnet{http://mi.mathnet.ru/pjtf5505}
\crossref{https://doi.org/10.21883/PJTF.2019.05.47386.17627}
\elib{https://elibrary.ru/item.asp?id=37481337}
\transl
\jour Tech. Phys. Lett.
\yr 2019
\vol 45
\issue 3
\pages 187--189
\crossref{https://doi.org/10.1134/S1063785019030131}
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    • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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