=Paper=
{{Paper
|id=Vol-1638/Paper106
|storemode=property
|title=On the 50th birthday of Pavel G. Serafimovich
|pdfUrl=https://ceur-ws.org/Vol-1638/Paper106.pdf
|volume=Vol-1638
|authors=Eduard I. Kolomiets
}}
==On the 50th birthday of Pavel G. Serafimovich ==
https://ceur-ws.org/Vol-1638/Paper106.pdf
Data Science
ON THE 50TH BIRTHDAY OF PAVEL G.
SERAFIMOVICH
E.I. Kolomiets
Samara National Research University, Samara, Russia
Abstract. The article briefly describes the scientific and pedagogical
achievements of associate professor, candidate of physical and mathematical
sciences Pavel Grigorievich Serafimovich.
Keywords: candidate of physical and mathematical sciences, cloud computing,
video streams analysis, high-performance computing, diffractive optics, photon-
ic crystals, nanoresonators, nanophotonics.
Citation: Kolomiets E.I. On the 50th Birthday of Pavel G. Serafimovich.
CEUR Workshop Proceedings, 2016; 1638: 888-894. DOI: 10.18287/1613-
0073-2016-1638-888-894
Introduction
On January 21, 2016 candidate of physical and mathematical sciences, senior re-
searcher of the Image Processing Systems Institute of the Russian Academy of Sci-
ence, and concurrently associate professor of technical cybernetics department of
Samara National Research University Pavel Grigorievich Seraphimovich celebrated
his fiftieth anniversary. The article briefly describes the scientific and pedagogical
achievements of P.G. Serafimovich.
IPSI RAS
In 1989 P.G. Serafimovich graduated from the faculty of systems engineering of
Kuibyshev Aviation Institute (now Samara National Research University) in applied
mathematics specialty. After graduation he started working as an engineer-
programmer at the Samara branch of the Central Design Bureau of Unique Instrumen-
tation of the USSR Academy of Sciences, which in 1993 was transformed into Image
Processing Systems Institute (IPSI RAS) [1-2]. Since 1993 P.G. Serafimovich has
been a junior researcher, since 1994 - a researcher, and since 2002 - a senior research-
er of IPSI RAS.
In 1997 he defended his candidate thesis “Analysis of iterative methods for compu-
ting phase functions of diffractive optical elements”, under the guidance of professor
V.V. Kotlyar. In 2016 P.G. Serafimovich submitted to protection his doctoral thesis
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Data Science Kolomiets E.I. On the 50th Birthday of…
“Computation and modeling of photonic-crystal coupled-resonator optical wave-
guides”, on the specialty 01.04.05 “Optics”. Currently P.G. Serafimovich has got 35
Scopus publications, his Hirsch index is 7.
Fig. 1. Pavel Grigorievich Serafimovich
Samara University
P.G. Serafimovich combines scientific activity with teaching work. Since September,
1995 P.G. Serafimovich has been working part-time at the department of technical
cybernetics of Samara University as an associate professor. P.G. Serafimovich reads
lectures on courses “Software of Multiprocessor Computer Systems” and “Grid Tech-
nologies and Cloud Computing”, he conducts practical and laboratory classes in these
courses for students studying in the areas of applied mathematics and computer sci-
ence and of applied mathematics and physics. He also supervises research work of
bachelors and masters. Since that time he has prepared a textbook [3].
Main scientific results
The first scientific results were obtained by P.G. Serafimovich under the guidance of
professor V.V. Kotlyar and were focused on iterative methods for calculating diffrac-
tive optical elements (DOEs) [4-14]. The developed methods allow to increase the
energy efficiency of DOE, at the same time improving the quality of their work. For
example, for focusators the methods allow to reduce the mean square deviation of the
intensity distribution obtained from the required one. In subsequent years P.G. Ser-
afimovich used the obtained foundation for creating methods of investigating a varie-
ty of DOEs in the framework of asymptotic methods and computational experiment
[15-20].
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Data Science Kolomiets E.I. On the 50th Birthday of…
At the same time P.G. Serafimovich pays great attention to development of software
[21-32]. He is involved in creating software products designed to calculate elements
of computer optics [21-22], for modeling diffractive nanophotonic devices [25, 26,
31]. At the same time he makes extensive use of the opportunities offered by cloud
technologies [25, 26, 31], high-performance and parallel computing technologies [23-
24]. In these articles he proposed a parallel algorithm for calculating nanophotonic
elements that implements the method of Fourier modes. He transformed the computa-
tionally intensive algorithm into an intensive algorithm for data processing. The use
of the proposed approach on clusters built on the MapReduce technology allows to
make efficient use of the intermediate data larger than 1 TB and to increase signifi-
cantly the average time between failures of computing cluster nodes (Mean-Time-
Between-Failures (MTBF)).
I would also like to highlight the results he gained in the field of intellectual analysis
of video streams [28, 29, 32] and in development of methods for classifying hyper-
spectral images [27, 30].
From 2002 to 2006 Serafimovich worked in South Korea at the Samsung Advanced
Institute of Technology. In this institute he took part in development of several illu-
minating and laser systems [33, 34], which were patented in the USA [35, 36].
The resulting scientific basis allowed him to start preparing his doctoral thesis. As
part of these studies he received a number of interesting results, which are widely
published and patented [37-57].
1. He proposed, computed, and numerically investigated a compact integrated on-
chip nanophotonic element for integration of optical signals [46, 48, 49, 54]. The
novelty is that for integration of various orders of optical signals he proposed to
use a photonic crystal (PC) nanobeam cavity. This allows to increase compactness
of the device dozens of times in comparison with existing analogues. As compared,
for example, with ring resonators, large size of the free spectral band (210 nm) al-
lowed integrating the impulses with width in the range of 150-200 femtoseconds at
a wavelength of 1.55 microns with a mean square error of less than 10%.
2. He proposed, computed, and numerically investigated a compact integrated on-
chip nanophotonic element for differentiation of optical signals [42, 44]. The nov-
elty consists in the fact that he suggested to use a FC nanobeam cavity for optical
signals differentiation. The dimensions of the proposed differentiator are ~ 6,0 ×
0,5 × 0,2 microns for a wavelength of 1.55 microns. These dimensions are an order
less than the existing analogues.
3. He offered, computed, and numerically investigated a compact FC nanobeam cavi-
ty having a quality factor above 105. The novelty is the use of two-components
resonator structure [40, 51], which allows for the first time to implement a vertical
electronic pumping of the resonator.
4. He proposed, computed, and numerically investigated intersecting FC nanobeam
cavity with increased mode overlap coefficient [41, 57]. The novelty consists in us-
ing a slit resonance chamber, allowing to increase tens of times the energy density
of the electromagnetic field in overlapping area of resonance modes.
5. He proposed, computed, and numerically explored a compact optical modulator
based on a cascade of two FC resonators [53, 56]. The novelty consists in the abil-
ity to scale both the amount of pumping energy and the magnitude of spectral shift
of the resonance mode. New is also that the proposed modulator allows to imple-
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Data Science Kolomiets E.I. On the 50th Birthday of…
ment modulation in the field of small (less than 10% of peak value) intensity of the
resonance mode.
6. He proposed, calculated, and numerically explored a compact optical sensor based
on a cascade of two FC resonators [52, 55]. The novelty is the possibility of in-
creasing twice the quality factor of the optical resonance system, thus increasing
the sensitivity of the optical sensor.
Conclusion
In conclusion we would like to wish P.G. Serafimovich to have talented students who
would continue and expand his scientific research, and successful defense of his doc-
toral dissertation!
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two-component photonic crystal cavities. Pattern Recognition and Image Analysis, 2015;
25(3): 526-531. DOI: 10.1134/S1054661815030219.
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increasing of sensor sensitivity. Computer Optics, 2015; 39(2): 158-162. DOI:
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puter Optics, 2015; 39(2): 147-151.
54. Serafimovich PG. Use of coupled photonic crystal nanobeam cavities for temporal integra-
tion of optical signals. Proceedings of SPIE, 2015; 9533: 95330N. DOI:
10.1117/12.2180560.
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Cavities for Increase in Sensitivity of Optical Sensor. Optical Memory and Neural Net-
works (Information Optics), 2016; 25(1): 25-31. DOI: 10.3103/S1060992X16010033.
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cavities. Journal of Modern Optics, 2016; 63(13): 1233-1238. DOI:
10.1080/09500340.2015.1135258.
57. Serafimovich PG, Stepikhova MV, Kazanskiy NL, Gusev SA, Egorov AV, Skorokhodov
EV, Krasilnik ZF. On a silicon-based photonic-crystal cavity for the near-IR region: nu-
merical simulation and formation technology. Semiconductors, 2016; 50(8): 1112-1116.
Information Technology and Nanotechnology (ITNT-2016) 894