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675 results on '"Pilipetskii, A."'

3. THE BIOGRAPHY OF M. CEBOTARI IN MONOGRAPHIC STUDIES

Author

PILIPETSKII SERGHEI

Subjects
maria cebotari, singer, film actress, biography, monographic research, Arts in general, NX1-820
Abstract

The article contains information about the monographic studies, which investigate the biography of the outstanding singer and film actress of the first half of the 20th century - Maria Cebotari. This subject constituted a field of research both for the authors of monographs contemporary to the prima donna and those of our days - representatives of different countries and specializations. In this context, the most important of their works (books, brochures, articles), which have scientific value are described and analyzed. Although M. Cebotari`s biography is widely presented, it can be supplemented with new investigations, thanks to the immense artistic heritage of the diva

Published
2022

4. THE ART OF MARIA CEBOTARI IN THE INTERPRETATION OF THE VOCALSYMPHONIC WORKS OF THE VIENNESE CLASSICS

Author

PILIPETSKII, SERGHEI

Subjects
maria cebotari, viennese classics, oratorio, requiem, vocal symphony, Arts in general, NX1-820
Abstract

The article contains information about the achievements of M. Cebotari in the interpretation of the vocal-symphonic works of the composers of the Viennese classical era: J. Haydn, W.A. Mozart and L. van Beethoven Unique, little-known materials about the singer’s participation in numerous concerts in Vienna and other cities of Austria, where their compositions were performed are collected and analyzed. Of great interest for the study are the critical materials published in the newspapers of that time, which are the main source of information on the subject. Additionally, the dates, places and participants of the concerts are indicated.

Published
2022

23. 9 Tb/s Transmission Using 29 mW Optical Pump Power Per EDFA With 1.24 Tb/s/W Optical Power Efficiency Over 15,050 km

Author

Yue Hu, Oleg V. Sinkin, Jin-Xing Cai, Alexei N. Pilipetskii, Maxim Bolshtyansky, Govind Vedala, and Dmitri Foursa

Subjects
Optical amplifier, Optical pumping, Materials science, Transmission (telecommunications), business.industry, Optoelectronics, Optical power, business, Atomic and Molecular Physics, and Optics, Power (physics)
Published
2022
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43. Design, Acceptance and Capacity of Subsea Open Cables

Author

Pascal Pecci, Elizabeth Rivera Hartling, Alexei N. Pilipetskii, Priyanth Mehta, Darwin Evans, Massimiliano Salsi, and Eduardo Mateo

Subjects
symbols.namesake, Nonlinear system, Signal-to-noise ratio, Computer science, Gaussian, symbols, Electronic engineering, Voltage droop, System requirements specification, Symbol rate, Signal, Atomic and Molecular Physics, and Optics, Subsea
Abstract

This article will discuss the collaboratively formed cross-industry open cables concept for characterizing optical performance of undersea cables with the intent of assessing and understanding their capacity potential. The article proposes definitions of two critical nonlinear and linear performance metrics for open cables: GSNR (Gaussian or generalized signal to noise ratio) and SNRASE (Signal to noise ratio amplified spontaneous emission), including effects such as GAWBS (guided acoustic wave Brillouin scattering) and signal droop. Measurement methodologies for these metrics are proposed, with considerations for limitations and impact of the test conditions and characteristics of the transponders used. Expanded definitions are offered to enable variable symbol rate transponders to be used for measurement, with considerations for scaling of SNR values. Considerations for using these metrics for capacity assessment and applying these techniques to concatenated multi-segment systems are introduced. Recommendations on key parameters for system specification, system characterization, and proposals for SNR-based performance budgeting tables are also discussed as foundational elements to enabling accurate estimation of the capacity potential of a subsea open cable.

Published
2021
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47. Single-Mode Fiber SDM Submarine Systems

Author

Valey Kamalov, Oleg V. Sinkin, Ljupco Jovanovski, Alexei N. Pilipetskii, Mattia Cantono, Maxim Bolshtyansky, Yue Hu, Vijay Vusirikala, Milen Paskov, and G. Mohs

Subjects
Optimal design, Repeater, Transmission (telecommunications), Computer science, Electronic engineering, Single-mode optical fiber, Submarine, Spectral efficiency, Electrical efficiency, Multiplexing, Atomic and Molecular Physics, and Optics
Abstract

We consider both physical and economic aspects of submarine transmission to identify optimal designs of submarine space division multiplexed (SDM) systems. We focus on single mode-based SDM systems as the first practical step for implementation of high capacity, low cost-per-unit-capacity systems based on SDM principles. We review power efficiency models in EDFA-based long-haul systems and show existence of optimum SNR. We demonstrate relationship between the power efficiency and cost-per-unit-capacity optimizations for submarine links. We also describe a detailed model that combines physical and economic aspects of the submarine links. The model uses “least amount of technological change” approach based on the existing components and simple scaling rules for repeater and cable designs. The model results suggest that 32-fiber SDM systems are a practical spot for near-future systems close to cost-per-unit-capacity limit of the wet-plant. Further increase of the number of fibers in a cable has diminishing returns for current technologies and cost structure. We also discuss requirements for transponders in terms of spectral efficiency and nonlinearity compensation.

Published
2020
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48. 9 Tb/s Transmission using 29 mW Optical Pump Power per EDFA with 1.24 Tb/s/W Power Efficiency over 15,050 km

Author

Yue Hu, A.N. Pilipetskii, M. Mazurczyk, Jin-Xing Cai, D. G. Foursa, G. Vedala, Oleg V. Sinkin, and Maxim Bolshtyansky

Subjects
Optical amplifier, Optical pumping, Physics, Optics, Transmission (telecommunications), Modulation, business.industry, Ranging, Spectral efficiency, Polarization-division multiplexing, business, Electrical efficiency
Abstract

We transmit 143x32.6 GBd 8D-QPSK signal over 15,050 km with EDFAs consuming 29 mW of 980 nm-pump power. We experimentally achieve record power efficiencies from 6.5 to 1.24 Tb/s/W for transmission distances ranging from 6,020 to 15,050 km respectively.

Published
2021
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