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Chirkin, A. S.
General formula for the natural width of optical parametric oscillator spectral lines / A. S. Chirkin // Laser Phys. Lett. - 2020. - Vol. 17, Is. 11. - Ст. 115401, DOI 10.1088/1612-202X/abb6e6. - Cited References: 21 . - ISSN 1612-2011. - ISSN 1612-202X

РУБ Optics + Physics, Applied
Рубрики:
QUANTUM-FLUCTUATIONS
   PHASE MEASUREMENTS
   STATES
   NOISE
Кл.слова (ненормированные):
optical parametric oscillator -- phase fluctuation -- frequency deviation operator -- natural spectrum width
Аннотация: A new approach to the quantum analysis of the spectral linewidths of optical parametric oscillators (OPOs) is proposed. The approach is based on introducing a Hermitian frequency deviation operator. The spectral linewidths in the triply resonant OPO above-threshold regime have been calculated. It has been found that the width of the generated spectral line depends on the loss at all interacting frequencies, the photon number of frequency under study, and the threshold photon number of pump. The formula obtained for the spectral width is general; in particular cases, it yields the well-known results. The developed simple approach can be applied to the quantum analysis of the spectra of various oscillatory systems, for example, the multifrequency parametric and non-linear optomechanical interactions and lasers.

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Держатели документа:
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia.
Moscow MV Lomonosov State Univ, Int Laser Ctr, Moscow 119991, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Чиркин, Анатолий С.
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Dual wavelength Talbot self-imaging using facet patterned nonlinear crystals / A. M. Vyunishev [et al.] // Opt. Lett. - 2019. - Vol. 44, Is. 15. - P. 3761-3764, DOI 10.1364/OL.44.003761. - Cited References: 19. - Russian Science Foundation (RSF) (19-12-00203). . - ISSN 0146-9592. - ISSN 1539-4794

РУБ Optics
Рубрики:
RAMAN-NATH DIFFRACTION
LITHOGRAPHY
FIELD
Аннотация: A method for functional patterning of facets of a nonlinear crystal using focused ion beam milling has been developed. The near-field diffraction on periodic gratings has been experimentally and theoretically studied. The periodicity of the structure enables Talbot self-imaging at the fundamental and second-harmonic frequencies simultaneously. Spatial interference patterns for both harmonic frequencies are individual ones, which can enable the higher-accuracy optical testing, coupling the radiation at both frequencies, and wavelength-division demultiplexing. The impact of the aperture effect on a Talbot carpet is discussed.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Int Laser Ctr, Moscow 119992, Russia.

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Myslivets, S. A.; Мысливец, Сергей Александрович; Fokin, V. A.; Фокин, В. А.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Smolyarova, T. E.; Смолярова, Татьяна Евгеньевна; Radionov, N. V.; Радионов, Никита Вячеславович; Zaitsev, A. I.; Зайцев, Александр Иванович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Russian Science Foundation (RSF) [19-12-00203]
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Multiple nonlinear Bragg diffraction of femtosecond laser pulses in a χ(2) photonic lattice with hexagonal domains / A. M. Vyunishev [et al.] // Laser Phys. Lett. - 2018. - Vol. 15, Is. 4. - Ст. 045401, DOI 10.1088/1612-202X/aaa618. - Cited References:26. - The work was supported by the Russian Foundation for Basic Research through grant 15-02-03838. ISB, ARA and VYS acknowledge the support of the Government of the Russian Federation (Act 211, Agreement 02.A03.21.0006). . - ISSN 1612-2011. - ISSN 1612-202X

РУБ Optics + Physics, Applied
Рубрики:
RAMAN-NATH DIFFRACTION
STRUCTURED FUNDAMENTAL WAVE
2ND-HARMONIC
Кл.слова (ненормированные):
nonlinear Bragg diffraction -- nonlinear photonic lattice -- second harmonic -- generation -- femtosecond pulses
Аннотация: The frequency doubling of femtosecond laser pulses in a two-dimensional (2D) rectangular nonlinear photonic lattice with hexagonal domains is studied experimentally and theoretically. The broad fundamental spectrum enables frequency conversion under nonlinear Bragg diffraction for a series of transverse orders at a fixed longitudinal quasi-phase-matching order. The consistent nonstationary theory of the frequency doubling of femtosecond laser pulses is developed using the representation based on the reciprocal lattice of the structure. The calculated spatial distribution of the second-harmonic spectral intensity agrees well with the experimental data. The condition for multiple nonlinear Bragg diffraction in a 2D nonlinear photonic lattice is offered. The hexagonal shape of the domains contributes to multibeam second harmonic excitation. The maximum conversion efficiency for a series of transverse orders in the range 0.01%-0.03% is obtained.

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Держатели документа:
Kirensky Inst Phys, Fed Res Ctr KSC SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660079, Russia.
Ural Fed Univ, Sch Nat Sci & Math, Ekaterinburg 620000, Russia.
Labfer Ltd, Ekaterinburg 620014, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Int Laser Ctr, Moscow 119992, Russia.

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Ya; Chirkin, A. S.; Russian Foundation for Basic Research [15-02-03838]; Government of the Russian Federation (Act 211) [02.A03.21.0006]
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Nonlinear Raman-Nath diffraction of femtosecond laser pulses in a 2D nonlinear photonic crystal / A. M. Vyunishev [et al.] // Opt. Lett. - 2015. - Vol. 40, Is. 17. - P. 4002-4005, DOI 10.1364/OL.40.004002. - Cited References:27. - Council of the President of the Russian Federation (MK-2908.2015.2); Ministry of Education and Science of the Russian Federation (2014/7, UID RFMEFI59414X0011); Russian Foundation for Basic Research (RFBR) (13-02-01391-a, 14-02-01160-a, 15-02-03838). . - ISSN 0146. - ISSN 1539-4794. -

РУБ Optics
Рубрики:
POLED LITHIUM-NIOBATE
2ND-HARMONIC GENERATION
BEAMS
Аннотация: We study second-harmonic generation (SHG) of femtosecond laser pulses in a rectangular two-dimensional nonlinear photonic crystal (NLPC). Multiple SH beams were observed in the vicinity of the propagation direction of the fundamental beam. It has been verified that the angular positions of these beams obey the conditions of nonlinear Raman-Nath diffraction (NRND). The measured SH spectra of specific NRND orders consist of narrow peaks that experience a high-frequency spectral shift as the order grows. We derive an analytical expression for the process studied and find the theoretical results to be in good agreement with the experimental data. We estimate the enhancement factor of nonlinear Raman-Nath diffraction in 2D NLPC to be 70. (C) 2015 Optical Society of America

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Ural Fed Univ, Ekaterinburg 620000, Russia.
Labfer Ltd, Ekaterinburg 620014, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Slabko, V. V.; Слабко, Виталий Васильевич; Baturin, I. S.; Akhmatkhanov, A. R.; Shur, V. Ya.; Chirkin, A. S.; Council of the President of the Russian Federation [MK-2908.2015.2]; Ministry of Education and Science of the Russian Federation [2014/7, UID RFMEFI59414X0011]; Russian Foundation for Basic Research (RFBR) [13-02-01391-a, 14-02-01160-a, 15-02-03838]
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    Vyunishev, A. M.
    Frequency doubling in periodic nonlinear photonic crystals mediated by random layers / A. M. Vyunishev, A. S. Chirkin // Opt. Lett. - 2017. - Vol. 42, Is. 6. - P. 1189-1192, DOI 10.1364/OL.42.001189. - Cited References: 26. - Council of the President of the Russian Federation (MK-2908.2015.2); Russian Foundation for Basic Research (RFBR) (15-02-03838). The authors thank I. S. Baturin for fruitful discussions and D. P. Agapov for help. . - ISSN 0146-9592
   Перевод заглавия: Удвоение частоты в периодических нелинейных фотонных кристаллах разделенных случайными слоями
Кл.слова (ненормированные):
Conversion efficiency -- Crystal structure -- Efficiency -- Photonic crystals -- Ferroelectric crystal -- Frequency-doubling -- Intensity oscillations -- Intermediate layers -- Nonlinear photonic crystals -- Periodically poled structures -- Second harmonics -- Statistical frequency -- Frequency doublers
Аннотация: We study the frequency doubling in a quadratic nonlinear photonic crystal consisting of periodically poled structures mediated by uniform layers with random lengths. These structures can be formed by new local impact methods for ferroelectric crystal structuring. The statistical frequency doubling theory is developed for such structures. The effect of the number of random layers and variation in their thicknesses on the second-harmonic conversion efficiency is clarified. It is demonstrated that a proper choice of the intermediate layer thickness can enhance or suppress the conversion efficiency. A new type of the Makerfringes-like second-harmonic intensity oscillations is predicted. © 2017 Optical Society of America.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk, Russian Federation
Faculty of Physics and International Laser Center, M. V. Lomonosov Moscow State University, Moscow, Russian Federation

Доп.точки доступа:
Chirkin, A. S.; Вьюнышев, Андрей Михайлович
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    Vyunishev, A. M.
    Frequency doubling of femtosecond laser pulses in three dimensional nonlinear photonic crystals / A. M. Vyunishev, V. G. Arkhipkin, A. S. Chirkin // Laser Phys. Lett. - 2023. - Vol. 20, Is. 3. - Ст. 035402, DOI 10.1088/1612-202X/acb7f5. - Cited References: 20. - This work was supported by the Russian Science Foundation (Grant # 19-12-00203). The authors thank N Davletshin for graphical illustration of NPC . - ISSN 1612-2011. - ISSN 1612-202X
   Перевод заглавия: Удвоение частоты фемтосекундных лазерных импульсов в трехмерных нелинейных фотонных кристаллах
Кл.слова (ненормированные):
second harmonic generation -- nonlinear photonic crystals -- femtosecond laser pulses -- nonlinear diffraction
Аннотация: Quasi-phase matched nonlinear frequency conversion in three dimensional nonlinear photonic crystals (NPCs) has been considered for implementation of the second harmonic generation of transform-limited and chirped femtosecond laser pulses. Spatial distribution of the second harmonic intensity is shown to be caused by Cherenkov- and Raman–Nath-type nonlinear diffraction. These types of nonlinear diffraction may occur simultaneously resulting in an efficient multi-order nonlinear diffraction in the Bragg regime, which can be realized by a proper choice of the modulation period of NPC structure in longitudinal direction for considered transverse diffraction order. Three dimensional NPCs open up new possibilities for ultrafast nonlinear photonics and parametric interactions in optics.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk 660079, Russia
M.V. Lomonosov Moscow State University, Moscow 660079, Russia

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Чиркин, А. С.; Вьюнышев, Андрей Михайлович
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Vyunishev, A. M.
Multiple quasi-phase-matching in nonlinear Raman-Nath diffraction / A. M. Vyunishev, A. S. Chirkin // Opt. Lett. - 2015. - Vol. 40, Is. 7. - P. 1314-1317, DOI 10.1364/OL.40.001314. - Cited References:18. - The work was partially supported by the Grant of the President of the Russian Federation MK-2908.2015.2 and by RFBR Grant No. 15-02-03838. . - ISSN 0146. - ISSN 1539-4794. -

РУБ Optics
Рубрики:
Femtosecond laser-pulses
2nd-harmonic generation
Photonic crystal
Аннотация: The method of the superposition of a nonlinearity modulation is employed to design a two-dimensional (2D) nonlinear photonic lattice for efficient multiple quasi-phase-matched second harmonic generation in the process of nonlinear Raman-Nath diffraction (NRND). An analytical solution is proposed to calculate the second harmonic intensity in rectangular 2D lattices. This approach can be useful for the generation of multiple second harmonic beams with the efficiency a few orders of magnitude higher than in the case of nonphase-matched generation via NRND.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660079, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Chirkin, A. S.; Вьюнышев, Андрей Михайлович; Russian Federation [MK-2908.2015.2]; RFBR [15-02-03838]
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Vyunishev, A. M.
Theory of noncollinear frequency doubling of transform limited pulses in non-steady-state regime / A. M. Vyunishev, V. G. Arkhipkin, A. S. Chirkin // J. Opt. Soc. Am. B. - 2016. - Vol. 33, Is. 11. - P. 2308-2312, DOI 10.1364/JOSAB.33.002308. - Cited References: 22. - Council of the President of the Russian Federation (MK-2908.2015.2); Russian Foundation for Basic Research (RFBR) (15-02-03838); Krasnoyarsk Regional Fund for Science and Technical Activity Support. - The authors thank I. V. Timofeev for the fruitful discussions and theoretical support. . - ISSN 0740-3224
Кл.слова (ненормированные):
Band structure -- Frequency doublers -- Gaussian beams -- Nonlinear optics -- Phase matching -- Analytical expressions -- Frequency-doubling -- Interaction geometries -- Intersection angles -- Parametric interactions -- Phase matching conditions -- Spectral bandwidth -- Transform-limited pulse -- Harmonic generation
Аннотация: Noncollinear second-harmonic generation from two ultrashort pulses intersecting in a nonlinear medium is studied in spectral and time domains. We derive analytical expressions for the second-harmonic (SH) amplitude in crystals of finite thickness neglecting diffraction. The contribution from characteristics of the fundamental radiation and interaction geometry to the process is analyzed. In addition, refined phase-matching conditions are obtained. We find that the spectral bandwidth is determined by the intersection angle and can be enlarged. The SH pulse duration can be optimized by varying the fundamental beam size and the intersection angle. It is found that the SH beam excited by a Gaussian fundamental beam becomes elliptical. It is shown that the fundamental pulse duration can be readily characterized with single pulses by means of measuring the ellipticity of the SH beam profile. The approach developed can potentially be used to calculate parametric interactions of fundamental pulses with an arbitrary spectrum. © 2016 Optical Society of America.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk, Russian Federation
Laboratory for Nonlinear Optics and Spectroscopy, Siberian Federal University, Krasnoyarsk, Russian Federation
Faculty of Physics and International Laser Center, M.V. Lomonosov Moscow State University, Moscow, Russian Federation

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Вьюнышев, Андрей Михайлович
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Vyunishev, A. M.
Theory of second-harmonic generation in a chirped 2D nonlinear optical superlattice under nonlinear Raman-Nath diffraction / A. M. Vyunishev, V. G. Arkhipkin, A. S. Chirkin // J. Opt. Soc. Am. B. - 2015. - Vol. 32, Is. 12. - P. 2411-2416, DOI 10.1364/JOSAB.32.002411. - Cited References:31. - Council of the President of the Russian Federation (MK-2908.2015.2); Russian Foundation for Basic Research (RFBR) (15-02-03838). . - ISSN 0740-3224. - ISSN 1520-8540

РУБ Optics
Рубрики:
FEMTOSECOND LASER-PULSES
   POLED LITHIUM-NIOBATE
   PHOTONIC CRYSTAL
   COMPRESSION
   CONVERSION
Аннотация: We analyze second-harmonic generation (SHG) in a two-dimensional nonlinear optical superlattice (NLOS) with its modulation period being chirped in the propagation direction and constant in the transverse direction. This results in efficient multiple SHG via nonlinear Raman–Nath diffraction. We obtain exact analytical expressions for a SH amplitude generated in chirped 2D NLOSs and for its quasi-phase-matching bandwidth. The results of analytical calculations are in excellent agreement with the numerical ones. We show that the process is robust to angular deviations of NLOS and it can be applied to enable tunable and broadband frequency conversion.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Photon & Laser Technol, Krasnoyarsk 660079, Russia.
Siberian Fed Univ, Lab Nonlinear Opt & Spect, Krasnoyarsk 660079, Russia.
Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia.
Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia.

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Chirkin, A. S.; Вьюнышев, Андрей Михайлович; Council of the President of the Russian Federation [MK-2908.2015.2]; Russian Foundation for Basic Research (RFBR) [15-02-03838]
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10.

Вьюнышев, Андрей Михайлович.
Генерация второй гармоники в регулярных доменных структурах с флуктуациями толщины промежуточных однородных слоев / А. М. Вьюнышев, И. В. Тимофеев, А. С. Чиркин // Сб. тр. XV Всерос. шк.-сем. "Волн. явления в неоднород. средах" им. проф. А.П. Сухорукова. - 2016. - Сек. 3. - С. 19-20. - Библиогр.: 4 назв. - Работа выполнена при финансовой поддержке гранта Президента РФ МК-2908.2015.2, а также гранта РФФИ № 15-02-03838

Материалы конференции,
Материалы конференции
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Тимофеев, Иван Владимирович; Timofeev, I. V.; Чиркин, А. С.; Chirkin A. S.; Vyunishev, A. M.; Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований; "Волновые явления в неоднородных средах", всероссийская школа-семинар имени А. П. Сухорукова(15 ; 2016 ; 5-10 июня ; Можайск, Моск. обл.); Волны-2016. Всероссийская школа-семинар "Волновые явления в неоднородных средах" имени А. П. Сухорукова(15 ; 2016 ; 5-10 июня ; Можайск, Моск. обл.)
}
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