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1.
Berman, G. P.
A non-linear resonance in a system of surface-state electrons
bound
to the helium surface / G. P. Berman, A. R. Kolovsky, G. M. Zaslavsky> // Phys. Lett. A. - 1984. -
Vol. 105
,
Is. 9
. - P. 483-486,
DOI
10.1016/0375-9601(84)91042-9. - Cited References: 24 . - ISSN 0375-9601
РУБ
Physics, Multidisciplinary
WOS
,
Scopus
Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
ИФ СО РАН
Доп.точки доступа:
Kolovsky, A. R.; Коловский, Андрей Радиевич; Zaslavsky, G. M.; Заславский, Георгий Моисеевич; Берман, Геннадий Петрович
}
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2.
European Quantum Electronics Conference (2021 ; June ; 21- 25)
Accidental
bound
state
in the continuum in a chain of dielectric disks / M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva [et al.]> //
Optics InfoBase Conference Papers. - 2021. - 2021 European Quantum Electronics Conference, EQEC 2021 - Part of 2021 Conference on Lasers and Electro-Optics Europe, CLEO 2021 (21 June 2021 through 25 June 2021, Virtual, Online) Conference code: 174130. - Ст. jsi_2_4. - Cited References: 2. - The work was supported by RFBR (19-02-00419), the grant of the President of the Russian Federation (MK-2224.2020.2) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS
Аннотация:
We experimentally analyze for the first time an off-Gamma BIC in a one-dimensional periodic chain of disks and demonstrate its transformation to a resonant state with the decrease of the chains length.
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Держатели документа:
Department of Physics and Engineering, ITMO University, St. Petersburg, 197101, Russian Federation
Research Laboratory of Electronics, Massachusetts Institute of Technology, 50 Vassar St., Cambridge, MA, United States
Kirensky Institute of Physics, Federal Research Center, KSC, SB, RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Sidorenko, M. S.; Sergaeva, O. N.; Sadrieva, Z. F.; Roques-Carmes, C.; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bogdanov, A. A.; European Quantum Electronics Conference(2021 ; June ; 21- 25)
}
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3.
Accidental
bound
state
in the continuum in a chain of dielectric disks / M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva [et al.]> //
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference : IEEE, 2021. - Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (Jun 21-25, 2021, Electr. Network),
DOI
10.1109/CLEO/Europe-EQEC52157.2021.9592618. - Cited References: 2. - The work was supported by RFBR (19-02-00419), the grant of the President of the Russian Federation (MK2224.2020.2) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS . - ISBN 978-1-6654-1876-8
РУБ
Engineering, Electrical & Electronic + Quantum Science & Technology + Optics + Physics, Applied
Аннотация:
Dielectric resonators are open systems whose eigenmodes couple to the radiation continuum resulting in nonzero radiation losses. For a long time, it was believed that only guided modes with frequencies below the light line were decoupled from the radiation continuum [1] . In the early 2000’s, several counterexamples of perfectly localized states – i.e. totally decoupled from the radiation continuum – at frequencies above the light line were proposed in dielectric gratings and photonic crystal waveguides [2] . Such states are known as
bound
states in the continuum (BIC).
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Держатели документа:
ITMO Univ, Dept Phys & Engn, St Petersburg 197101, Russia.
MIT, Elect Res Lab, 50 Vassar St, Cambridge, MA 02139 USA.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Доп.точки доступа:
Sidorenko, M. S.; Sergaeva, O. N.; Sadrieva, Z. F.; Roques-Carmes, C.; Muraev, P. S.; Мураев, Павел Сергеевич; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Bogdanov, A. A.; RFBRRussian Foundation for Basic Research (RFBR) [19-02-00419]; Russian FederationRussian Federation [MK2224.2020.2]; Foundation for the Advancement of Theoretical Physics and Mathematics BASIS; Conference on Lasers and Electro-Optics Europe; European Quantum Electronics Conference(2021 ; June)
}
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4.
Pilipchuk, A. S.
Accidental
bound
states in the continuum in an open Sinai billiard / A. S. Pilipchuk, A. F. Sadreev> // Phys. Lett. A. - 2017. -
Vol. 381
,
Is. 7
. - P. 720-724,
DOI
10.1016/j.physleta.2016.11.022. - Cited References: 35. - This work has been supported by Russian Science Foundation through grant 14-12-00266. We acknowledge discussions with D.N. Maksimov. . - ISSN 0375-9601
Кл.слова (ненормированные):
Bound
states in the continuum
--
Open chaotic Sinai billiard
Аннотация:
The fundamental mechanism of the
bound
states in the continuum is the full destructive interference of two resonances when two eigenlevels of the closed system are crossing. There is, however, a wide class of quantum chaotic systems which display only avoided crossings of eigenlevels. As an example of such a system we consider the Sinai billiard coupled with two semi-infinite waveguides. We show that notwithstanding the absence of degeneracy
bound
states in the continuum occur due to accidental decoupling of the eigenstates of the billiard from the waveguides. © 2016 Elsevier B.V.
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Пилипчук, Артем Сергеевич
}
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5.
Bulgakov, E. N.
All-optical light storage in
bound
states in the continuum and release by demand / E. N. Bulgakov, K. N. Pichugin, A. F. Sadreev> // Opt. Express. - 2015. -
Vol. 23
,
Is. 17
. - P. 22520-22531,
DOI
10.1364/OE.23.022520. - Cited References: 45. - This work was supported by Russian Scientific Foundation through Grant 14-12-00266. We acknowledge discussions with D.N. Maksimov . - ISSN 1094-4087
Перевод заглавия:
Сохранение света в связанном состоянии в континууме и освобождение по требованию
РУБ
Optics
Рубрики:
TRAPPED RAINBOW STORAGE
COUPLED-MODE THEORY
CRYSTAL WAVE-GUIDE
SLOW LIGHT
FANO RESONANCE
METAMATERIALS
MICROCAVITY
CAVITIES
Аннотация:
In the framework of the temporal coupled mode theory we consider
bound
states embedded in the continuum (BSC) of photonic crystal waveguide as a capacity for light storage. A symmetry protected BSC occurs in two off-channel microresonators positioned symmetrically relative to the waveguide. We demonstrate that the symmetry protected BSC captures a fraction of a light pulse due to the Kerr effect as the pulse passes by the microresonators. However the amount of captured light is found to be strongly sensitive to the parameters of the gaussian light pulse such as basic frequency, duration and intensity. In contrast to the above case the BSC resulted from a full destructive interference of two eigenmodes of a single microresonator accumulates a fixed amount of light dependent on the material parameters of the microresonator but independent of the light pulse. The BSCs in the Fabry-Perot resonator show similar effects. We also show that the accumulated light can be released by a secondary pulse. These phenomena pave a way for all-optical storage and release of light. (C) 2015 Optical Society of America
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Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Scientific Foundation [14-12-00266]
}
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6.
Val'kov, V. V.
Andreev
bound
states and the Josephson current through a spin dimeric structur / V. V. Val'kov, S. V. Aksenov> //
Spin Waves 2015, Int. Symp. : abstracts. - СПб., 2015. - P. 126
Перевод заглавия:
Андреевские связанные состояния и джозефсоновский ток через спин-димерную структуру
Материалы конференции
Доп.точки доступа:
Aksenov, S. V.; Аксенов, Сергей Владимирович; Вальков, Валерий Владимирович; "Spin Waves", International Simposium(2015 ; Jun. ; 7-13 ; Saint Petersburg); Физико-технический институт им. А.Ф. Иоффе РАН
}
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7.
Bulgakov, E. N.
Avoided crossings and
bound
states in the continuum in low-contrast dielectric gratings / E. N. Bulgakov, D. N. Maksimov> // Phys. Rev. A. - 2018. -
Vol. 98
,
Is. 5
. - Ст. 053840,
DOI
10.1103/PhysRevA.98.053840. - Cited References: 49. - This work was supported by Ministry of Education and Science of the Russian Federation (State Contract No. 3.1845.2017/4.6). We are grateful to K. N. Pichugin for assistance with the computations. . - ISSN 2469-9926. - ISSN 2469-9934
РУБ
Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
RESONANCES
Аннотация:
We consider
bound
states in the continuum (BICs) in low-contrast dielectric gratings. It is demonstrated that the BICs originate from the reduced guided modes on the effective dielectric slab with the permittivity equal to the average permittivity of the dielectric grating. In the case of isolated resonances, the positions of BICs can be found from two-wave dispersion relationships for guided leaky modes. In the case of the degeneracy between the two families of leaky modes, the system exhibits an avoided crossing of resonances. In the spectral vicinity of the avoided crossing the transmittance as well as the emergence of BICs is described in the framework of the generic formalism by Volya and Zelevinsky [Phys. Rev. C 67, 054322 ( 2003)] with a single fitting parameter.
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Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Булгаков, Евгений Николаевич; Ministry of Education and Science of the Russian Federation [3.1845.2017/4.6]
}
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8.
Bulgakov, E. N.
Bloch
bound
states in the radiation continuum in a periodic array of dielectric rods / E. N. Bulgakov, A. F. Sadreev> // Phys. Rev. A. - 2014. -
Vol. 90
,
Is. 5
. - Ст. 53801,
DOI
10.1103/PhysRevA.90.053801. - Cited References: 35. - The work was supported by the Russian Science Foundation through Grant No. 14-12-00266. We acknowledge discussions with D. N. Maksimov. . - ISSN 1050-2947. - ISSN 1094-1622
Перевод заглавия:
Блоховские связанные состояния в радиационном континууме в периодической цепи диэлеткрических стержней
РУБ
Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
WAVE-GUIDE
SCATTERING
CYLINDERS
CHANNEL
Аннотация:
We consider an infinite periodic array of dielectric rods in vacuum with the aim to demonstrate three types of Bloch
bound
states in the continuum (BSCs): symmetry protected with a zero Bloch vector, embedded in one diffraction channel with nonzero Bloch vector, and embedded in two and three diffraction channels. The first and second types of the BSC exist for a wide range of material parameters of the rods, while the third occurs only at a specific value of the radius of the rods. We show that the second type supports the power flux along the array. In order to find BSCs we put forward an approach based on the expansion over the Hankel functions. We show how the BSC reveals itself in the scattering function when the singular BSC point is approached along a specific path in the parametric space.
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Доп.точки доступа:
Sadreev, E. N.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Science Foundation [14-12-00266]
}
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9.
Bound
state in
the continuum in 1D chain of dielectric disks: Theory and experiment / M. Balyzin [et al.]> //
J. Phys. Conf. Ser. - 2018. -
Vol. 1092
: 3rd International Conference on Metamaterials and Nanophotonics, METANANO 2018 (17 - 21 September 2018). - Ст. 012012,
DOI
10.1088/1742-6596/1092/1/012012. - Cited References: 11. - This work is supported by RSF (17-12-01581)
Кл.слова (ненормированные):
1-D chains
--
Bound
state
--
Ceramic disks
--
Dielectric disks
--
GHz frequencies
--
Material loss
--
Quadratic growth
--
Zero angular momentum
Аннотация:
In this work we experimentally observe a symmetry protected optical
bound
state in the continuum (BIC) with zero angular momentum in 1D array of ceramic disks at GHz frequencies. We analyze the dependence of Q factor of BIC on the number of the disks and the level of the material losses. We confirmed theoretical prediction about quadratic growth of the Q factor with the number of the disks and its following saturation due to material losses.
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Держатели документа:
Department of Nanophotonics and Metamaterials, ITMO University, Saint-Petersburg, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Balyzin, M.; Sadrieva, Z.; Belyakov, M. A.; Kapitanova, P.; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Bogdanov, A.; International Conference on Metamaterials and Nanophotonics(3rd ; 17 - 21 September 2018 ; Sochi, Russian Federation)
}
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10.
Pankin, P. S.
Bound
state in the continuum in an anisotropic photonic crystal supported by a full-wave phase plate / P. S. Pankin, D. N. Maksimov, I. V. Timofeev> // J. Opt. Soc. Am. B. - 2022. -
Vol. 39
,
Is. 4
. - P. 968-972,
DOI
10.1364/JOSAB.451034. - Cited References: 34. - Council on Grants of the President of the Russian Federation (MK-4012.2021.1.2). The authors are grateful to V.A. Stepanenko (Siberian Federal University) for helpful discussions. P. S. Pankin is grateful for the support of the President of the Russian Federation . - ISSN 0740-3224
Кл.слова (ненормированные):
Crystal defects
--
Photonic crystals
Аннотация:
We consider
bound
states in the continuum (BICs) in a 1D multilayered system of an anisotropic defect layer embedded into an anisotropic photonic crystal. We analytically demonstrate that an anisotropic defect layer embedded into anisotropic photonic crystal supports accidental BICs. These BICs can be transformed to high-Q resonances by variation of one of the system's parameters. At the same time, the BICs are remarkably robust in the sense that a true BIC can be recovered by further tuning any of the system's other parameters, leading to tunability of the resonance position.
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Держатели документа:
Kirensky Institute of Physics, FRC KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Панкин, Павел Сергеевич
}
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11.
Maksimov, D. N.
Bound
states in elastic waveguides / D. N. Maksimov, A. F. Sadreev> // Phys. Rev. E. - 2006. -
Vol. 74
,
Is. 1
. - Ст. 16201,
DOI
10.1103/PhysRevE.74.016201. - Cited References: 26 . - ISSN 1539-3755
РУБ
Physics, Fluids & Plasmas + Physics, Mathematical
Рубрики:
CLASSICALLY UNBOUND SYSTEM
QUANTUM WIRES
Аннотация:
We consider numerically the L-, T-, and X-shaped elastic waveguides with the Dirichlet boundary conditions for in-plane deformations (displacements) which obey the vectorial Navier-Cauchy equation. In the X-shaped waveguide we show the existence of a doubly degenerate
bound
state with frequency below the first symmetrical cutoff frequency, which belongs to the two-dimensional irreducible representation E of symmetry group C-4v. Moreover the next
bound
state is below the next antisymmetric cutoff frequency. This
bound
state belongs to the irreducible representation A(2). The T-shaped waveguide has only one
bound
state while the L-shaped one has no
bound
states.
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Держатели документа:
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Linkoping Univ, Dept Phys & Measurement Technol, SE-58183 Linkoping, Sweden
ИФ СО РАН
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Максимов, Дмитрий Николаевич
}
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12.
Bulgakov, E. N.
Bound
States in Photonic Fabry-Perot Resonator Comprised of Two Nonlinear Off-Channel Defects / E. N. Bulgakov, A. F. Sadreev> // JETP Letters. - 2009. -
Vol. 90
,
Is. 12
. - P. 744-749,
DOI
10.1134/S0021364009240023. - Cited References: 32. - We thank Kostya Pichugin for many helpful discussions. The work was partially supported by the Russian Foundation for Basic Research, project no. 09-02-98005-Siberia. . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
SCATTERING-THEORY
WAVE-GUIDE
CONTINUUM
MODES
Аннотация:
Two off-channel nonlinear defects coupled to the photonic waveguide constitute the Fabry-Perot interfer-ometer (FPR). The defects are made from a Kerr-like nonlinear material. For the linear case such a FPR can support the
bound
states in the form of standing waves between the defects if the distance between them is quantized. For the nonlinear case the
bound
states appear for arbitrary distance between the defects however for an quantized electromagnetic intensity. For the transmission through FPR we reveal new resonances and show these are a result of coupling of the
bound
states with incident wave because of nonlinearity of the defects. The resonances are spaced at the eigen frequencies of
bound
states.
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Держатели документа:
[Bulgakov, E. N.
Sadreev, A. F.] Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
[Bulgakov, E. N.] Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
Institute of Physics, Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Foundation for Basic Research [09-02-98005-Siberia]
}
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13.
Bound
States in
Photonic Fabry-Perot Resonator with Nonlinear Off Channel Defects [Text] / Bulgakov E.N., Sadreev A.F.> // Phys. Rev. B. - 2010. -
Vol. 81
. - P115128-12
Доп.точки доступа:
Bulgakov, E.N.; Sadreev, A.F.
}
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14.
Bulgakov, E. N.
Bound
states in photonic Fabry-Perot resonator with nonlinear off-channel defects / E. N. Bulgakov, A. F. Sadreev> // Phys. Rev. B. - 2010. -
Vol. 81
,
Is. 11
. - Ст. 115128,
DOI
10.1103/PhysRevB.81.115128. - Cited References: 73. - The work was partially supported by RFBR under Grant No. 09-02-98005 "Siberia." We are greatly acknowledge Konstantin Pichugin for many discussions. . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
CRYSTAL WAVE-GUIDES
STATIONARY LOCALIZED STATES
COUPLED-MODE THEORY
OPTICAL RESONATORS
NUCLEAR REACTIONS
UNIFIED THEORY
MICROCAVITIES
TRANSMISSION
CONTINUUM
CIRCUITS
Аннотация:
We consider a Fabry-Perot resonator (FPR) comprised of two off-channel nonlinear defects coupled to the photonic waveguide. For the linear case FPR can support
bound
states in the form of standing waves between the defects if a distance between them is quantized. For the nonlinear case the
bound
states appear for arbitrary distance between the defects if electromagnetic intensity is quantized. For transmission through the FPR we reveal additional resonances which are the result of coupling of incident wave with the
bound
states because of nonlinearity of the defects. The resonances are spaced at the eigenfrequencies of
bound
states with a width proportional to the input amplitude. The theory of the FPR based on the simple Wang and Fan model [Phys. Rev. E 68, 066616 (2003)] is complemented by the tight-binding one. The results for the transmission and
bound
states in these models agree with computations in real two-dimensional photonic crystal waveguide coupled with two off-channel defects fabricated from a Kerr-type material.
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Держатели документа:
[Bulgakov, Evgeny N.
Sadreev, Almas F.] Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
[Bulgakov, Evgeny N.] Siberian State Aerosp Univ, Krasnoyarsk, Russia
ИФ СО РАН
Institute of Physics, Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk Rabochii, 31, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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15.
Bulgakov, E. N.
Bound
states in the continuum and Fano resonances in the Dirac cone spectrum / E. N. Bulgakov, D. N. Maksimov> // J. Opt. Soc. Am. B. - 2019. -
Vol. 36
,
Is. 8
. - P. 2221-2225,
DOI
10.1364/JOSAB.36.002221. - Cited References: 33. - Ministry of Higher Education and Science of the Russian Federation (State Contract N 3.1845.2017/4.6). . - ISSN 0740-3224. - ISSN 1520-8540
Перевод заглавия:
Связанные состояния в континууме и резонансы Фано в коническом спектре Дирака
РУБ
Optics
Рубрики:
BAND
Аннотация:
We consider light scattering by two-dimensional arrays of high-index dielectric spheres arranged into a triangular lattice. It is demonstrated that in the case of a triple degeneracy of resonant leaky modes in the gamma point, the scattering spectra exhibit a complicated picture of Fano resonances with extremely narrow linewidth. The Fano features are explained through coupled-mode theory for a Dirac cone spectrum as a signature of optical
bound
states in the continuum (BIC). It is found that the standing wave in-gamma BIC induces a ring of off-gamma BICs due to different scaling laws for real and imaginary parts of the resonant eigenfrequencies in the Dirac cone spectrum. A quantitative theory of the spectra is proposed.
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Держатели документа:
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Kransnoyarsk 660041, Russia.
Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Булгаков, Евгений Николаевич; Ministry of Higher Education and Science of the Russian Federation [N 3.1845.2017/4.6]
}
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16.
Bulgakov, E. N.
Bound
states in the continuum and polarization singularities in periodic arrays of dielectric rods / E. N. Bulgakov, D. N. Maksimov> // Phys. Rev. A. - 2017. -
Vol. 96
,
Is. 6
. - Ст. 063833,
DOI
10.1103/PhysRevA.96.063833. - Cited References: 43. - This work was supported by Ministry of Education and Science of Russian Federation (State Contract No. 3.1845.2017/4.6). We appreciate discussions with Almas F. Sadreev. . - ISSN 2469-9926. - ISSN 2469-9934
Перевод заглавия:
Связанные состояния в континууме и поляризационные сингулярности в периодической последовательности диэлектрических стержней
Аннотация:
We consider optical
bound
states in the continuum (BICs) in periodic arrays of dielectric rods. The full classification of BICs in the above system is provided, including the modes propagating along the axes of the rods and bidirectional BICs propagating both along the axes of the rods and the axis of periodicity. It is shown that the leaky zones supporting the BICs generally have elliptically polarized far-field radiation patterns, with the polarization ellipses collapsing on approach to the BICs in momentum space. That allowed us to apply the concept of polarization singularities and demonstrate that the BICs possess a topological charge defined as the winding number of the polarization direction [Phys. Rev. Lett. 113, 257401 (2014)]. It is found that the evolution of the BICs, including their creation and annihilation, under variation of geometric parameters is controlled by the topological charge. Three scenarios of such evolution for different leaky zones are described. Finally, it is shown that the topological properties of the BICs can be extracted from transmission spectra when the system is illuminated by a plane wave of circular polarization.
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Держатели документа:
Reshetnev Siberian State University of Science and Technology, 660037, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036, Krasnoyarsk, Russia
Доп.точки доступа:
Maksimov, D. N.; Максимов, Дмитрий Николаевич; Булгаков, Евгений Николаевич
}
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17.
Bulgakov, E. N.
Bound
states in the continuum in dielectric resonators embedded into metallic waveguide / E. N. Bulgakov, A. S. Pilipchuk, A. F. Sadreev> //
All-dielectric nanophotonics / ed.: A. S. Shalin [et al.] : Elsevier, 2023. -
Chapt. 7
. - P. 185-212. - (Nanophotonics series). - Cited References: 97. - РНФ № 22-12-00070
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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC, SB RAS
Доп.точки доступа:
Shalin, A. S. \ed.\; Valero, Adrià Canós \ed.\; Miroshnichenko, A. \ed.\; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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18.
Bound
states in
the continuum in open acoustic resonators / A. A. Lyapina [et al.]> // J. Fluid Mech. - 2015. -
Vol. 780
. - P. 370-387,
DOI
10.1017/jfm.2015.480. - Cited References: 48. - This work has been supported by Russian Science Foundation through grant 14-12-00266. . - ISSN 0022-1120
Перевод заглавия:
Связанное состояние в континууме в открытом акустическом резонаторе
РУБ
Mechanics + Physics, Fluids & Plasmas
Рубрики:
TRAPPED MODES
FANO RESONANCES
COMPLEX RESONANCES
PARALLEL PLATES
SIDE-BRANCHES
WAVE-GUIDES
ABSORPTION
TRANSPORT
CHANNELS
SYSTEM
Кл.слова (ненормированные):
aeroacoustics
--
noise control
--
wave scattering
Аннотация:
We consider
bound
states in the continuum (BSCs) or embedded trapped modes in two- and three-dimensional acoustic axisymmetric duct-cavity structures. We demonstrate numerically that, under variation of the length of the cavity, multiple BSCs occur due to the Friedrich-Wintgen two-mode full destructive interference mechanism. The BSCs are detected by tracing the resonant widths to the points of the collapse of Fano resonances where one of the two resonant modes acquires infinite life-time. It is shown that the approach of the acoustic coupled mode theory cast in the truncated form of a two-mode approximation allows us to analytically predict the BSC frequencies and shape functions to a good accuracy in both two and three dimensions. © 2015 Cambridge University Press.
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Держатели документа:
L.V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Lyapina, A. A.; Ляпина, Алина Андреевна; Maksimov, D. N.; Максимов, Дмитрий Николаевич; Pilipchuk, A. S.; Пилипчук, Артем Сергеевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович
}
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19.
Bound
states in
the continuum in open Aharonov-Bohm rings / E. N. Bulgakov [et al.]> // JETP Letters. - 2006. -
Vol. 84
,
Is. 8
. - P. 430-435,
DOI
10.1134/S0021364006200057. - Cited References: 33 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
WAVE-GUIDE
QUANTUM
TRANSMISSION
SCATTERING
BILLIARDS
ELECTRON
Аннотация:
Using the formalism of the effective Hamiltonian, we consider
bound
states in a continuum (BIC). They are nonhermitian effective Hamiltonian eigenstates that have real eigenvalues. It is shown that BICs are orthogonal to open channels of the leads, i.e., disconnected from the continuum. As a result, BICs can be superposed to a transport solution with an arbitrary coefficient and exist in a propagation band. The one-dimensional Aharonov-Bohm rings that are opened by attaching single-channel leads to them allow exact consideration of BICs. BICs occur at discrete values of the energy and magnetic flux; however, it's realization strongly depends on the way to the BIC point.
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Держатели документа:
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
ИФ СО РАН
Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Max-Planck-Institut fur Physik Komplexer Systeme, D-01187 Dresden, Germany
Доп.точки доступа:
Bulgakov, E. N.; Булгаков, Евгений Николаевич; Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Rotter, I.
}
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20.
Sadreev, A. F.
Bound
states in the continuum in open quantum billiards with a variable shape / A. F. Sadreev, E. N. Bulgakov, I. . Rotter> // Phys. Rev. B. - 2006. -
Vol. 73
,
Is. 23
. - Ст. 235342,
DOI
10.1103/PhysRevB.73.235342. - Cited References: 24 . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
TRANSMISSION
RESONANCES
ELECTRON
DYNAMICS
Аннотация:
We show the existence of
bound
states in the continuum (BICs) in quantum billiards (QBs) that are opened by attaching single-channel leads to them. They may be observed by varying an external parameter continuously, e.g., the shape of the QB. At some values of the parameter, resonance states with vanishing decay width (the BICs) occur. They are localized almost completely in the interior of the closed system. The phenomenon is shown analytically to exist in the simplest case of a two level QB and is complemented by numerical calculations for a real QB.
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Держатели документа:
Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
ИФ СО РАН
Institute of Physics, Academy of Sciences, 660036 Krasnoyarsk, Russian Federation
Max-Planck-Institut fur Physik Komplexer Systeme, D-01187 Dresden, Germany
Доп.точки доступа:
Bulgakov, E. N.; Булгаков, Евгений Николаевич; Rotter, I.; Садреев, Алмаз Фаттахович
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