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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Krasnov A. I., Pankin P. S., Buzin D. S., Romanenko G. A., Sutormin V. S., Nabol S. V., Zelenov F. V., Masyugin A. N., Ветров, Степан Яковлевич, Timofeev I. V.
Заглавие : All-dielectric photonic crystal microcavity with electrically tunable Q-factor
Коллективы : International School and Conference on optoelectronics, photonics, engineering and nanostructures, Высшая школа экономики, НИУ, Санкт-Петербургский национальный исследовательский Академический университет имени Ж.И. Алфёрова Российской академии наук
Место публикации : 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures: book of abstracts. - Saint-Petersburg, 2022
Примечания : Cited References: 3
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : All-optical diode based on dipole modes of Kerr microcavity in asymmetric L-shaped photonic crystal waveguide
Коллективы : RFBR [13-02-00497]
Место публикации : Opt. Lett.: Optical Society of America, 2014. - Vol. 39, Is. 7. - P.1787-1790. - ISSN 0146-9592, DOI 10.1364/OL.39.001787. - ISSN 1539-4794
Примечания : Cited References: 14. - This work was partially supported by RFBR grant 13-02-00497
Предметные рубрики: TRANSMISSION
Аннотация: A design of all-optical diode in L-shaped photonic crystal waveguide is proposed that uses the multistability of single nonlinear Kerr microcavity with two dipole modes. Asymmetry of the waveguide is achieved through different couplings of the dipole modes with the left and right legs of the waveguide. Using coupled mode theory we demonstrate an extremely high transmission contrast. The direction of optical diode transmission can be controlled by power or frequency of injected light. The theory agrees with the numerical solution of the Maxwell equations. (C) 2014 Optical Society of America
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Pichugin K. N., Sadreev A. F.
Заглавие : All-optical light storage in bound states in the continuum and release by demand
Коллективы : Russian Scientific Foundation [14-12-00266]
Место публикации : Opt. Express: Optical Society of America, 2015. - Vol. 23, Is. 17. - P.22520-22531. - ISSN 1094-4087, DOI 10.1364/OE.23.022520
Примечания : Cited References: 45. - This work was supported by Russian Scientific Foundation through Grant 14-12-00266. We acknowledge discussions with D.N. Maksimov
Предметные 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Light-induced degeneracy of resonance modes in a nonlinear microcavity coupled with waveguides: Application to channel drop filter
Место публикации : J. Opt. Soc. Am. B. - 2013. - Vol. 30, Is. 9. - P.2549-2554. - ISSN 0740-3224, DOI 10.1364/JOSAB.30.002549
Ключевые слова (''Своб.индексиров.''): channel drop filters--channel dropping--eigen modes--injected power--light-induced--parallel waveguides--resonance mode--two-dimensional photonic crystals--microcavities--natural frequencies--waveguides--waveguide filters
Аннотация: We consider a microcavity with degenerate dipole or hexapole eigenmodes. If the cavity is positioned between waveguides, degeneracy is lifted. However, we show that in a nonlinear microcavity the degeneracy is recovered at certain injected power. In application we consider a two-dimensional photonic crystal of GaAs rods holding two parallel waveguides and one defect made of Kerr media. We show that 100% efficiency channel dropping can be attained without a necessity to tune the resonant frequencies of the microcavity. В© 2013 Optical Society of America.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Robust bound state in the continuum in a nonlinear microcavity embedded in a photonic crystal waveguide
Коллективы : Russian Science Foundation [14-12-00266]
Место публикации : Opt. Lett.: Optical Society of America, 2014. - Vol. 39, Is. 17. - P.5212-5215. - ISSN 0146-9592, DOI 10.1364/OL.39.005212. - ISSN 1539-4794
Примечания : Cited References: 27. - The work was supported by the Russian Science Foundation, grant 14-12-00266. We acknowledge discussions with Chia Wei Hsu and D. N. Maksimov.
Предметные рубрики: TRAPPED MODES
RESONANCES
Аннотация: We present a two-dimensional photonic crystal design of four defect dielectric rods, which form a microcavity with eigenfrequencies residing in the propagating band of a directional waveguide. In this system, a nonrobust bound state in the continuum (BSC) occurs as a result of full destructive interference of the monopole and quadrupole modes, with the same parity at certain values of the material parameters of the defect rods. Due to the Kerr effect, a robust BSC arises in a self-adaptive way without necessity to tune the material parameters. The absence of the superposition principle in that nonlinear system gives rise to coupling of the BSC with injected light, resulting in a novel transmission resonance. (C) 2014 Optical Society of America
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pankin P. S., Sutormin V. S., Gunyakov V. A., Zelenov F. V., Tambasov I. A., Masyugin A. N., Volochaev M. N., Baron F. A., Chen K. P., Zyryanov V. Ya., Vetrov S. Ya., Timofeev I. V.
Заглавие : Experimental implementation of tunable hybrid Tamm-microcavity modes
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of Krasnoyarsk Territory; Krasnoyarsk Region Science and Technology Support Fund [19-42-240004]; Russian Foundation for Basic Research, TaiwanRussian Foundation for Basic Research (RFBR) [19-52-52006, MOST 108-2923-E-009-003-MY3]; Russian FederationRussian Federation [MK-4012.2021.1.2]; Krasnoyarsk Regional Center of Research Equipment of Federal Research Center KSC SB RAS
Место публикации : Appl. Phys. Lett. - 2021. - Vol. 119, Is. 16. - Ст.161107. - ISSN 0003-6951, DOI 10.1063/5.0067179. - ISSN 1077-3118(eISSN)
Примечания : Cited References: 60. - The authors are grateful to M. N. Krakhalev for helpful discussions. Electrical control of hybrid modes was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research, Project No. 19-42-240004. Temperature control of hybrid modes was funded by Russian Foundation for Basic Research, Project No. 19-52-52006 and No. MOST 108-2923-E-009-003-MY3, Taiwan. P. S. Pankin is grateful for the support of the President of the Russian Federation under Grant No. MK-4012.2021.1.2. This study was supported by the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center KSC SB RAS
Предметные рубрики: STATES
CRYSTALS
LAYER
Аннотация: Mode hybridization is a unique way to manipulate the mode inside a fixed cavity or at interface. For example, Tamm plasmon-polariton at solid interface can be spectrally shifted without tuning the interface. Experimental implementation of tunable hybrid Tamm-microcavity modes is reported. The hybrid modes are excited in a one-dimensional photonic crystal bounded with a gold layer by attaching a nematic liquid crystal microcavity. Coupling between Tamm plasmon-polariton and microcavity modes leads to repulsion of their dispersion curves controlled by the refractive index of a liquid crystal and the polarization of incident light. Effective tuning of hybrid modes through heating or applying an external electric field to the liquid crystal layer is demonstrated. The experimentally measured strength coupling value between Tamm and microcavity modes was 20.7 meV.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Buzin D. S., Pankin P. S., Maksimov D. N., Romanenko G. A., Sutormin V. S., Nabol S. V., Zelenov F. V., Masyugin A. N., Volochaev M. N., Vetrov S. Ya., Timofeev I. V.
Заглавие : Hybrid Tamm and quasi-BIC microcavity modes
Колич.характеристики :9 с
Место публикации : Nanoscale. - 2023. - Vol. 15, Is. 41. - P.16706-16714. - ISSN 20403364 (ISSN), DOI 10.1039/D3NR03241H. - ISSN 20403372 (eISSN)
Примечания : Cited References: 75. - This work was supported by the Russian Science Foundation under Grant No. 22-22-00687
Аннотация: The microcavity in the form of a liquid crystal defect layer embedded in a one-dimensional photonic crystal is considered. The microcavity mode has a tunable radiation decay rate in the vicinity of a bound state in the continuum. It is demonstrated that coupling between the microcavity mode and a Tamm plasmon polariton results in hybrid Tamm-microcavity modes with a tunable Q factor. The measured spectral features of hybrid modes are explained in the framework of the temporal coupled mode theory.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Buzin D. S., Pankin P. S., Romanenko G. A., Krasnov A. I., Sutormin V. S., Nabol S. V., Tambasov I. A., Zelenov F. V., Masyugin A. N., Ветров, Степан Яковлевич, Timofeev I. V.
Заглавие : Hybrid Tamm-microcavity optical modes with tunable Q-factor
Коллективы : International School and Conference on optoelectronics, photonics, engineering and nanostructures, Высшая школа экономики, НИУ, Санкт-Петербургский национальный исследовательский Академический университет имени Ж.И. Алфёрова Российской академии наук
Место публикации : 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures: book of abstracts. - Saint-Petersburg, 2022
Примечания : Cited References: 3
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vyunisheva S. A., Myslivets S. A., Davletshin, Nikolay N., Eremeeva, Elena V., Vysotski, Eugene S., Pavlov, Igor N., Vyunishev A. M.
Заглавие : Intracavity enhancement of GFP fluorescence induced by femtosecond laser pulses
Колич.характеристики :5 с
Место публикации : Spectrochim. Acta A. - 2023. - Vol. 300. - Ст.122885. - ISSN 13861425 (ISSN), DOI 10.1016/j.saa.2023.122885. - ISSN 18733557 (eISSN)
Примечания : Cited References: 23
Аннотация: The phenomenon of fluorescence is widely used in molecular biology for studying the interaction of light with biological objects. In this article, we present an experimental investigation of the enhancement of laser-induced fluorescence of Clytia gregaria green fluorescent protein. The laser-induced fluorescence method applied in our work combines the advantages of femtosecond laser pulses and a photonic crystal cavity, with the time dependence of the fluorescence signal studied. It is shown that a green fluorescent protein solution placed in a microcavity and excited by femtosecond laser pulses leads to an increase in fluorescence on the microcavity modes, which can be estimated by two orders of magnitude. The dependences of fluorescence signal saturation on the average integrated optical pump power are demonstrated and analyzed. The results obtained are of interest for the development of potential applications of biophotonics and extension of convenient methods of laser-induced fluorescence.
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10.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Romanenko G. A., Pankin P. S., Buzin D. S., Krasnov A. I., Sutormin V. S., Nabol S. V., Tambasov I. A., Zelenov F. V., Masyugin A. N., Timofeev I. V.
Заглавие : Metal-dielectric optical microcavity with tunable Q-factor
Коллективы : International School and Conference on optoelectronics, photonics, engineering and nanostructures, Высшая школа экономики, НИУ, Санкт-Петербургский национальный исследовательский Академический университет имени Ж.И. Алфёрова Российской академии наук
Место публикации : 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures: book of abstracts. - Saint-Petersburg, 2022
Примечания : Cited References: 3. - This research was funded by the Russian Science Foundation (project no. 22-42-08003)
Аннотация: The article shows numerical calculation of the spectra for a metal-dielectric microcavity. The microcavity consists of a photonic crystal mirror, metallic mirror and a liquid crystal layer between them. It is shown that the system supports both symmetry-protected and Friedrich-Wintgen types of bound states in the continuum. The quality factor and position of resonant modes are effectively controlled by changing the system parameters or applying an external electric field to the liquid crystal layer.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Romanenko G. A., Pankin P. S., Buzin D. S., Maksimov D. N., Sutormin V. S., Krasnov A. I., Zelenov F. V., Masyugin A. N., Nedelin S. V., Zolotovskiy N. A., Tambasov I. A., Volochaev M. N., Chen K.-P., Timofeev I. V.
Заглавие : Metal–dielectric optical microcavity with tunable Q factor
Колич.характеристики :7 с
Место публикации : Appl. Phys. Lett. - 2023. - Vol. 123, Is. 6. - Ст.061113. - ISSN 00036951 (ISSN), DOI 10.1063/5.0157430. - ISSN 10773118 (eISSN)
Примечания : Cited References: 41. - The authors are grateful to Alexander S. Krylov (Kirensky Institute of Physics SB RAS) for helpful discussionsThis work was supported by the Russian Science Foundation under Grant No. 22-42-08003. This research was also funded by the National Science and Technology Council (NSTC 111-2923-E-007-008-MY3 and 111-2628-E-007-021)
Аннотация: We consider a layered metal–dielectric microcavity with a liquid crystal used as a resonator layer. The transformation of the microcavity spectra is shown experimentally using three methods, namely, mechanical rotation of the sample, heating, and applying external voltage. The obtained spectra exhibit multiple vanishing resonant lines. It is found the vanishing resonant lines are not a spectral manifestation of the bound state in the continuum for this system. Despite the absence of true bound states in the continuum, an experimental tuning of the resonance Q factor via changing the radiation loss rate is demonstrated through variation of the optical properties of the liquid crystal layer.
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Pankin P. S., Vetrov S. Ya., Timofeev I. V.
Заглавие : Flexibly tunable hybrid Tamm-microcavity state
Коллективы : European Conference on Liquid Crystals, Московский государственный университет им. М.В. Ломоносова
Место публикации : 14th Eur. Conf. Liq. Cryst. (ECLC): conf. programme. - 2017. - Ст.O63. - P.10
Примечания : Библиогр.: 3
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pankin P. S., Vetrov S. Ya., Timofeev I. V.
Заглавие : Tunable hybrid Tamm-microcavity states
Место публикации : J. Opt. Soc. Am. B. - 2017. - Vol. 34, Is. 12. - P.2633-2639. - ISSN 07403224 (ISSN), DOI 10.1364/JOSAB.34.002633
Примечания : Cited References: 50. - Russian Foundation for Basic Research (RFBR), Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund (17-42-240464); Scholarship of the President of the Russian Federation (SP-227.2016.5). P. S. P. acknowledges the support of the Scholarship of the President of the Russian Federation. The authors thank D. N. Gulkin and V. O. Bessonov for help and fruitful discussions.
Ключевые слова (''Своб.индексиров.''): 1-d photonic crystal--effect of temperature--external electric field--high sensitivity--isotropic state--microcavity modes--silver layer--transmission spectrums
Аннотация: Spectral manifestations of hybrid Tamm-microcavity modes in a 1D photonic crystal bounded with a silver layer and containing a nematic liquid crystal microcavity layer have been studied using numerical simulation. It is demonstrated that the hybrid modes can be effectively tuned owing to the high sensitivity of the liquid crystal to the temperature and external electric field variations. It is established that the effect of temperature on the transmission spectrum of the investigated structure is most pronounced at the point of the phase transition of the liquid crystal to the isotropic state, where the refractive index jump is observed.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krasnov A. I., Pankin P. S., Buzin D. S., Romanenko G. A., Sutormin V. S., Zelenov F. V., Masyugin A. N., Volochaev M. N., Vetrov S. Ya., Timofeev I. V.
Заглавие : Voltage-tunable Q factor in a photonic crystal microcavity
Место публикации : Opt. Lett. - 2023. - Vol. 48, Is. 7. - P.1666-1669. - ISSN 01469592 (ISSN), DOI 10.1364/OL.479431. - ISSN 15394794 (eISSN)
Примечания : Cited References: 52. - The authors are grateful to Dmitrii N. Maksimov and Sergey A. Myslivets for fruitful discussions. The authors thank the Krasnoyarsk Regional Center of Research Equipment of FRC KSC SB RAS for providing the equipment. This study was supported by the Russian Science Foundation, project no. 22-22-00687
Аннотация: A photonic crystal microcavity with a tunable quality factor (Q factor) has been implemented on the basis of a bound state in the continuum using the advanced liquid crystal cell technology platform. It has been shown that the Q factor of the microcavity changes from 100 to 360 in the voltage range of 0.6 V.
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15.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Вьюнышева, Софья Александровна, Мысливец, Сергей Александрович, Давлетшин, Николай Николаевич, Еремеева Е. В., Высоцкий, Евгений Степанович, Павлов И. Н., Вьюнышев, Андрей Михайлович
Заглавие : Способ усиления флуоресценции GFP в микрорезонаторе Фабри-Перо под действием фемтосекундных лазерных импульсов
Коллективы : Mеждународная конференция по голографии и оптическим технологиям
Место публикации : HOLOEXPO 2023: 20-я Mеждународная конференция по голографии и оптическим технологиям: тезисы докладов. - СПб.: Изд-во СПбГЭТУ «ЛЭТИ», 2023. - С. 110-112. - ISBN 978-5-7629-3209-7
Примечания : Библиогр.: 3
Аннотация: Приведены результаты экспериментального исследования усиления лазерно- индуцированной флуоресценции cgreGFPв микрорезонаторе Фабри-Перо под действием фемтосекундных лазерных импульсов. Показано, что возбуждение белкового раствора фемтосекундным излучением приводит к усилению флуоресцентного сигнала на два порядка на спектральных частотах, соответствующих модам резонатора. Техники лазерно- индуцированной флуоресценции могут привести к разработке новых методов высококонтрастной микроскопии и получения гиперспектральных изображений в биомедицинских приложениях.The results of an experimental study of the enhancement of laser-induced cgreGFP fluorescence in Fabry-Perot microcavity under femtosecond laser pulses are presented. The excitation of a protein solution by femtosecond radiation is shown to lead to an increase in the fluorescent signal by two orders of magnitude at spectral frequencies corresponding to the cavity modes. Laser-induced fluorescence techniques are likely to result in the development of new methods for high-contrast microscopy and hyperspectral imaging in biomedical applications.
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