Персона: Крюкова, Ирина Сергеевна
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Инженерно-физический институт биомедицины
Цель ИФИБ и стратегия развития – это подготовка высококвалифицированных кадров на базе передовых исследований и разработок новых перспективных методов и материалов в области инженерно-физической биомедицины. Занятие лидерских позиций в биомедицинских технологиях XXI века и внедрение их в образовательный процесс, что отвечает решению практикоориентированной задачи мирового уровня – диагностике и терапии на клеточном уровне социально-значимых заболеваний человека.
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Ирина Сергеевна
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- ПубликацияТолько метаданныеPolariton-assisted emission of strongly coupled organic dye excitons in a tunable optical microcavity(2019) Mochalov, K.; Dovzhenko, D.; Vaskan, I.; Kryukova, I.; Rakovich, Y.; Nabiev, I.; Крюкова, Ирина Сергеевна; Набиев, Игорь Руфаилович© 2019 SPIE.Light-matter coupling between the molecular dipole transitions and a confined electromagnetic field provides the ability to control the fundamental properties of coupled matter. The use of tunable optical microcavities for electromagnetic field confinement allows one to affect the coupled state properties in a controllable manner, whereas the coupling strength in this system strongly depends on the transition dipole moment and a mode volume of the cavity. In this study we have demonstrated controllable emission of Rhodamine 6G organic molecules with relatively low and unoriented dipole moments in a strong coupling regime by placing them into a tunable Fabry-Perot microcavity.
- ПубликацияТолько метаданныеRabi splitting of broadband emission of strongly coupled organic dye excitons in tunable optical microcavity(2019) Dovzhenko, D.; Vaskan, I.; Kriukova, I.; Rakovich, Y.; Nabiev, I.; Крюкова, Ирина Сергеевна; Набиев, Игорь Руфаилович
- ПубликацияТолько метаданныеEnhanced spontaneous emission from two-photon-pumped quantum dots in a porous silicon microcavity(2020) Dovzhenko, D.; Krivenkov, V.; Kriukova, I.; Samokhvalov, P.; Nabiev, I.; Крюкова, Ирина Сергеевна; Самохвалов, Павел Сергеевич; Набиев, Игорь РуфаиловичPhotoluminescence (PL)-based sensing techniques have been significantly developed in practice due to their key advantages in terms of sensitivity and versatility of the approach. Recently, various nanostructured and hybrid materials have been used to improve the PL quantum yield and the spectral resolution. The near-infrared (NIR) fluorescence excitation has attracted much attention because it offers deep tissue penetration and it avoids the autofluorescence of the biological samples. In our study, we have shown both spectral and temporal PL modifications under two-photon excitation of quantum dots (QDs) placed in one-dimensional porous silicon photonic crystal (PhC) microcavities. We have demonstrated an up-to-4.3-fold Purcell enhancement of the radiative relaxation rate under two-photon excitation. The data show that the use of porous silicon PhC microcavities operating in the weak coupling regime permits the enhancement of the PL quantum yield of QDs under two-photon excitation, thus extending the limits of their biosensing applications in the NIR region of the optical spectrum. (C) 2020 Optical Society of America