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Polarization-controlled selective excitation of Mie resonances of dielectric nanoparticle on a coated substrate
D. A. Pidgayko, Z. F. Sadrieva, K. S. Ladutenko +1
High-index spherical nanoparticles with low material losses support sharp high-Q electric and magnetic resonances and exhibit a number of interesting optical phenomena. Development…
Multipolar engineering of subwavelength dielectric particles for scattering enhancement
S. D. Krasikov, M. A. Odit, D. A. Dobrykh +8
Electromagnetic scattering on subwavelength structures keeps attracting attention owing to abroad range of possible applications, where this phenomenon is in use. Fundamental limit…
Observation of an accidental bound state in the continuum in a chain of dielectric disks
M. S. Sidorenko, O. N. Sergaeva, Z. F. Sadrieva +4
Being a general wave phenomenon, bound states in the continuum (BICs) appear in acoustic, hydrodynamic, and photonic systems of various dimensionalities. Here, we report the first…
Multipole engineering for enhanced backscattering modulation
Dmitry Dobrykh, Diana Shakirova, Sergey Krasikov +6
An efficient modulation of backscattered energy is one of the key requirements for enabling efficient wireless communication channels. Typical architectures, being based on either…
Observation of supercavity modes in subwavelength dielectric resonators
Mikhail Odit, Kirill Koshelev, Sergey Gladyshev +3
Electromagnetic response of dielectric resonators with high refractive index is governed by optically induced electric and magnetic Mie resonances facilitating confinement of light…
Photonic bound states in the continuum in Si structures with the self-assembled Ge nanoislands
Sergey A. Dyakov, Margarita V. Stepikhova, Andrey A. Bogdanov +5
Germanium self-assembled nanoislands and quantum dots are very prospective for CMOS-compatible optoelectronic integrated circuits but their luminescence intensity is still insuffic…
Optical bistability with bound states in the continuum in dielectric gratings
Dmitrii N. Maksimov, Andrey A. Bogdanov, Evgeny N. Bulgakov
We consider light scattering by dielectric gratings supporting optical bound states in the continuum. Due to the presence of instantaneous Kerr nonlinearity the critical field enha…
Long-range miniature ceramic RFID tags
Dmitry Dobrykh, Ildar Yusupov, Sergey Krasikov +6
Radio frequency identification (RFID) is a mature technology, which allows performing contactless data readout via wireless communication links. While communication protocols in th…
Perfect absorption of a focused light beam by a single nanoparticle
Alexey Proskurin, Andrey Bogdanov, Denis G. Baranov
Absorption of electromagnetic energy by a dissipative material is one of the most fundamental electromagnetic processes that underlies a plethora of applied problems, including sen…
Symmetry analysis and multipole classification of eigenmodes in electromagnetic resonators for engineering their optical properties
Sergey Gladyshev, Kristina Frizyuk, Andrey Bogdanov
The resonator is one of the main building blocks of a plethora of photonic and microwave devices from nanolasers to compact biosensors and magnetic resonance scanners. The symmetry…