Společný projekt 3 pracovišť (VUT FSI, ČVUT FJFI, ÚFE AVČR) zaměřený na teoretický výzkum vybraných typů pokročilých nanofotonických a plazmonických struktur v těchto oblastech: (1) subvlnovové periodické a kvaziperiodické vlnovodné struktury, (2) aktivní a nelineární struktury, zejména struktury s PT symetrií (3) nelokální interakce a plazmonické struktury, (4) vývoj speciálních numerických metod, umožnujících simulace výše uvedených typů struktur.

Description in English
Modern photonics and plasmonics belong to the most dynamically evolving branches of contemporary applied physics with strong impact on a broad range of human activities. This joint project of the Czech Technical University in Prague, Institute of Photonics and Electronics CAS, and Brno University of Technology is primarily focused at the theoretical analysis and numerical simulations of unconventional phenomena and novel advanced functionalities of subwavelength (SW) photonic and plasmonic structures. The main areas of research addressed in this project include (1) subwavelength guided-wave structures with periodic and quasiperiodic modulation, (2) properties of active and nonlinear subwavelength structures, including PT-symmetric systems with gain / loss modulation, (3) nonlocal plasmonic processes and resonances, and (4) development of physical models and implementation of up-to-date specific advanced numerical techniques, required for solving previous goals. Strong participation of undergraduate and graduate students and application of results in education is also envisaged.

Keywords
nano, plazma, subvlnové struktury

Key words in English
photonics, plasmonics, subwavelength structure, surface plasmon, subwavelength grating waveguide, gain-loss structure, PT symmetry, Kerr nonlinearity, nonlocality, Fourier modal method, FDTD

19-00062S

Czech

Petráček Jiří, prof. RNDr., Dr. - principal person responsible

Institute of Physical Engineering
- responsible department (4.4.2018 - not assigned)
Institute of Physical Engineering
- co-beneficiary (4.4.2018 - not assigned)
The Czech Academy of Sciences
- co-beneficiary (1.1.2019 - 31.12.2021)

PETRÁČEK, J.; KUZMIAK, V.; ČTYROKÝ, J.; RICHTER, I. Guiding light through quasi-TE modes embedded in the radiation continuum. OPTICS LETTERS, 2023, vol. 48, no. 13, p. 3463-3466. ISSN: 0146-9592.
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ČTYROKÝ, J.; PETRÁČEK, J.; KUZMIAK, V.; RICHTER, I. Bound modes in the continuum in integrated photonic LiNbO3 waveguides: are they always beneficial?. OPTICS EXPRESS, 2023, vol. 31, no. 1, p. 44-55. ISSN: 1094-4087.
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PETRÁČEK, J.; KUZMIAK, V. Bound states in the continuum in waveguide arrays within a symmetry classification scheme. OPTICS EXPRESS, 2022, vol. 30, no. 20, p. 35712-35724. ISSN: 1094-4087.
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PETRÁČEK, J.; ČTYROKÝ, J.; KUZMIAK, V.;KWIECIEN, P.; RICHTER, I. Coupling of optical waveguide mode to graphene plasmonic modes. Nanophotonics of 2D Materials, Benasque, 7-13, November, 2021. 2021.
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KUZMIAK, V.; PETRÁČEK, J.; ČTYROKÝ, J.; KWIECIEN, P.; RICHTER, I. Perturbation approach for solving graphene on an optical waveguide. Nanophotonics of 2D Materials, Benasque, 7-13, November, 2021. 2021.
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PETRÁČEK, J.; ČTYROKÝ, J.; KUZMIAK, V.;KWIECIEN, P.; RICHTER, I. Coupling of waveguide mode and graphene plasmons. EPJ Web of Conferences, 2021, vol. 255, no. November, p. 07002-1 (07002-4 p.)ISSN: 2100-014X.
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KUZMIAK, V.; PETRÁČEK, J. BIC in waveguide arrays. EPJ Web of Conferences, 2021, vol. 255, no. November, p. 07001-1 (07001-4 p.)ISSN: 2100-014X.
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ČTYROKÝ, J.; PETRÁČEK, J. Photonic integrated circuits with bound states in the continuum: comment. Optica, 2022, vol. 9, no. 7, p. 681-682. ISSN: 2334-2536.
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PETRÁČEK, J.; KUZMIAK, V. Effect of symmetry breaking on bound states in the continuum in waveguide arrays. Physical Review A, 2022, vol. 105, no. 6, p. 063505-1 (063505-7 p.)ISSN: 2469-9926.
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ČTYROKÝ, J.; PETRÁČEK, J.; KUZMIAK, V.; KWIECIEN, P.; RICHTER, I. Silicon waveguides with graphene: coupling of waveguide mode to surface plasmons. JOURNAL OF OPTICS, 2020, vol. 22, no. 9, p. 095801-1 (095801-8 p.)ISSN: 2040-8978.
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ČTYROKÝ, J.; PETRÁČEK, J.; KWIECIEN, P.; RICHTER, I; KUZMIAK, V. Graphene on an optical waveguide: comparison of simulation approaches. Optical and Quantum Electronics, 2020, vol. 52, no. 3, p. 149-1 (149-14 p.)ISSN: 0306-8919.
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KUZMIAK, V.; PETRÁČEK, J. Topological edge states in coupled photonic waveguides under periodic driving. 2019. p. 15-15.
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PETRÁČEK, J.; CUCINOTTA, A.; POLI, F.; SELLERI S. Transverse Mode Instability in High-Power Fiber Amplifiers through the Coupled-Mode Theory. PhotonIcs & Electromagnetics Research Symposium (PIERS 2019), Rome, 17 - 20 June 2019. 2019. p. 1274-1275.
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PETRÁČEK, J.; KUZMIAK, V. Floquet edge states in coupled photonic waveguides. PhotonIcs & Electromagnetics Research Symposium (PIERS 2019), Rome. 2019. p. 2327-2327.
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ČTYROKÝ, J.; KWIECIEN, P.; PETRÁČEK, J.; KUZMIAK, V.; RICHTER, I. Graphene on an optical waveguide - comparison of simulation approaches. International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling, Malaga, 10-11 May 2019. 2019. p. 18-18.
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PETRÁČEK, J.; KUZMIAK, V. Edge states in photonic lattices under periodic driving. International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling, Malaga, 10-11 May 2019. 2019. p. 16-16.
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PETRÁČEK, J.; KUZMIAK, V. Dynamics and transport properties of Floquet topological edge modes in coupled photonic waveguides. Physical Review A, 2020, vol. 101, no. 3, p. 1-10. ISSN: 2469-9926.
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Responsibility: Petráček Jiří, prof. RNDr., Dr.