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MERI scientist was awarded the honorary diploma of the International School and Conference "Saint-Petersburg OPEN"

30.05.2019
On April 22 at the 6th International School and Conference "Saint-Petersburg OPEN 2019" on Optoelectronics, Photonics, Engineering and Nanostructures MERI’s scientists presented their report on radiophotonics. The scientific report was awarded an honorary diploma for the best presentation. Radiophotonics is a relatively new discipline at the cross-sector of photonics and microelectronics that deals with both theoretical and practical problems of microwave signal transmitting and conversion using optic carrier in specially created optic environment (using microelectronics methods as well) without external electronic control. The main particles in that case are not electrons and holes, but photons – the quanta of light. Radiophotonics’ principles allow us to create more powerful and efficient elements in a wide frequency range.

The conference was held by St. Petersburg Academic University of the Russian Academy of Sciences in collaboration with ITMO University (Saint Petersburg National Research University of Information Technologies, Mechanics and Optics) and Ioffe Physical-Technical Institute of the Russian Academy of Sciences.

The work of Ramil Minnullin, Mikhail Barabanenkov, Alexander Italyantsev “Total reflection of near infrared range wave from subwavelength silicon 1D photonic crystal with small packing density” was noted by the expert committee as one of the 26 best out of 300 papers. The honorary diploma was presented to the speaker, Junior Research Assistant of MERI functional electronics department Ramil Minnullin.

The paper presents the theoretical calculation results of a device operating in near IR range (wavelength about 1.5μm). The device consists of one line of parallel silicon threads (other materials are also promising) with about 100nm  diameter. In reality it can look like a common tissue. The feature of such a tissue is that with small packing density (less than 10%) it fully reflects the rays at wavelength of 1.55μm with one polarization like an absolute mirror and transmits the same rays  but with another polarization like a polarizator. Using different materials it is possible to achieve a very small packing density, e.g. 1% for Germanium threads. The tissue made from several layers provides with new special features.

The reports noted by the committee will be published in Journal of Physics: Conference Series http://iopscience.iop.org/issue/1742-6596/1124/1

Note:
The International School and Conference "Saint-Petersburg OPEN 2019" on Optoelectronics, Photonics, Engineering and Nanostructures (previously headed by Nobel laureate Zhores Alferov) was organized by St. Petersburg Academic University of the Russian Academy of Sciences for students, post-graduate students and young researchers. The Conference program implies: leading world scientists’ reports in order to introduce the up-to-date tasks and achievements in physics and technologies to the young generation of researchers; and the posters session. All the approved papers will be published in IOP Journal of Physics: Conference Series.  

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