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Educational Programme
Final Grade
Year of Graduation
Mikhail Davydchenko
Microstrip Superconducting Resonators from NbN Film
Applied Physics
(Master’s programme)

Theme: "Microstrip superconducting resonators from NbN film".

Improvements in nanoscale production, as well as methods of spectroscopic characteristics, will greatly accelerate the development of quantum technologies.

Devices of frequency selection, in the first place, are resonators whose frequency depends on their design. Resonators of the terahertz range are used as a narrow-band filter or filter element that makes it one of the most important passive microelectronic components of this microwave range. The use of microstrip film structures in resonators has the potential to study quantum two-level fluctuations, and also, it will allow analyzing the loss mechanisms inherent in the main materials and reducing the noise signal by 1000 or more times, and also reducing the transmission bandwidth by a factor of 10.

Microstrip line technology can be used to create integrated nanophotonic circuits that are designed for use in scalable quantum logic systems.

Such single-photon systems can have the following set of applications:

a) Creation of images in biomedical systems;

b) Spectroscopy of correlated photons emitted in the luminescence of single molecules;

c) Application in dynamic optical reflectometry and tomography;

d) Non-destructive testing of large integrated circuits, based on recording ultra-weak thermal radiation that occurs when switching transistors.

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