**4. Conclusions**


**Author Contributions:** The results presented in this paper were obtained in the framework of a PhD thesis by M.Š., who was supervised by A.B. The experimental measurements performed at the Laboratory of Electronic Sytems, Center for Physical Sciences and Technology were supervised by M.Š., V.B., N.P. and A.D. The conceptualization was introduced by S.P., A.B., V.M. and E.B. All authors contributed to the writing of this paper as well as the analysis of the results. All authors have read and agreed to the published version of the manuscript.

**Funding:** The paper is funded by UAB Lietpak and UAB Navitus under Grant No. 3400-S510.

**Acknowledgments:** This work was supported, in part, by UAB Lietpak and UAB Navitus under Grant No. 3400-S510.

**Conflicts of Interest:** The authors declare no conflict of interest.
