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Lobanov, Y. V., Vakhtomin, Y. B., Pentin, I. V., Khabibullin, R. A., Shchavruk, N. V., Smirnov, K. V., et al. (2018). Characterization of the THz quantum cascade laser using fast superconducting hot electron bolometer. EPJ Web Conf., 195, 04004 (1 to 2).
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Kroug, M., Yagoubov, P., Gol'tsman, G., & Kollberg, E. (1997). NbN quasioptical phonon cooled hot electron bolometric mixers at THz frequencies. In Inst. Phys. Conf. Ser. (Vol. 1, pp. 405–408). Bristol.
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Kuzin, A., Elmanov, I., Kovalyuk, V., An, P., & Goltsman, G. (2020). Silicon nitride focusing grating coupler for input and output light of NV-centers. In Proc. 32-nd EMSS (pp. 349–353).
Abstract: Here we presented the numerical results for the calculation of focusing grating coupler efficiency in the visible wavelength range. Using the finite element method, the optimal geometric parameters, including filling factor and grating period for a central wavelength of 637 nm, were found. Obtained results allow to input/output single-photon radiation from NV-centers, and can be used for research and development of a scalable on-chip quantum optical computing.
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Elmanov, I., Elmanova, A., Kovalyuk, V., An, P., & Goltsman, G. (2020). Integrated contra-directional coupler for NV-centers photon filtering. In Proc. 32-nd EMSS (pp. 354–360).
Abstract: We modelled an integrated optical contra-directional coupler on silicon nitride platform. Performance of the filter was studied depending on different parameters, including the grating period and the height of teeth of the Bragg grating near 637 nm operation wavelength. The obtained results can be used for a design and fabrication of quantum photonic integrated circuits with on-chip single-photon NV-centers in nanodiamonds.
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Elmanov, I., Elmanova, A., Kovalyuk, V., An, P., & Goltsman, G. (2020). Silicon nitride photonic crystal cavity coupled with NV-centers in nanodiamonds. In Proc. 32-nd EMSS (pp. 344–348).
Abstract: The development of integrated quantum photonics requires a high efficient excitation and coupling of a single photon source with on-chip devices. In this paper, we show our results of modelling for high-Q photonic crystal cavity, optimized for zero phonon line emission of NV-centers in nanodiamonds. Modelling was performed for the silicon nitride platform and obtained a quality factor equals to 6136 at 637 nm wavelength.
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