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Bakhvalova, T., Belkin, M. E., Kovalyuk, V. V., Prokhodtcov, A. I., Goltsman, G. N., & Sigov, A. S. (2019). Studying key principles for design and fabrication of silicon photonic-based beamforming networks. In PIERS-Spring (pp. 745–751).
Abstract: In the paper, we address key principles for computer-aided design and fabrication of silicon-photonics-based optical beamforming network selecting the optimal approach by simulation and experimental results. To clarify the consideration, the study is conducted on the example of a widely used binary switchable silicon-nitride optical beamforming network based on TriPleX platform. Comparison of simulation results and experimental studies of the prototype shows that the relative error due to technological imperfections does not exceed 3%. According to the estimation, such an error introduces insignificant distortion in the radiation pattern of the referred antenna array.