Spectral Properties of Three-Dimensional Waveguide Structures Fabricated by Two-Photon Laser Lithography. - Maydykovskiy, A. I.; Androsov, A. S.; Apostolov, D. O.; Smirnov, K. A.; Batuev, I. O.; Murzina, T. V. (JETP Letters, 2024)