[1] [1] Liu, S.P., Feng, J.B., Tian, Y., Zhao, H., Jin, L., Ouyang, B.L., Zhu, J.G., Guo, J.: Thermo-optic phase shifters based on siliconon-insulator platform: state-of-the-art and a review. Front. Optoelectron. 15(1), 9 (2022)

[2] [2] Seiler, P.M., Georgieva, G., Winzer, G., Peczek, A., Voigt, K., Lischke, S., Fatemi, A., Zimmermann, L.: Toward coherent O-band data center interconnects. Front. Optoelectron. 14(4), 414–425(2021)

[3] [3] Qiu, C.Y., Xiao, H.F., Wang, L.H., Tian, Y.H.: Recent advances in integrated optical directed logic operations for high performance optical computing: a review. Front. Optoelectron. 15(1), 1 (2022)

[4] [4] Adcock, J.C., Ding, Y.H.: Quantum prospects for hybrid thin-film lithium niobate on silicon photonics. Front. Optoelectron. 15(1), 7 (2022)

[5] [5] Tan, M., Wang, Y.H., Wang, X.Z., Yu, Y., Zhang, X.L.: Circuitlevel convergence of electronics and photonics: basic concepts and recent advances. Front. Optoelectron. 15(1), 16 (2022)

[6] [6] Cheng, J.W., Zhao, Y.H., Zhang, W.K., Zhou, H.L., Huang, D.M., Dong, J.J., Zhang, X.L.: A small microring array that performs large complex-valued matrix-vector multiplication. Front. Optoelectron. 15(1), 15 (2022)

[7] [7] Georgieva, G., Mai, C., Seiler, P.M., Peczek, A., Zimmermann, L.: Dual-polarization multiplexing amorphous Si:H grating couplers for silicon photonic transmitters in the photonic BiCMOS backend of line. Front. Optoelectron. 15(1), 13 (2022)

[8] [8] Tao, Z.H., Wang, B., Bai, B.W., Chen, R.X., Shu, H.W., Zhang, X.G., Wang, X.J.: An ultra-compact polarization-insensitive slotstrip mode converter. Front. Optoelectron. 15(1), 5 (2022)

[9] [9] Ma, C., Hou, J., Yang, C.Y., Shi, M., Chen, S.P.: Complete photonic bandgap in a silicon nitride slab by utilizing the effective index difference between polarizations. Front. Optoelectron. 15(1), 20 (2022)