[1] [1] Wang C, Zhang M, Chen X, et al. Integrated lithium niobate electro-optic modulators operating at CMOS-compatible voltages［J］. Nature, 2018, 562(7725): 101-104.

[2] [2] Rao A, Fathpour S. Compact lithium niobate electroopticmodulators［J］. IEEE J. of Sel. Topics in Quantum Electronics, 2017, 24(4): 1-14.

[3] [3] Qi Y, Li Y. Integrated lithium niobate photonics［J］. Nanophotonics, 2020, 9(6): 1287-1320.

[4] [4] Singh S, Arya S K, Singla S. Mitigating the effects of non-linear distortion using polarizers in microwave photonic link［J］. J. of Optical Communications, 2021, 42(3): 521-526.

[5] [5] Shaqiri S, Haxha S. Linearization and down-conversion of microwave photonics signal based on dual-drive dual-parallel Mach-Zehnder modulator with eliminated 3rd intermodulation and 2nd distortions［J］. Optik, 2020, 204(C): 164103.

[6] [6] Bottenfield C G, Thomas V A, Ralph S E. Silicon photonic modulator linearity and optimization for microwave photonic links［J］. IEEE J. of Sel. Topics in Quantum Electronics, 2019, 25(5): 1-10.

[7] [7] Hong J, Chen D, Peng Z, et al. Cross-correlation technology for decreasing the noise figure of microwave photonic link［J］. Optik, 2018, 169: 208-213.

[9] [9] Jin Y, Shi X, Zang C, et al. A novel design of Mach-Zehnder modulator bias controller based on pilot tone method［J］. J. of Physics Conf. Series, 2020, 1486: 072070.