[1] Capmany J, Novak D. Microwave photonics combines two worlds[J]. Nature Photonics, 1, 319-330(2007).

[2] He Gang, Qu Pengfei, Sun Lijun. Application status and trend of microwave photonic technology[J]. Semiconductor Optoelectronics, 38, 627-632(2017).

[3] Berceli T, Herczfeld P. Microwave photonics—a historical perspective[J]. IEEE Transactions on Microwave Theory & Techniques, 58, 2992-3000(2010).

[4] Xiao Yongchuan, Wang Chao, Zhang Hao, et al. Improvement of transmission efficiency in microwave photonic links using edfa[J]. Chinese Optics, 13, 1-6(2020).

[5] Wang Guodong, Zhao Shanghong, Li Xuan, et al. Optical generation scheme of microwave signals with multiple modulation formats[J]. Infrared and Laser Engineering, 48, 0622002(2019).

[6] Xie Taoran, Wang Zhaoying, Yuan Quan, et al. Generation of THz signal based on recirculating frequency-shifting loop with tunable frequency multiplication factor[J]. Infrared and Laser Engineering, 48, S125001(2019).

[7] Chen Dingyue, Zhang Yonghui, Zhou Renkui, et al. Precision conveyance of microwave photon transmit electricity[J]. Optics and Precision Engineering, 23, 210-215(2015).

[8] Li Xiang, Wang Yalan, Ni Zizheng, et al. Broadband microwave frequency down-conversion using cascade Mach-Zehnder modulators to capture the target distance information[J]. Optics and Precision Engineering, 28, 2622-2629(2020).

[9] Ghelfi P, Laghezza F, Scotti F, et al. A fully photonics-based coherent radar system[J]. Nature, 507, 341-345(2014).

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

[11] Qian Guang, Qian Kun, Gu Xiaowen, et al. Integrated chip technologies for microwave photonics[J]. Journal of Radars, 8, 262-280(2019).

[12] Zou X H, Zou F, Cao Z Z, et al. A Multifunctional photonic integrated circuit for diverse microwave signal generation, transmission and processing[J]. Laser & Photonics Reviews, 13, 1800240(2019).

[13] [13] Sun X P, Gao X Y. 45° fiber array: CN110579841A [P]. 20191217.