[1] SERAFINO G, PORZI C, HUSSAIN B, et al. High-performance beamforming network based on si-photonics phase shifters for wideband communications and radar applications[J]. IEEE Journal of Selected Topics in Quantum Electronics, 26, 6101011(2020).

[2] CHEN D, MA J X. Microwave photonic up- and down-converter with tunable phase shift based on an integrated dual-polarization dual-parallel Mach-Zehnder modulator without optically filtering[J]. Fiber and Integrated Optics, 39, 97-107(2020).

[3] GAO Y SH, WEN A J, TU ZH Y, et al. Simultaneously photonic frequency downconversion, multichannel phase shifting, and IQ demodulation for wideband microwave signals[J]. Optics Letters, 41, 4484-4487(2016).

[4] CHEN Y. A wideband photonic microwave phase shifter with 360-degree phase tunable range based on a DP-QPSK modulator[J]. Optics Communications, 410, 787-792(2018).

[5] ZHANG Y M, PAN SH L. Broadband microwave signal processing enabled by polarization-based photonic microwave phase shifters[J]. IEEE Journal of Quantum Electronics, 54, 0700112(2018).

[6] LI H, ZHAO SH H, LIN T, et al. A filterless reconfigurable frequency mixer based on a wideband photonic microwave phase shifter[J]. Optics Communications, 475, 126224(2020).

[7] LIN D D, XU X M, ZHENG P F, et al. A high-performance microwave photonic phase shifter based on cascaded silicon nitride microrings[J]. IEEE Photonics Technology Letters, 32, 1265-1268(2020).

[8] ZHANG Y M, LI ZH Y, CHEN W J, et al. Broadband image-reject mixing based on a polarization-modulated dual-channel photonic microwave phase shifter[J]. IEEE Photonics Journal, 12, 7800409(2020).

[9] CHEW S X, SONG SH J, LI L W, et al. Inline microring resonator based microwave photonic phase shifter with self-mitigation of RF power variations[J]. Journal of Lightwave Technology, 40, 442-451(2022).

[10] HUANG CH J, CHAN E H W. Photonic-assisted microwave frequency and phase shifter for deception jamming[J]. IEEE Photonics Journal, 13, 7100110(2021).

[11] MCKAY L, MERKLEIN M, CHOUDHARY A, et al. Broadband Brillouin phase shifter utilizing rf interference: experimental demonstration and theoretical analysis[J]. Journal of Lightwave Technology, 38, 3624-3636(2020).

[12] BAI Y P, LEI M ZH, ZHENG ZH N, et al. Wideband and dispersion immune microwave photonic phase shifter with tunable optical carrier to sideband ratio[J]. Journal of Lightwave Technology, 38, 5262-5269(2020).

[13] WANG X D, ZHANG J L, CHAN E H W, et al. Ultra-wide bandwidth photonic microwave phase shifter with amplitude control function[J]. Optics Express, 25, 2883-2894(2017).

[14] GUO ZH T, MA J X. Microwave photonic phase shifter with a full 360-deg tunable range based on polarization sensitive electro-optical phase modulator and polarization modulator[J]. Optical Engineering, 57, 086109(2018).

[15] [15] TANG J, LI M, GUZZON R S, et al.. Wideb continuously tunable microwave photonic phase shifter based on an active InPInGaAsP micring resonat[C]. 2019 International Topical Meeting on Microwave Photonics (MWP), IEEE, 2019: 7477.

[16] WANG X D, CHAN E H W, MINASIAN R A. All-optical photonic microwave phase shifter based on an optical filter with a nonlinear phase response[J]. Journal of Lightwave Technology, 31, 3323-3330(2013).

[17] WANG X D, CHAN E H W, MINASIAN R A. Optical-to-RF phase shift conversion-based microwave photonic phase shifter using a fiber Bragg grating[J]. Optics Letters, 39, 142-145(2014).

[18] WANG W L, WEN A J, TU ZH Y, et al. Tunable 360° microwave photonic multichannel phase shifter with frequency quadrupling[J]. Applied Optics, 57, 4751-4755(2018).

[19] FENG ZH H, FU S N, MING T, et al. Multichannel continuously tunable microwave phase shifter with capability of frequency doubling[J]. IEEE Photonics Journal, 6, 5500108(2014).

[20] LI Y Q, PEI L, LI J, et al. Filter-less frequency-doubling microwave signal generator with tunable phase shift[J]. Optics Communications, 370, 91-97(2016).

[21] GUO ZH T, MA J X, HUANG SH G, et al. Microwave photonic phase shifter based on an integrated dual-polarization dual-parallel Mach-Zehnder modulator without optical filter[J]. Fiber and Integrated Optics, 38, 208-217(2019).

[22] [22] ZHANG C H, QIU X J, WEI Y F, et al.. Frequencyquadrupled microwave signal generation with tunable phase shift employing no optical filter[C]. 2018 IEEE 3rd Optoelectronics Global Conference (OGC), IEEE, 2018: 150154.

[23] ZHANG Y M, PAN SH L. Frequency-multiplying microwave photonic phase shifter for independent multichannel phase shifting[J]. Optics Letters, 41, 1261-1264(2016).

[24] LI H, ZHAO SH H, LIN T, et al. Generation of tunable frequency-multiplication factor signal with full range phase shift based on a DPMZM[J]. Optics Communications, 458, 124802(2020).

[25] HAN Y SH, ZHAO B S, LUO W J, et al. A photonic microwave phase-shifting system with continuously tunable phase shift and frequency multiplication factor[J]. Acta Photonica Sinica, 49, 0606001(2020).

[26] ZHANG F W, CHEN F SH, QIU K W, et al. Broadband Ti: LiNbO₃ modulator with low frequency chirp[J]. Journal of Optoelectronics·Laser, 15, 1016-1020(2004).

[27] XUE J H, LU H W. Design of asymmetric interleavers based on 2 ×2 and 3 ×3 fiber couplers[J]. Study on Optical Communications, 24-26(2013).