[1] Nicolodi D, Bouchand R, Lours M et al. Ultra-low phase noise frequency-comb-based microwave generation and characterization[C], 1-3(2016).
[2] Wang W T, Liu J G, Sun W H et al. Multi-band local microwave signal generation based on an optical frequency comb generator[J]. Optics Communications, 338, 90-94(2015).
[3] Yang X W, Xu K, Yin J et al. Optical frequency comb based multi-band microwave frequency conversion for satellite applications[J]. Optics Express, 22, 869-877(2014).
[4] Li Q L, Jiang W S, Xu Y F et al. Analysis and design of wide-band comb generator based on SRD[C], 1-3(2012).
[5] Hagmann M J, Taylor A J, Yarotski D A. Observation of 200th harmonic with fractional linewidth of 10-10 in a microwave frequency comb generated in a tunneling junction[J]. Applied Physics Letters, 101, 241102(2012).
[6] Hagmann M J, Stenger F S, Yarotski D A. Linewidth of the harmonics in a microwave frequency comb generated by focusing a mode-locked ultrafast laser on a tunneling junction[J]. Journal of Applied Physics, 114, 223107(2013).
[7] Giannakidis K, Sgourenas S, Kanteres A et al. A 17.5‒22.5 GHz fractional: N wideband frequency synthesizer in 65 nm CMOS technology[C], 209-212(2016).
[8] Lilis G N, Park J, Lee W et al. Harmonic generation using nonlinear LC lattices[J]. IEEE Transactions on Microwave Theory and Techniques, 58, 1713-1723(2010).
[9] Deng Z C, Yao J P. Photonic generation of microwave signal using a rational harmonic mode-locked fiber ring laser[J]. IEEE Transactions on Microwave Theory and Techniques, 54, 763-767(2006).
[10] Hagmann M J, Henage T E, Azad A K et al. Frequency comb from 500 Hz to 2 THz by optical rectification in zinc telluride[J]. Electronics Letters, 49, 1459-1460(2013).
[11] Shao Q. Research on the generation technology of optical frequency comb based on external modulation and microwave frequency comb[D](2016).
[12] Wu D X, Xue X X, Li S Y et al. Photonic generation of multi-frequency phase-coded microwave signal based on a dual-output Mach-Zehnder modulator and balanced detection[J]. Optics Express, 25, 14516-14523(2017).
[13] Liu Q. Research of microwave frequency comb generation technology based on optical recirculating acousto-optic frequency shift[D](2018).
[14] Chan S C, Xia G Q, Liu J M. Optical generation of a precise microwave frequency comb by harmonic frequency locking[J]. Optics Letters, 32, 1917-1919(2007).
[15] Zhao M R, Wu Z M, Deng T et al. Tunable and broadband microwave frequency combs based on a semiconductor laser with incoherent optical feedback[J]. Chinese Physics B, 24, 054207(2015).
[16] Fan L, Xia G Q, Tang X et al. Tunable ultra-broadband microwave frequency combs generation based on a current modulated semiconductor laser under optical injection[J]. IEEE Access, 5, 17764-17771(2017).
[17] Ma Y N, Huang T T, Wang W R et al. Tunable microwave frequency comb generation based on double-loop mixing-frequency optoelectronic oscillator[J]. Acta Physica Sinica, 67, 238401(2018).
[18] Fang J, Wang J, Yu J L et al. A tunable optoelectronic oscillator based on laser external modulation[J]. Laser & Infrared, 50, 592-597(2020).
[19] Liu L, Yu J L, Wang J et al. Linear frequency-modulated signal generation based on optoelectronic oscillator combined with electrical frequency-selected cavity[J]. Laser & Optoelectronics Progress, 57, 032301(2020).
[20] Wu B, Yang B J. Research on principle and stability of actively mode-locked erbium-doped fiber ring laser[J]. Photon Technology, 124-127, 130(2005).
[21] Shi Y H, Cheng Z C, Peng Z G et al. Sub-picosecond NALM mode-locked fiber laser with 21 MHz‒100 kHz repetition rate[J]. Chinese Journal of Lasers, 48, 0501013(2021).
[22] Han D D, Zhang J Y, Gao Q et al. Switchable multi-wavelength passively mode-locked all-fiber lasers[J]. Acta Optica Sinica, 41, 0506002(2021).
[23] Wu B, Yang B J. Research on actively made-locked fiber ring laser[J]. Modern Transmission, 97-100(2005).
