[1] HUO L, DONG Y, LOU C, et al. Clock extraction using an optoelectronic oscillator from high-speed NRZ signal and NRZ-to-RZ format transformation[J]. IEEE Photonics Technology Letters, 2003, 15(7): 981-983.
[2] TSUCHIDA H, SUZUKI M. 40-Gb/s optical clock recovery using an injection-locked optoelectronic oscillator[J]. IEEE Photonics Technology Letters, 2005, 17(1): 211-213.
[3] YAO X S, MALEKI L. Optoelectronic oscillator for photonic systems[J]. IEEE Journal of Quantum Electronics, 1996, 32(7): 1141-1149.
[4] YAO X S, MALEKI L. Optoelectronic microwave oscillator[J]. JOSA B, 1996, 13(8): 1725-1735.
[5] YAO X S, MALEKI L. Multiloop optoelectronic oscillator[J]. IEEE Journal of Quantum Electronics, 2000, 36(1): 79-84.
[6] ELIYAHU D, SARIRI K, KAMRAN A, et al. Improving short and long term frequency stability of the opto-electronic oscillator[C]. Frequency Control Symposium and PDA Exhibition, 2002. IEEE International. IEEE, 2002: 580-583.
[7] ZHOU Zheng-hua, YANG Chun, CAO Zhe-wei, et al. An ultra-low phase noise and highly stable optoelectronic oscillator utilizing IL-PLL[J]. IEEE Photonics Technology Letters, 2016, 28(4): 516-519.
[8] CAI S, PAN S, ZHU D, et al. Coupled frequency-doubling optoelectronic oscillator based on polarization modulation and polarization multiplexing[J]. Optics Communications, 2012, 285(6): 1140-1143.
[9] JIA S, YU J, WANG J, et al. Research of a novel optoelectronic oscillator based on dual-loop structure with different wavelengths[J]. Acta Physica Sinica, 2015, 15: 154-159.
[10] XU K, WU Z, ZHENG J, et al. Long-term stability improvement of tunable optoelectronic oscillator using dynamic feedback compensation[J]. Optics Express, 2015, 23(10): 12935-12941.
[11] BEST R E. Phase locked loops[M]. McGraw-Hill Professional, 2007.
[12] CHANG H C, CAO X, VAUGHAN M J, et al. Phase noise in externally injection-locked oscillator arrays[J]. IEEE Transactions on Microwave Theory and Techniques, 1997, 45(11): 2035-2042.
[13] ADLER R. A study of locking phenomena in oscillators[J]. Proceedings of the IRE, 1946, 34(6): 351-357.