1. Dubois, M., and Muralt. P, "Properties of aluminum nitride thin films for piezoelectric transducers and microwave filter applications," Applied Physics Letters, vol. 74, no. 20, pp. 3032--3034, 1999.
2. Wu ran, Zhang Zehong, Chen Yongfeng and Liao ting, "High sensitivity and large bandwidth acoustooptic channelized receiver," Piezoelectric & Acoustooptic, vol. 37, no. 6, pp. 930--933, 2015.
3. CHEN Weiyuan, ZENG Rong, LIANG Xidong and HE Jinliang, "Design of electro-optic integreted electric field sensor," Journal of Tsinghua University: Science and Technology, vol. 46, no. 10, pp. 1641--1644, 2006.
4. Liu Ya, Fang Xiao, Bai Ming and Zheng Zheng, "Application of optical comb technology in microwave photonics," Science & Technology Review, vol. 34, no. 16, pp. 112--115, 2016.
5. T Udem, R Holzwarth, T W Hansch, "Optical frequency metrology," Nature, vol. 416, no. 14, pp. 233--237, 2002.