1.       Dian Chen, Qingwen Liu*, and Zuyuan He, “Phase-detection distributed fiber-optic vibration sensor without fading-noise based on time-gated digital OFDR,” Optics Express 25(7), 8315-8325 (2017) doi:10.1364/OE.25.008315
2.       Dian Chen, Qingwen Liu*, Xinyu Fan, and Zuyuan He, “Distributed Fiber-optic Acoustic Sensor with Enhanced Response Bandwidth and High Signal-to-noise Ratio,” IEEE Journal of Lightwave Technology 35(10), 2037-2043 (2017) DOI: 10.1109/JLT.2017.2657640
3.      Zuyuan He*, Qingwen Liu*, Jiageng Chen, and Tomochika Tokunaga, “Ultrahigh Resolution Fiber Bragg Grating Sensors for Quasi-static Crustal Deformation Measurement,” IEEE Journal of Lightwave Technology, DOI: 10.1109/JLT.2016.2591724. (Tutorial Review)
4.       Jiageng Chen, Qingwen Liu*, Xinyu Fan, and Zuyuan He, “Sub-Nano-Strain Multiplexed Fiber Optic Sensor Array for Quasi-Static Strain Measurement,” IEEE Photonics Technology Letters 28(21):2311-2314 (2016).
5.       Jiageng Chen, Qingwen Liu*, Xinyu Fan, and Zuyuan He, “Ultra-high resolution optical fiber strain sensor using dual Pound-Drever-Hall feedback loops,” Optics Letters 41(5): 1066-1069 (2016).
6.       Qingwen Liu, Xinyu Fan, and Zuyuan He*, “Time-gated digital optical frequency domain reflectometry with 1.6-m spatial resolution over entire 110-km range,” Optics Express 23(20): 25988-25995 (2015).
7.       Qingwen Liu, Zuyuan He*, and Tomochika Tokunaga, “Sensing the earth crustal deformation with nano-strain resolution fiber-optic sensors,” Optics Express 23(11): A428-A436 (2015).
8.       Qingwen Liu, Tomochika Tokunaga, and Zuyuan He*, “Sub-nano resolution static strain fiber sensor using a sideband interrogation technique,” Optics Letters 37(3): 434-436 (2012).
9.       Qingwen Liu, Tomochika Tokunaga, Katsuro Mogi, Hiroya Matsui, Herbert F. Wang, Teruyuki Kato, and Zuyuan He*, “Ultra-high resolution multiplexed fiber Bragg grating sensor for crustal strain monitoring,” IEEE Photonics Journal 4(3): 996-1003 (2012).
10.    Qingwen Liu, Tomochika Tokunaga, and Zuyuan He*, “Ultra-high-resolution large- dynamic- range optical fiber static strain sensor using Pound-Drever-Hall technique,” Optics Letters 36 (20): 4044-4046 (2011).
11.    Qingwen Liu, Tomochika Tokunaga, and Zuyuan He*, “Realization of nano static strain sensing with fiber Bragg gratings interrogated by narrow linewidth tunable lasers,” Optics Express 19(21): 20214-20223 (2011).