Wanying Zhang, Jieyun Wu, Ting Hao, Yang Liu, Kaixin Chen and Kin Seng Chiang,“Volatile organic gas recognition with an in-fiber Mach-Zehnder interferometer coated with ZIF-8”,Conference on Laser and Electro-optics Pacific Rim (CLEO-PR), 2018, Hong Kong,China, 2018, 7.29-8.03. paper Th1E.5.