Programmable bandwidth-variable optical temporal differentiator based on linearly chirped fiber bragg grating and digital thermal controller

• Main Authors: Wang, Ruoxu, Tang, Ming, Zhang, Hailiang, Feng, Zhenhua, Lin, Rui, Fu, Songnian, Liu, Deming, Shum, Perry Ping
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2018
• Subjects: Fiber Devices And Optical Amplifiers; DRNTU::Engineering::Electrical and electronic engineering; Optical Processing Devices
• Online Access: https://hdl.handle.net/10356/87788; http://hdl.handle.net/10220/46828
• Institution: Nanyang Technological University

We experimentally demonstrate an all-fiber structured bandwidth variable second-order optical temporal differentiator based on linearly chirped fiber Bragg grating and digital thermal controller. The bandwidth can be reconfigured from 0.55 nm to 0.8 nm.