Code synchronization based on lumped time-delay compensation scheme with a linearly chirped fiber Bragg grating in all-optical analog-to-digital conversion  

作　　者：王涛 康哲 苑金辉 田野 颜玢玢 桑新柱 余重秀 

机构地区：[1]State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications) [2]Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University

出　　处：《Chinese Physics B》2014年第10期180-185,共6页中国物理B（英文版）

基　　金：Project supported by the National Basic Research Program,China(Grant Nos.2010CB327605 and 2010CB328300);the National High-Technology Research and Development Program of China(Grant No.2013AA031501);the National Natural Science Foundation of China(Grant No.61307109);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20120005120021);the Fundamental Research Funds for the Central Universities,China(Grant No.2013RC1202);the Program for New Century Excellent Talents in University,China(Grant No.NECT-11-0596);the Beijing Nova Program,China(Grant No.2011066);the Fund of State Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications) China;the China Postdoctoral Science Foundation(Grant No.2012M511826);the Postdoctoral Science Foundation of Guangdong Province,China(Grant No.244331)

摘　　要：We propose a novel lumped time-delay compensation scheme for all-optical analog-to-digital conversion based on soliton self-frequency shift and optical interconnection techniques. A linearly chirped fiber Bragg grating is optimally designed and used to compensate for the entire time-delays of the quantized pulses precisely. Simulation results show that the compensated coding pulses are well synchronized with a time difference less than 3.3 ps, which can support a maximum sampling rate of 151.52 GSa/s. The proposed scheme can efficiently reduce the structure complexity and cost of all-optical analog-to-digital conversion compared to the previous schemes with multiple optical time-delay lines.We propose a novel lumped time-delay compensation scheme for all-optical analog-to-digital conversion based on soliton self-frequency shift and optical interconnection techniques. A linearly chirped fiber Bragg grating is optimally designed and used to compensate for the entire time-delays of the quantized pulses precisely. Simulation results show that the compensated coding pulses are well synchronized with a time difference less than 3.3 ps, which can support a maximum sampling rate of 151.52 GSa/s. The proposed scheme can efficiently reduce the structure complexity and cost of all-optical analog-to-digital conversion compared to the previous schemes with multiple optical time-delay lines.

关 键 词：all-optical analog-to-digital lumped time-delay compensation soliton self-frequency shift lin-early chirped fiber Bragg grating 

分 类 号：TN253[电子电信—物理电子学]