Microwave photonic filter with two independently tunable passbands based on paralleled fiber Mach–Zehnder interferometers and dispersive medium

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• 作者：Zuowei Xu ; Hongyan Fu ; Hao Chen ; Congxian Wu ; Huiying Xu ; Zhiping Cai
• 刊名：Applied Physics B: Lasers and Optics
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：120
• 期：3
• 页码：557-562
• 全文大小：2,529 KB
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• 作者单位：Zuowei Xu (1)
  Hongyan Fu (1)
  Hao Chen (1)
  Congxian Wu (1)
  Huiying Xu (1)
  Zhiping Cai (1)
  
  1. Department of Electronic Engineering, School of Information Science and Engineering, Xiamen University, Haiyun Campus, Xiamen, 361005, People’s Republic of China
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Electromagnetism, Optics and Lasers
  Physical Chemistry
  Laser Technology and Physics and Photonics
  Quantum Optics, Quantum Electronics and Nonlinear Optics
  Optical Spectroscopy and Ultrafast Optics
  Physics and Applied Physics in Engineering
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0649

文摘

In this article, we propose and experimentally demonstrate a novel microwave photonics filter (MPF) with two independently tunable passbands. The MPF is based on a sliced broadband optical source and a dispersive medium, and two paralleled fiber Mach–Zehnder interferometers (FMZIs) have been employed as the optical spectrum slicer. A coil of single-mode fiber has been used as a dispersion medium, which introduces time delay for each tap. A stable dual-passband MPF has been obtained, and the experimental results show that each passband of the MPF can be tuned freewill by adjusting the variable optical delay line (VODL) in each of the FMZIs.