On-chip photonic Fourier transform with surface plasmon polaritons

Shan Shan Kou; Guanghui Yuan; Qian Wang; Luping Du; Eugeniu Balaur; Daohua Zhang; Dingyuan Tang; Brian Abbey; Xiao-Cong Yuan; Jiao Lin

doi:10.1038/lsa.2016.34

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On-chip photonic Fourier transform with surface plasmon polaritons

Original Articles

- On-chip photonic Fourier transform with surface plasmon polaritons
- On-chip photonic Fourier transform with surface plasmon polaritons
- LSA 2016年5卷第1期
- Affiliations：
  
  1.Department of Chemistry and Physics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC 3086, Australia
  2.Australian Research Council Centre of Excellence for Advanced Molecular Imaging, Australia
  3.School of Physics, The University of Melbourne, VIC 3010, Australia
  4.Centre for Disruptive Photonic Technologies, Nanyang Technological University, Singapore 637371, Singapore
  5.Institute of Materials Research and Engineering, A*STAR, 3 Research Link, Singapore 117602, Singapore
  6.Nanophotonics Research Centre, Shenzhen University & Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
  7.School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
  8.School of Engineering, RMIT University, Melbourne, VIC 3001, Australia
- Author bio：
  
  XC Yuan, Email: xcyuan@szu.edu.cn
  J Lin, Email: jiao.lin@osamember.org
- Funds：
- DOI：10.1038/lsa.2016.34
  中图分类号：
- 纸质出版日期：2016-03，
  
  网络出版日期：2015-10-24，
  
  收稿日期：2015-05-04，
  
  修回日期：2015-09-30，
  
  录用日期：2015-10-19
- Accepted：
Scan QR Code
On-chip photonic Fourier transform with surface plasmon polaritons[J]. LSA, 2016,5(1).

Kou, S. S. et al. On-chip photonic Fourier transform with surface plasmon polaritons. Light: Science & Applications, 5, e16034 (2016).
On-chip photonic Fourier transform with surface plasmon polaritons[J]. LSA, 2016,5(1). DOI： 10.1038/lsa.2016.34.

Kou, S. S. et al. On-chip photonic Fourier transform with surface plasmon polaritons. Light: Science & Applications, 5, e16034 (2016). DOI： 10.1038/lsa.2016.34.

摘要

Abstract

The Fourier transform (FT)

a cornerstone of optical processing

enables rapid evaluation of fundamental mathematical operations

such as derivatives and integrals. Conventionally

a converging lens performs an optical FT in free space when light passes through it. The speed of the transformation is limited by the thickness and the focal length of the lens. By using the wave nature of surface plasmon polaritons (SPPs)

here we demonstrate that the FT can be implemented in a planar configuration with a minimal propagation distance of around 10 μm

resulting in an increase of speed by four to five orders of magnitude. The photonic FT was tested by synthesizing intricate SPP waves with their Fourier components. The reduced dimensionality in the minuscule device allows the future development of an ultrafast on-chip photonic information processing platform for large-scale optical computing.

关键词

Keywords

diffractionFourier opticsoptical computingoptical information processingsurface plasmon polaritons

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