Applied Physics B

, Volume 104, Issue 3, pp 653–657

Broadband slow-light in graded-grating-loaded plasmonic waveguides at telecom frequencies

  • L. Chen
  • G. P. Wang
  • X. Li
  • W. Li
  • Y. Shen
  • J. Lai
  • S. Chen
Article

DOI: 10.1007/s00340-011-4476-5

Cite this article as:
Chen, L., Wang, G.P., Li, X. et al. Appl. Phys. B (2011) 104: 653. doi:10.1007/s00340-011-4476-5

Abstract

We explore developing graded-grating-loaded plasmonic waveguide for “trapped rainbow” at telecom frequencies by modulating feature sizes of gratings to extend its operational frequencies to the infrared domain. We show that such a structure is capable of localizing light waves of different infrared frequencies at different spatial positions. Such a slow-light device offers the advantages including a wide spectral band, a long photon lifetime and strong confinement, which may enable practical applications in various nanophotonic circuits.

Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • L. Chen
    • 1
  • G. P. Wang
    • 2
  • X. Li
    • 1
  • W. Li
    • 1
  • Y. Shen
    • 3
  • J. Lai
    • 1
  • S. Chen
    • 1
  1. 1.Wuhan National Laboratory for Optoelectronics, School of Optoelectronic Science and EngineeringHuazhong University of Science and TechnologyWuhanChina
  2. 2.Key Laboratory of Acoustic and Photonic Materials and Devices, Ministry of Education and Department of PhysicsWuhan UniversityWuhanChina
  3. 3.Department of PhysicsNanchang UniversityNanchangChina