Photonic Sensors

, Volume 7, Issue 3, pp 278–282 | Cite as

Optimization of top coupling grating for very long wavelength QWIP based on surface plasmon

  • Guodong Wang
  • Junling Shen
  • Xiaolian Liu
  • Lu Ni
  • Saili Wang
Open Access


The relative coupling efficiency of two-dimensional (2D) grating based on surface plasmon for very long wavelength quantum well infrared detector is analyzed by using the three-dimensional finite-difference time domain (3D-FDTD) method algorithm. The relative coupling efficiency with respect to the grating parameters, such as grating pitch, duty ratio, and grating thickness, is analyzed. The calculated results show that the relative coupling efficiency would reach the largest value for the 14.5 μm incident infrared light when taking the grating pitch as 4.4 μm, the duty ratio as 0.325, and the grating thickness as 0.07 μm, respectively.


Very long wavelength QWIP surface plasmon 2D grating 



This work was supported by the National Natural Science Foundation of China under Grant No. U1304608, the Outstanding Youth Funding of Henan Polytechnic University under Grant No. J2013-05, and Program for Innovative Research Team of Henan Polytechnic University under Grant No. T2015-3.


  1. [1]
    Y. Wei, W. Q. Ma, Y. H. Zhang, J. L. Huang, Y. L. Cao, and K. Cui, “High structural quality of type II InAs/GaSb superlattices for very long wavelength infrared detection by interface control,” IEEE Journal of Quantum Electronics, 2012, 48(4): 512–515.ADSCrossRefGoogle Scholar
  2. [2]
    A. M. Hoang, G. Chen, R. Chevallier, A. Haddadi, and M. Razeghi, “High performance photodiodes based on InAs/InAsSb type-II superlattices for very long wavelength infrared detection,” Applied Physics Letters, 2014, 104(25): 251105–1–251105–4.ADSCrossRefGoogle Scholar
  3. [3]
    A. Rogalski, “Recent progress in infrared detector technologies,” Infrared Physics & Technology, 2011, 54(3): 136–154.ADSCrossRefGoogle Scholar
  4. [4]
    S. D. Gunapala, D. Z. Ting, C. J. Hill, J. Nguyen, A. Soibel, S. B. Rafol, et al., “Large area III-V infrared focal planes,” Infrared Physics & Technology, 2011, 54(3): 155–163.ADSCrossRefGoogle Scholar
  5. [5]
    G. D. Wang, S. L. Dai, and H. Zhang, “Optimization fo top coupling grating for mid-wave quantum well infrared photodetector,” Chinese Optics Letters, 2012, 10(B06): 188–189.Google Scholar
  6. [6]
    W. Lu, L. Li, H. L. Zheng, W. L. Xu, and D. Y. Xiong, “Development of an infrared detector: quantum well infrared photodetector”, Science China Physics, Mechanics & Astronomy, 2009, 52(7): 969–977.ADSCrossRefGoogle Scholar
  7. [7]
    X. H. Liu, X. H. Zhou, N. Li, L. Wang, Q. L. Sun, K. S. Liao, et al., “Effects of bias and temperature on the intersubband absorption in very long wavelength GaAs/AlGaAs quantum well infrared photodetectors,” Journal of Applied Physics, 2014, 115(12): 124503.ADSCrossRefGoogle Scholar
  8. [8]
    A. Berurier, A. Nedelcu, V. Gueriaux, T. Bria, A. D. Rossi, X. Marcadet, et al., “Optimization of broadband (11–15 ?m) optical coupling in quantum well infrared photodetectors for space applications,” Infrared Physics & Technology, 2011, 54(3): 182–188.ADSCrossRefGoogle Scholar
  9. [9]
    C. Genet and T. W. Ebbesen, “Light in tiny holes,” Nature, 445(7123): 39–46.Google Scholar
  10. [10]
    W. Wu, A. Bonakdar, and H. Mohseni, “Plasmonic enhanced quantum well infrared photodetector with high detectivity,” Applied Physics Letters, 2010, 96(16): 161107–1–161107–3.ADSCrossRefGoogle Scholar
  11. [11]
    C. C. Chang, Y. D. Sharma, Y. S. Kim, J. A. Bur, R. V. Shenoi, S. Krishna, et al., “A surface plasmon enhanced infrared photodetector based on InAs quantum dots,” Nano Letters, 2010, 10(5): 1704–1709.ADSCrossRefGoogle Scholar
  12. [12]
    Q. C. Weng, L. Li, J. Chen, J. Wen, and D. Y Xiong, “The metal grating coupling of long wavelength quantum well infrared photodetectors: surface plasmon effect,” Journal of Infrared & Millimeter Waves, 2011, 30(5): 415–418.CrossRefGoogle Scholar
  13. [13]
    K. Wang, W. H. Zheng, G. Ren, X. Y. Du, M. X. Xing, and L. H. Chen, “Design and optimization color quantum well infrared photodetectors coupled photonic crystal layer,” Acta Physica Sinica, 2008, 57(3): 1730–1735.Google Scholar

Copyright information

© The Author(s) 2017

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Guodong Wang
    • 1
  • Junling Shen
    • 2
  • Xiaolian Liu
    • 1
  • Lu Ni
    • 2
  • Saili Wang
    • 2
  1. 1.School of Physics and Electronic Information EngineeringHenan Polytechnic UniversityJiaozuoChina
  2. 2.School of Electrical Engineering and AutomationHenan Polytechnic UniversityJiaozuoChina

Personalised recommendations