Chinese Optics Letters, Volume. 15, Issue 6, 062301(2017)

Experimental evidence of photonic crystal waveguides with wide bandwidth in two-dimensional Al2O3 rods array

Yong Wang1, Dengguo Zhang2、*, Shixiang Xu2, Biaogang Xu2, Zheng Dong2, and Tan Huang2
Author Affiliations
  • 1College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
  • 2College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, China
  • show less
    Figures & Tables(7)
    (a) 2D PCs defect structure; (b) 2D square lattice PCW in a transparent shell; (c) schematic diagram of the PCW; (d) PBG of the 2D square lattice PCs.
    (a) Ez field distribution in the PCW; (b) the amplitude of the Ez field; (c) and (d) the distribution of power in the PCs at the normalized frequency of 0.28(2πc/a); (e) and (f) the distribution of power in the PCW at the central frequency of 0.4016(2πc/a); (g) and (h) the distribution of power in the PCs at the central frequency of 0.52(2πc/a).
    (a) Sectional view of the PCs sample; (b) experimental setup for measuring the PBG of the PCs.
    (a) Logarithmic value of the reflection efficiency of Port A; (b) the isolation τBA of Ports B to A; (c) the isolation τAB of Ports A to B; (d) the logarithmic value of the reflection efficiency of Port B.
    (a) Sectional view of the PCW sample; (b) experimental setup for measuring the transmission efficiency between Port A and Port C; (c) experimental setup for measuring the transmission efficiency between Port A and Port D.
    Logarithmic value of the transmission efficiency between Port A and Port C: (a) S21 and (b) S12; Logarithmic value of the transmission efficiency between Port A and Port D: (c) S21 and (d) S12.
    • Table 1. Comparison Between Experimental and Numerical Results

      View table
      View in Article

      Table 1. Comparison Between Experimental and Numerical Results

      Numerical valueNormalized frequency range of PBG0.3525(2πc/a)0.4687(2πc/a)
      Normalized central frequency0.4016(2πc/a)
      Frequency range of PBG8.81–11.72 GHz (29.1%)
      Central frequency f010.04 GHz
      Transmission efficiency at f074.9%
      Experimental valuef010 GHz
      τBA at f055.67dB
      τAB at f057.24dB
      Frequency range of PBG (τ<20dB)8.62–11.554 GHz (relative bandwidth is 29.34%)
      RA at f00.45dB (90.2%)
      RB at f00.45dB (90.2%)
      Transmission efficiency at f072.9%
    Tools

    Get Citation

    Copy Citation Text

    Yong Wang, Dengguo Zhang, Shixiang Xu, Biaogang Xu, Zheng Dong, Tan Huang. Experimental evidence of photonic crystal waveguides with wide bandwidth in two-dimensional Al2O3 rods array[J]. Chinese Optics Letters, 2017, 15(6): 062301

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Optical devices

    Received: Dec. 6, 2016

    Accepted: Mar. 24, 2017

    Published Online: Jul. 20, 2018

    The Author Email: Dengguo Zhang (dgzhang@szu.edu.cn)

    DOI:10.3788/COL201715.062301

    Topics