Acta Photonica Sinica, Volume. 51, Issue 6, 0623003(2022)

Fabrication of Silica Based Silicon 20 Channel Cyclic Arrayed Waveguide Grating

Jiashun ZHANG1...2, Junming AN2,*, Bingli SUN3, Jun CHEN3, Yanzhang HU3 and Chongxin SHAN1 |Show fewer author(s)
Author Affiliations
  • 1Henan Diamond Optoelectronic Materials and Devices Key Laboratory,School of Physics and Engineering,Zhengzhou University,Zhengzhou 450001,China
  • 2State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China
  • 3Henan Key Laboratory of Optoelectronic Circuit and Integration,Henan Shi Jia Photons Technology Co.,Ltd,Hebi,Henan 458030,China
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    Figures & Tables(17)
    Schematic structure of arrayed waveguide grating
    The diagram of 1×20 cyclic AWG
    The diagram of 2×20 cyclic AWG
    Schematic structure of input waveguide
    Simulated spectra of different exponential tapered waveguide widths
    Simulated spectra of 1×20 cyclic AWG
    Center wavelength offset of 1×20 cyclic AWG
    Simulated spectra of 2×20 cyclic AWG
    Center wavelength offset of 2×20 cyclic AWG
    The layout of 2×20 cyclic AWG
    AWG microscope photo and cross section SEM photo
    Photo of 20 channel cyclic AWG athermal module
    Test spectrum of 20 channel cyclic AWG athermal module
    Test center wavelength offset of 20 channel cyclic AWG athermal module
    • Table 1. 20 Ch WDM system center frequency

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      Table 1. 20 Ch WDM system center frequency

      Channel

      HE→TE

      /THz

      TE→HE

      /THz

      Channel

      HE→TE

      /THz

      TE→HE

      /THz

      Ch20(λ2046194.1191.5Ch10(λ1036195.1192.5
      Ch19(λ1945194.2191.6Ch9(λ935195.2192.6
      Ch18(λ1844194.3191.7Ch8(λ834195.3192.7
      Ch17(λ1743194.4191.8Ch7(λ733195.4192.8
      Ch16(λ1642194.5191.9Ch6(λ632195.5192.9
      Ch15(λ1541194.6192.0Ch5(λ531195.6193.0
      Ch14(λ1440194.7192.1Ch4(λ430195.7193.1
      Ch13(λ1339194.8192.2Ch3(λ329195.8193.2
      Ch12(λ1238194.9192.3Ch2(λ228195.9193.3
      Ch11(λ11/λ37195.0192.4Ch1(λ127196.0193.4
    • Table 2. Design geometric parameters of 1×20 cyclic AWG

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      Table 2. Design geometric parameters of 1×20 cyclic AWG

      ParameterValue
      Diffraction order m74
      Roland circle diameter R /μm5 390.101
      Length difference ΔL /μm78.381 244 3
      Wavelength spacing ∆λ /nm0.788
      Input/Output waveguide spacing ∆xo /μm22
      Array waveguide spacing d /μm10
      No. of array waveguides151
      Input taper width /μm22
      Output taper width /μm10
      Array waveguide taper width /μm9
      Center wavelength λ0 /nm1 536.61
    • Table 3. Design geometric parameters of 2×20 cyclic AWG

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      Table 3. Design geometric parameters of 2×20 cyclic AWG

      ParameterValue
      Diffraction order m37
      Roland circle diameter R /μm10 780.202
      Length difference ΔL /μm38.935 596 03
      Wavelength spacing ∆λ /nm0.788
      Input/Output waveguide spacing ∆xo /μm22
      Array waveguide spacing d /μm10
      No. of array waveguides301
      Input taper width /μm22
      Output taper width /μm10
      Array waveguide taper width /μm9
      Center wavelength λ0 /nm1 526.61
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    Jiashun ZHANG, Junming AN, Bingli SUN, Jun CHEN, Yanzhang HU, Chongxin SHAN. Fabrication of Silica Based Silicon 20 Channel Cyclic Arrayed Waveguide Grating[J]. Acta Photonica Sinica, 2022, 51(6): 0623003

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    Paper Information

    Category: Optical Device

    Received: Dec. 15, 2021

    Accepted: Mar. 3, 2022

    Published Online: Sep. 23, 2022

    The Author Email: AN Junming (junming@semi.ac.cn)

    DOI:10.3788/gzxb20225106.0623003

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