• Laser & Optoelectronics Progress
  • Vol. 59, Issue 3, 0313001 (2022)
Jiaying Luo*, Junyong Deng, Bowen Yang, Rui Shan, Ping Wang, and Chao Hui
Author Affiliations
  • School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an , Shaanxi 710121, China
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    DOI: 10.3788/LOP202259.0313001 Cite this Article Set citation alerts
    Jiaying Luo, Junyong Deng, Bowen Yang, Rui Shan, Ping Wang, Chao Hui. LONE: A Low-Loss, Non-Blocking, and Scalable 8-Port Optical Router[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0313001 Copy Citation Text show less
    Optical router. (a) Basic optical switch; (b) 4×4 optical routing structure
    Fig. 1. Optical router. (a) Basic optical switch; (b) 4×4 optical routing structure
    8×8 optical routing structure
    Fig. 2. 8×8 optical routing structure
    Overall model construction of optical interconnection network
    Fig. 3. Overall model construction of optical interconnection network
    8-port optical router model
    Fig. 4. 8-port optical router model
    Growth trend of microrings for routing structures of different sizes
    Fig. 5. Growth trend of microrings for routing structures of different sizes
    Comparison of insertion loss of 8-port routers. (a) Maximum insertion loss; (b) average insertion loss
    Fig. 6. Comparison of insertion loss of 8-port routers. (a) Maximum insertion loss; (b) average insertion loss
    WavelengthO1O2O3O4O5O6O7O8
    I1λ4λ5λ3λ6λ2λ7λ1λ0
    I2λ5λ6λ4λ7λ3λ8λ0λ1
    I3λ3λ4λ2λ5λ1λ0λ8λ7
    I4λ6λ7λ5λ8λ0λ1λ3λ2
    I5λ2λ3λ1λ0λ8λ5λ7λ6
    I6λ7λ8λ0λ1λ5λ2λ4λ3
    I7λ1λ0λ8λ3λ7λ4λ6λ5
    I8λ0λ1λ7λ2λ6λ3λ5λ4
    Table 1. 8-port router wavelength allocation table
    ItemCrossbarReduced crossbarλ-routerWRONGWORLACELONE
    MR64565656482428
    Table 2. Comparison of the number of micro-rings and area consumption of 8-port routers
    ItemCrossbarReduced crossbarλ-routerWRONGWORLACELONE
    Area /μm2120×120=105×105=84.8×84.8≈70×120=120×120=70×100=70×90=
    1440011025720084001440070006300
    Table 3. Comparison of area consumption of 8-port routers
    ParameterValueParameterValue
    MR drop /dB1Laser efficiency /dB30
    MR through /dB0.01Modulator /mV5
    Waveguide crossing /dB0.05Demodulator /mV0.3
    Waveguide bend /dB0.013
    Table 4. Optical insertion loss and energy parameters
    ItemMinAverageMax
    NNoise /dBLACE-15.2524-10.9819-0.58097
    LONE-17.4525-14.2033-12.1049
    RSNR /dBLACE0.287510.629814.9498
    LONE11.694513.841617.1462
    Table 5. Comparison of noise and RSNR of optical routing LONG and LACE
    Jiaying Luo, Junyong Deng, Bowen Yang, Rui Shan, Ping Wang, Chao Hui. LONE: A Low-Loss, Non-Blocking, and Scalable 8-Port Optical Router[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0313001
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