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Acta Optica Sinica, Volume. 41, Issue 6, 0623001(2021)

Optical Power Splitter Integrated Chip with Large Tunable Range of Power Splitting Ratio

Shasha Liao1,2、*, Ke Liao3, Hang Bao1, Tiantian Zhang1, Jiwei Liu1, and Xi Liao1
Author Affiliations
  • 1School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • 2State Key Laboratory of Millimeter Waves, Southeast University, Nanjing, Jiangsu 211189, China
  • 3Chongqing Acoustic-Optic-Electronic CO., Ltd., Chongqing, 400060, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(11)
    Structure of the WG-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters

    Fig. 1. Structure of the WG-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters

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    Change curves of ΔP with Δw and wavelength. (a) Δw=1--6.5 μm; (b) Δw=3.8--4.0 μm; (c) Δw=1.2--1.4 μm

    Fig. 2. Change curves of ΔP with Δw and wavelength. (a) Δw=1--6.5 μm; (b) Δw=3.8--4.0 μm; (c) Δw=1.2--1.4 μm

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    Change curves of ΔP with Λ and wavelength. (a) Δw=1.4 μm; (b) Δw=3.8 μm

    Fig. 3. Change curves of ΔP with Λ and wavelength. (a) Δw=1.4 μm; (b) Δw=3.8 μm

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    Change curves of ΔP with N and wavelength. (a) Δw=1.4 μm, Λ=0.3 μm, N=168--188; (b) Δw=3.8 μm, Λ=0.3 μm, N=168--188; (c)--(d) When N=188, change curves of Po1 and Po2 with wavelength in Fig. (a) and Fig. (b)

    Fig. 4. Change curves of ΔP with N and wavelength. (a) Δw=1.4 μm, Λ=0.3 μm, N=168--188; (b) Δw=3.8 μm, Λ=0.3 μm, N=168--188; (c)--(d) When N=188, change curves of Po1 and Po2 with wavelength in Fig. (a) and Fig. (b)

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    Change curves of PSR with the temperature of WG area and wavelength. (a) Structural parameters①; (b) structural parameters②

    Fig. 5. Change curves of PSR with the temperature of WG area and wavelength. (a) Structural parameters①; (b) structural parameters②

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    Structure of the WG-Slot-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters

    Fig. 6. Structure of the WG-Slot-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters

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    Change curves of ΔP with ls and wavelength. (a) Structure parameter① (ls=2.5--27.5 μm); (b) structure parameter② (ls=2.5--27.5 μm); (c) structure parameter① (ls=20.5--24.5 μm); (d) structure parameter② (ls=22.5--25 μm)

    Fig. 7. Change curves of ΔP with ls and wavelength. (a) Structure parameter① (ls=2.5--27.5 μm); (b) structure parameter② (ls=2.5--27.5 μm); (c) structure parameter① (ls=20.5--24.5 μm); (d) structure parameter② (ls=22.5--25 μm)

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    Change curves of ΔP with ws and wavelength. (a) Structure parameter① (ls=22.9 μm, ws=0.1--1.1 μm); (b) structure parameter② (ls=22.5 μm, ws=0.1--1.1 μm); (c) structure parameter① (ls=22.9 μm, ws=0.64--0.74 μm); (d) structure parameter② (ls=22.5 μm, ws=0.6--0.7 μm)

    Fig. 8. Change curves of ΔP with ws and wavelength. (a) Structure parameter① (ls=22.9 μm, ws=0.1--1.1 μm); (b) structure parameter② (ls=22.5 μm, ws=0.1--1.1 μm); (c) structure parameter① (ls=22.9 μm, ws=0.64--0.74 μm); (d) structure parameter② (ls=22.5 μm, ws=0.6--0.7 μm)

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    Change curves of ΔP with q and wavelength. (a) Structure parameter①, ls=22.9 μm, ws=0.68 μm, q=0--35 μm; (b) structure parameter②, ls=22.5 μm, ws=0.64 μm, q=0--35 μm; (c)--(d) When q=0 μm, change curves of Po1 and Po2 with wavelength in Fig. (a) and Fig. (b)

    Fig. 9. Change curves of ΔP with q and wavelength. (a) Structure parameter①, ls=22.9 μm, ws=0.68 μm, q=0--35 μm; (b) structure parameter②, ls=22.5 μm, ws=0.64 μm, q=0--35 μm; (c)--(d) When q=0 μm, change curves of Po1 and Po2 with wavelength in Fig. (a) and Fig. (b)

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    Change curves of PSR with the temperature of WG and wavelength. (a) Structure parameter③; (b) structure parameter④

    Fig. 10. Change curves of PSR with the temperature of WG and wavelength. (a) Structure parameter③; (b) structure parameter④

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    • Table 1. Performance indicators of different OPSs

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      Table 1. Performance indicators of different OPSs

      TypeStructureparameterWavelengthvariation /nmΔPTunable rangeof PSR varieswith wavelengthTemperaturecoefficient ofPSR /℃-1Maximum tunablerange ofPSR varieswith temperature
      WG-MMI①7.23-0.30--0.420.23--4.47-3.52×10-2--8.00×10-32.17--3.94
      WG-MMI②6.35-0.32--0.350.33--3.05-2.36×10-2--2.96×10-22.98 --1.50
      WG-Slot-MMI③6.720.69--0.2436.91--0.51-0.36--0.4229.75 --8.58
      WG-Slot-MMI④5.560.72--0.05230.46--0.88-5.98--8.415.01 --425.43
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    Shasha Liao, Ke Liao, Hang Bao, Tiantian Zhang, Jiwei Liu, Xi Liao. Optical Power Splitter Integrated Chip with Large Tunable Range of Power Splitting Ratio[J]. Acta Optica Sinica, 2021, 41(6): 0623001

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    Paper Information

    Category: Optical Devices

    Received: Aug. 17, 2020

    Accepted: Nov. 5, 2020

    Published Online: Apr. 7, 2021

    The Author Email: Liao Shasha (liaoss@cqupt.edu.cn)

    DOI:10.3788/AOS202141.0623001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology