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
- Acta Optica Sinica
- Vol. 41, Issue 6, 0623001 (2021)
Fig. 1. Structure of the WG-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters
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
Fig. 3. Change curves of ΔP with Λ and wavelength. (a) Δw=1.4 μm; (b) Δw=3.8 μm
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)
Fig. 5. Change curves of PSR with the temperature of WG area and wavelength. (a) Structural parameters①; (b) structural parameters②
Fig. 6. Structure of the WG-Slot-MMI type OPS. (a) Three-dimensional schematic diagram; (b) top view and related parameters
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)
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)
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)
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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