Chinese Optics Letters, Volume. 22, Issue 3, 031301(2024)
Ultra-compact and broadband polarization-insensitive mode-order converting power splitter
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Fig. 1. (a) Schematic drawing of our introduced PIMCPS. (b) Cross-sectional view of the pixelated region along line B-B’.
Fig. 2. Simulated light propagation in the optimized PIMCPS with input (a) TE0 or (b) TM0 mode.
Fig. 3. CT, IL, and PU of the designed PIMCPS as a function of the wavelength.
Fig. 4. (a), (b) IL, (c), (d) CT, and (e), (f) PU of the designed PIMCPS changing with ΔW and ΔD when the output modes are TM1 and TE1 modes.
Fig. 5. Microscopic image of the fabricated PIMCPSs and two-mode demultiplexers.
Fig. 6. Measured CT, IL, and PU of the fabricated PIMCPS as a function of the wavelength.
Table 1. Performance Comparison of the Proposed PIMCPS, the Reported PIMOCs, and the PIPSs
View tableView in ArticleTable 1. Performance Comparison of the Proposed PIMCPS, the Reported PIMOCs, and the PIPSs
Refs. Size (μm) Inputs/Outputs Measurement BW (nm) IL (dB) CT (dB) PU (dB) [ 4 ]4 TE0, TE1/TM0, TM1 40 < 2.3 < −11.5 – [ 9 ]18.4 TE0, TE1/TM0, TM1 80 < 1.59 < −15.6 – [ 12 ]6 TE1, TE1/TM1, TM1 40 < 4.5 < −15 0.4 [ 14 ]1600 TE1, TE1/TM1, TM1 70 < 0.68 < −15.8 < 0.8 This work 4 TE0, TE1/TM0, TM1 80 < 1.39 < −17.6 0.14
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Haoqi Chen, Runkui Yao, Pengjun Wang, Qiang Fu, Weiwei Chen, Shixun Dai, Dejun Kong, Jian Lin, Tao Jin, Jun Li, Tingge Dai, Jianyi Yang, "Ultra-compact and broadband polarization-insensitive mode-order converting power splitter," Chin. Opt. Lett. 22, 031301 (2024)
Paper Information
Category: Integrated Optics
Received: Aug. 24, 2023
Accepted: Oct. 19, 2023
Published Online: Mar. 20, 2024
The Author Email: Pengjun Wang (wangpengjun@wzu.edu.cn), Weiwei Chen (chenweiwei@nbu.edu.cn)
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