Researching

Journals
  • Advanced Photonics
  • Photonics Insights
  • Advanced Photonics Nexus
  • Photonics Research
  • Advanced Imaging
  • View All Journals
  • Chinese Optics Letters
  • High Power Laser Science and Engineering
    • Articles
  • Optics
  • Physics
  • Geography
  • View All Subjects
    • Conferences
  • CIOP
  • HPLSE
  • AP
  • View All Events
    • News
    About CLP
    Search by keywords or author
    Journals >Laser & Optoelectronics Progress >Volume 60 >Issue 17 >Page 1723001 > Article
    • Laser & Optoelectronics Progress
    • Vol. 60, Issue 17, 1723001 (2023)
    Polarization-Independent Optical Power Splitter with a Designable Splitting Ratio
    Jingli Wang1,*, Haiguang Liu1, Yueteng Zhang1, Yuchen Song1..., Hanxiao Shen1, Heming Chen2 and Kai Zhong3|Show fewer author(s)
    Author Affiliations
  • 1College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu , China
  • 2Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu , China
  • 3Key Laboratory of Optoelectronics Information Technology (Ministry of Education), School of Precision Instruments and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, Jiangsu , China
    • show less
    DOI: 10.3788/LOP222232 Cite this Article Set citation alerts
    Jingli Wang, Haiguang Liu, Yueteng Zhang, Yuchen Song, Hanxiao Shen, Heming Chen, Kai Zhong. Polarization-Independent Optical Power Splitter with a Designable Splitting Ratio[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1723001 Copy Citation Text show less
    Structure diagram of the polarization-independent optical power splitter with designable splitting ratio. Inset: section view of the sandwich structure
    Fig. 1. Structure diagram of the polarization-independent optical power splitter with designable splitting ratio. Inset: section view of the sandwich structure
    Download full size
    fIL as functions of L
    Fig. 2. fIL as functions of L
    Download full size
    Field distribution in the sandwich structures. (a) TE polarization mode; (b) TM polarization mode
    Fig. 3. Field distribution in the sandwich structures. (a) TE polarization mode; (b) TM polarization mode
    Download full size
    nSiNx corresponding to TE and TM polarization modesas a function of nSiNx, when g1=140 nm
    Fig. 4. nSiNx corresponding to TE and TM polarization modesas a function of nSiNx, when g1=140 nm
    Download full size
    nSiNx as a function of g1 when polarization-independent condition is satisfied
    Fig. 5. nSiNx as a function of g1 when polarization-independent condition is satisfied
    Download full size
    Polarization-independent condition is satisfied. (a) fSR as a function of g1; (b) fILas a function of g1
    Fig. 6. Polarization-independent condition is satisfied. (a) fSR as a function of g1; (b) fILas a function of g1
    Download full size
    Field distribution of devices with different Pout1∶Pout2. (a) 50∶50, TE; (b) 50∶50, TM; (c) 40∶60, TE; (d) 40∶60, TM; (e) 30∶70, TE; (f) 30∶70, TM; (g) 20∶80, TE; (h) 20∶80, TM; (i) 10∶90, TE; (j) 10∶90, TM
    Fig. 7. Field distribution of devices with different Pout1∶Pout2. (a) 50∶50, TE; (b) 50∶50, TM; (c) 40∶60, TE; (d) 40∶60, TM; (e) 30∶70, TE; (f) 30∶70, TM; (g) 20∶80, TE; (h) 20∶80, TM; (i) 10∶90, TE; (j) 10∶90, TM
    Download full size
    ΔfSR¯ and fIL¯ as functions of Ws and Ls. (a)30:70, ΔfSR¯; (b) 30:70, fIL¯; (c) 10:90, ΔfSR¯; (d)10:90, fIL¯
    Fig. 8. ΔfSR¯ and fIL¯ as functions of Ws and Ls. (a)30:70, ΔfSR¯; (b) 30:70, fIL¯; (c) 10:90, ΔfSR¯; (d)10:90, fIL¯
    Download full size
    fSR and fIL as a function of wavelength when the Pout1∶Pout2 of device are 50∶50, 40∶60, 30∶80, 20∶80 and 10∶90 respectively. (a) fSR; (b) fIL
    Fig. 9. fSR and fIL as a function of wavelength when the Pout1∶Pout2 of device are 50∶50, 40∶60, 30∶80, 20∶80 and 10∶90 respectively. (a) fSR; (b) fIL
    Download full size
    fSRPout1：Pout2g1 /nmnSiNxfIL（TE）/dBfIL（TM）/dB
    0.550∶501003.200.040.02
    0.640∶601242.910.070.03
    0.730∶701532.680.090.03
    0.820∶801982.370.140.03
    0.910∶902732.030.260.10
    Table 1. Parameters and performance of devices with different fSR when polarization-independent condition is satisfied
    ReferenceStructureSizeRange of fSRBandwidth /nmfIL /dBPolarization
    ［11］MMI3.6 μm×3.6 μm0.50‒0.80300.97dependent
    ［14］Y-junction1.4 μm×2.3 μm0.50‒0.981000.36dependent
    ［15］AC4 μm×240 μm0.50‒0.931001.00dependent
    ［16］ACL＝80 μm0.50‒1.001000.05dependent
    ［13］DCL<30 μm0.50‒1.00

    100

    （fSR=0.50）

    0.10

    （fSR=0.50）

    		independent
    Our workSandwich ACL＝7 μm0.50‒0.951000.31（0.17）independent
    Table 2. Comparison of performance of optical power splitters with designable fSR
    Abstract
    Get PDF(in Chinese)
    Figures&Tables (11)
    Equations (2)
    References (26)
    Cited By (1)
    Get Citation
    Copy Citation Text
    Jingli Wang, Haiguang Liu, Yueteng Zhang, Yuchen Song, Hanxiao Shen, Heming Chen, Kai Zhong. Polarization-Independent Optical Power Splitter with a Designable Splitting Ratio[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1723001
    Download Citation
    Set citation alerts for the article
    Tools
    Share
    Set citation alerts for the article
    Save the article for my favorites
    Paper Information
    Recommended Topics
    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology