Acta Photonica Sinica, Volume. 48, Issue 12, 1248003(2019)

Orbital Angular Momentum Modes Generator and Multiplexer Based on Silicon Waveguides

Heng-ying CAO1...1, He-ming CHEN2,2,*, and Xiu-li BAI11 |Show fewer author(s)
Author Affiliations
  • 1College of Electronic and Optical Engineering&College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
  • 2Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
  • show less
    Figures & Tables(13)
    OAM structure diagram and its trench section
    Concept and principle of OAM generator
    Mode conversion in waveguides
    Conversion efficiency versus different height and width of S waveguide
    Effective index of modes in waveguide versus height of waveguide
    Conversion efficiency of wg1 versus coupling length between different waveguide distances
    Overlap of orthogonal eigenmode at 1 550 nm versus size of trench
    Conversion efficiency of OAM versus trench length
    Detected light field at other ports with TE00 input in Port1, Port2 and Port3, respectively
    Light field of TE00 incident from different ports detected at Port 4 and phase diagrams of OAM±1
    Conversion efficiency of OAM with wavelength of 1.45~1.65 μm
    • Table 1. The insertion loss value of the channels with λ=1 550 nm

      View table
      View in Article

      Table 1. The insertion loss value of the channels with λ=1 550 nm

      OAM-1OAM0OAM+1
      Insertion loss/dB0.240.130.14
    • Table 2. The crosstalk value of the channels with λ=1 550 nm

      View table
      View in Article

      Table 2. The crosstalk value of the channels with λ=1 550 nm

      Crosstalk/dBPort1Port2Port3
      Port1--20.05-22.51
      Port2-34.12--31.77
      Port3-28.26-21.37-
    Tools

    Get Citation

    Copy Citation Text

    Heng-ying CAO, He-ming CHEN, Xiu-li BAI. Orbital Angular Momentum Modes Generator and Multiplexer Based on Silicon Waveguides[J]. Acta Photonica Sinica, 2019, 48(12): 1248003

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Received: May. 28, 2019

    Accepted: Aug. 22, 2019

    Published Online: Mar. 17, 2020

    The Author Email: CHEN He-ming (chhm@njupt.edu.cn)

    DOI:10.3788/gzxb20194812.1248003

    Topics