Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Chinese Optics Letters, Volume. 19, Issue 12, 121301(2021)

High-performance ultra-compact polarization splitter-rotators based on dual-etching and tapered asymmetrical directional coupler

Changjian Xie1, Xihua Zou1、*, Fang Zou1, and Yong Zhang2
Author Affiliations
  • 1Center for Information Photonics and Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu 611756, China
  • 2State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    • show less
    Full TextGet PDF
    Figures&Tables (9)
    Equations (1)
    References (23)
    Cited By (7)
    Tools
    Paper Information
    Topics
    Figures & Tables(9)
    Schematic diagrams of the two proposed PSRs. (a) PSR-1. (b) PSR-2. (c) Cross view.

    Fig. 1. Schematic diagrams of the two proposed PSRs. (a) PSR-1. (b) PSR-2. (c) Cross view.

    Download full size
    View in Article
    Coupling efficiency of PSR-1 varies with the Lc.

    Fig. 2. Coupling efficiency of PSR-1 varies with the Lc.

    Download full size
    View in Article
    Output powers from the through and cross ports vary with the length of Lc. (a) g = 100 nm, (b) g = 150 nm.

    Fig. 3. Output powers from the through and cross ports vary with the length of Lc. (a) g = 100 nm, (b) g = 150 nm.

    Download full size
    View in Article
    Conversion efficiency of PSR-1 at the (a) cross port and (b) through port; conversion efficiency of PSR-2 at the (c) cross port and (d) through port.

    Fig. 4. Conversion efficiency of PSR-1 at the (a) cross port and (b) through port; conversion efficiency of PSR-2 at the (c) cross port and (d) through port.

    Download full size
    View in Article
    Fabrication tolerance of (a) PSR-1 and (b) PSR-2.

    Fig. 5. Fabrication tolerance of (a) PSR-1 and (b) PSR-2.

    Download full size
    View in Article
    (a) SEM images of the reference waveguide and PSR. (b) Main structure of the PSR.

    Fig. 6. (a) SEM images of the reference waveguide and PSR. (b) Main structure of the PSR.

    Download full size
    View in Article
    Transmission response of the (a) TE0 and (b) TM0 vertical coupling gratings.

    Fig. 7. Transmission response of the (a) TE0 and (b) TM0 vertical coupling gratings.

    Download full size
    View in Article
    Transmission spectral responses: (a) TM0 mode launched and (b) TE0 mode launched.

    Fig. 8. Transmission spectral responses: (a) TM0 mode launched and (b) TE0 mode launched.

    Download full size
    View in Article

    • Table 1. Performance Comparison among PSRs (Fabricated Samples)

      View table
      View in Article

      Table 1. Performance Comparison among PSRs (Fabricated Samples)

      StructureFootprint (µm)PCL (dB)ER (dB)Bandwidth (nm)Tolerance (nm)
      Sub-wavelength grating coupler and secondary filtering[18]>36<11373±50
      Sub-wavelength grating coupler[20]350.31050±3
      Discretized subwavelength nanostructure[21]7.9212540±10
      Counter-tapered coupler[22]1700.81860±20
      Mode-evolution and an asymmetric directional coupler[23]1701.51040±10
      This work2812845±10
    Tools

    Get Citation

    Copy Citation Text

    Changjian Xie, Xihua Zou, Fang Zou, Yong Zhang, "High-performance ultra-compact polarization splitter-rotators based on dual-etching and tapered asymmetrical directional coupler," Chin. Opt. Lett. 19, 121301 (2021)

    Download Citation

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

    Category: Integrated Optics

    Received: Apr. 6, 2021

    Accepted: May. 21, 2021

    Posted: May. 25, 2021

    Published Online: Sep. 14, 2021

    The Author Email: Xihua Zou (zouxihua@swjtu.edu.cn)

    DOI:10.3788/COL202119.121301

    Topics

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