Shallow Angle Grating Coupler

    •  Kojima, K., Gotoda, M., Koike-Akino, T., TaherSima, M., Parsons, K., Meissner, T., Song, B., Klamkin, J., "Shallow Angle Grating Coupler", Integrated Photonics Research, Silicon and Nano Photonics (IPR), DOI: 10.1364/​IPRSN.2019.IM3A.6, July 2019.
      BibTeX TR2019-075 PDF
      • @inproceedings{Kojima2019jul,
      • author = {Kojima, Keisuke and Gotoda, Mitsunobu and Koike-Akino, Toshiaki and TaherSima, Mohammad and Parsons, Kieran and Meissner, Thomas and Song, Bowen and Klamkin, Jonathan},
      • title = {Shallow Angle Grating Coupler},
      • booktitle = {Integrated Photonics Research, Silicon and Nano Photonics (IPR)},
      • year = 2019,
      • month = jul,
      • publisher = {Optical Society of America},
      • doi = {10.1364/IPRSN.2019.IM3A.6},
      • url = {}
      • }
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  • Research Areas:

    Communications, Electronic and Photonic Devices


We propose to use long period grating waveguide to re-direct the incoming mode to 15 degree downward angle targeting hybrid integration with silicon waveguides. After parameter optimization, the end-to-end coupling efficiency up to 58% is obtained through simulations