Experimental study on reflection phase rotation of cavity-resonator-integrated guided-mode resonance filter

@article{Inoue2015ExperimentalSO,
  title={Experimental study on reflection phase rotation of cavity-resonator-integrated guided-mode resonance filter},
  author={Junichi Inoue and Hiroki Okuda and Kenzo Nishio and Shogo Ura and Kenji Kintaka},
  journal={2015 IEEE CPMT Symposium Japan (ICSJ)},
  year={2015},
  pages={187-190}
}
Filters consisting of grating couplers in waveguide cavities were fabricated with different guiding-core thickness, and their reflection phases were measured. It was found that the reflection phase variation depended on the thickness.