Chip-integrated nearly perfect graphene absorber

  title={Chip-integrated nearly perfect graphene absorber},
  author={Wei Xu and Zhihong Zhu and Ken Liu and Jianfa Zhang and Xiaodong Yuan and Qisheng Lu and Shiqiao Qin},
We exploit the concept of critical coupling to graphene based chip-integrated applications and numerically demonstrate that chip-integrated nearly perfect absorber at near-infrared can be obtained by graphene nearly critical coupling with a nanobeam cavity.