Waveguide-integrated mid-infrared photodetection using graphene on a scalable chalcogenide glass platform
oleh: Jordan Goldstein, Hongtao Lin, Skylar Deckoff-Jones, Marek Hempel, Ang-Yu Lu, Kathleen A. Richardson, Tomás Palacios, Jing Kong, Juejun Hu, Dirk Englund
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2022-07-01 |
Deskripsi
Mid-infrared photonic integrated circuits (PICs) are important for sensing and optical communications, but their operational wavelengths are usually limited below 4 μm. Here, the authors report the realization of photothermoelectric graphene photodetectors incorporated in a chalcogenide glass-on-CaF2 PIC operating at 5.2 μm, showing promising results for gas sensing applications.