Mid-Infrared High Q Factor Silicon-Germanium Ring Resonator

Marko Perestjuk (1, 2) , Rémi Armand (1) , Alberto Della Torre (1) , Milan Sinobad (1) , Arnan Mitchell (2) , Andreas Boes (2) , Jean- Michel Hartmann (3) , Jean-Marc Fedeli (3) , Vincent Reboud (3) , Christelle Monat (1) , Christian Grillet (1)

1 INL - Institut des Nanotechnologies de Lyon
2 RMIT University - Royal Melbourne Institute of Technology University
3 CEA-LETI - Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information

We demonstrate a ring resonator with high Q-factor in the mid-infrared in a silicongermanium on silicon chip-based platform. The side-coupled ring exhibits a loaded Q-factor of 90,000 at the operating wavelength around 4.18 µm. This is the highest Q-factor achieved on this material platform.

Keywords: Mid-infrared; Cavities; Ring Resonators; Silicon Germanium

Domains: Optics / Photonic

Marko Perestjuk, Rémi Armand, Alberto Della Torre, Milan Sinobad, Arnan Mitchell, et al.. Mid-Infrared High Q Factor Silicon-Germanium Ring Resonator. European Conference on Integrated Optics 2022, May 2022, Milano, Italy. ⟨hal-03749753⟩