[WE2] Optical Filtering and Switching II

11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[WE2-3] Terahertz Frequency Combs in Silicon Nitride Microresonators for Mid-Infrared Photonics

○Seungwon Kim^1,2, Christian Lafforgue², Ozan Yakar², Marco Clementi², Kyoungsik Yu¹, Camille-Sophie Brès² (1.Korea Advanced Institute of Science and Technology, 2.École Polytechnique Fédérale de Lausanne)

Keywords:

Photonics integrated circuits

We demonstrate mid-infrared frequency comb using a 2 μm pump in a silicon nitride
microresonator with a 1 terahertz free spectral range. The comb spans 200 nm, with 10 dB extinction,
enabling efficient nonlinear conversion.