2 papers
physics.optics2025
Optical feedback induced irregular and chaotic dynamics in terahertz quantum cascade laser combs
Xiaoqiong Qi, Carlo Silvestri, Thomas Taimre +1
In this work, we systematically investigate the optical feedback dynamics of terahertz (THz) frequency combs generated from quantum cascade lasers (QCLs) using the effective semico…
physics.optics2024
Shaping terahertz harmonic frequency combs with frequency dependent external reflectors
Carlo Silvestri, Xiaoqiong Qi, Thomas Taimre +1
We present a method for engineering harmonic frequency combs (HFCs) in the terahertz spectral region. This approach involves interfacing a quantum cascade laser (QCL) with an exter…