2 papers
physics.optics2026
Transient Chirp Dynamics in Terahertz Quantum Cascade Lasers
Xianglong Bi, Xuhong Ma, Wenjian Wan +9
Laser frequency chirp is a ubiquitous dynamical process in semiconductor lasers, vital for frequency-modulated photonic systems. In the mid-infrared (MIR) and terahertz (THz) range…
physics.optics2026
Reconfigurable Terahertz Multi-Harmonic Dual-Combs
Ma Xuhong, Qin Zhiwei, Bi Xianglong +7
Dual-comb spectroscopy, constructed from two frequency combs with slightly different repetition frequencies, enables real-time and high-precision measurements without mechanical sc…