2 papers
physics.optics2026
Quantum cascade laser roadmap
Carlo Silvestri, Aleksandar D. RakiÄ, Dragan Indjin +46
Quantum cascade lasers (QCLs) are unipolar semiconductor lasers first demonstrated in 1994. Since then, they have played a central role in advancing mid-infrared and terahertz phot…
physics.optics2025
Liquid combs: broadband light with equidistance and without stability
Mithun Roy, Tianyi Zeng, Zhenyang Xiao +4
Broadband light sources with well-defined spectral structures are vital for science and technology. However, the evenly spaced lines of frequency combs represent only a small subse…