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Ultrafast Non-Hermitian Skin Effect
Barbara Schneider, Alexander Dikopoltsev, Markus Bestler +5
Topological phases of matter commonly feature protected states at their boundaries. Transferring this protection to time-metamaterials is extremely challenging, as it requires the…
Combs, fast and slow: non-adiabatic mean field theory of active cavities
David Burghoff
Integrated frequency combs based on active cavities are of interest for a wide range of applications. An elegant description of these cavities is based on mean-field theory, which…
Frequency combs in optically-injected terahertz ring quantum cascade lasers
Md Istiak Khan, Zhenyang Xiao, Sadhvikas J. Addamane +1
Quantum cascade lasers (QCLs) have emerged as promising candidates for generating chip-scale frequency combs in mid-infrared and terahertz wavelengths. In this work, we demonstrate…