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physics.optics2025
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…
physics.optics2024
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…
physics.optics2024
Fundamental scaling limits and bandwidth shaping of frequency-modulated combs
Mithun Roy, Zhenyang Xiao, Sadhvikas Addamane +1
Frequency-modulated (FM) combs based on active cavities like quantum cascade lasers have recently emerged as promising light sources in many spectral regions. Unlike passive modelo…