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physics.optics2025★ 1 cited
Photonic time stretch fieldoscopy: single-shot electric field detection at near-petahertz bandwidth
Steffen Gommel, Kilian Scheffter, Andreas Herbst +2
Accessing the electric field of light with petahertz bandwidths in ambient air is a rapidly advancing frontier, essential for probing ultrafast dynamics driven by classical or quan…
physics.optics2025
Ultrafast nonlinear dynamics of indium tin oxide nanocrystals probed via fieldoscopy
Andreas Herbst, Anchit Srivastava, Kilian Scheffter +8
Scalable, high-speed, small-footprint photonic switching platforms are essential for advancing optical communication. An effective optical switch must operate at high duty cycles w…
physics.optics2024
185 mW, 1 MHz, 15 fs carrier-envelope phase-stable pulse generation via polarization-optimized down-conversion from gas-filled hollow-core fiber
Anchit Srivastava, Kilian Scheffter, Soyeon Jun +2
Gas-filled hollow core fibers allow the generation of single-cycle pulses at megahertz repetition rates. When coupled with difference frequency generation, they can be an ideal dri…