collaborators

5 papers

physics.optics2026

Bright solitons in hybrid-dispersion photonic crystal microresonators

Alexander E. Ulanov, Lukas Bengel, Bastian Ruhnke +2

Bright dissipative Kerr solitons in optical microresonators provide chip-scale sources of ultrashort pulses and frequency combs. Their properties are defined by the cavity dispersi…

physics.optics2026

Attosecond-level synchronisation of chip-integrated oscillators

Alexander E. Ulanov, Bastian Ruhnke, Theia El Sharkawy +4

Synchronised laser oscillators are essential for probing the fastest processes in chemistry, materials science, and biology down to atto-second timescales. Tight synchronisation is…

physics.optics2025

Breaking the bandwidth-efficiency trade-off in soliton microcombs via mode coupling

Yang Liu, Andreas Jacobsen, Thibault Wildi +9

Dissipative Kerr solitons in optical microresonators have emerged as a powerful tool for compact and coherent frequency comb generation. Advances in nanofabrication have allowed pr…

physics.optics2025

Spectral dynamics in broadband frequency combs with overlapping harmonics

Weichen Fan, Furkan Ayhan, Thibault Wildi +8

Optical frequency combs and their spectra of evenly spaced discrete laser lines are essential to modern time and frequency metrology. Recent advances in integrated photonic wavegui…

physics.optics2025

Quadrature squeezing in a nanophotonic microresonator

Alexander E. Ulanov, Bastian Ruhnke, Thibault Wildi +1

Squeezed states of light are essential for emerging quantum technology in metrology and information processing. Chip-integrated photonics offers a route to scalable and efficient s…