87 citations · 455 across the 19 of their papers we have counts for
9 papers · 1 filter
Pseudovorticity of 2+1D optical solitons
Ludovica Falsi, Giuseppe Agostino, Alberto Villois +6
In the hydrodynamic representation of a quantum fluid or optical field, vorticity vanishes wherever the phase is well defined, and is instead localized at phase singularities, or q…
Walk-off induced dissipative breathers and dissipative breather gas in microresonators
A. Villois, D. N. Puzyrev, D. V. Skryabin +1
Dissipative solitons in optical microcavities have attracted significant attention in recent years due to their direct association with the generation of optical frequency combs. H…
Bright-soliton frequency combs and dressed states in chi(2) microresonators
D. N. Puzyrev, V. V. Pankratov, A. Villois +1
We present a theory of the frequency comb generation in the high-Q ring microresonators with quadratic nonlinearity and normal dispersion and demonstrate that the naturally large d…
Photon-photon polaritons in chi(2) microresonators
D. V. Skryabin, V. V. Pankratov, A. Villois +1
We consider a high-Q microresonator with nonlinearity under conditions when the coupling rates between the sidebands around the pump and second harmonic exceed the dampin…
Threshold of complexity and Arnold tongues in Kerr ring microresonators
D. V. Skryabin, Z. Fan, A. Villois +1
We show that the threshold condition for two pump photons to convert into a pair of the sideband ones in Kerr microresonators with high-quality factors breaks the pump laser parame…
Universal threshold and Arnold tongues in Kerr ring microresonators
D. V. Skryabin, Z. Fan, A. Villois +1
We report that an instability boundary of a single-mode state in Kerr ring microresonators with ultrahigh quality factors breaks the parameter space span by the pump laser power an…
Frequency comb generation via cascaded second-order nonlinearities in microresonators
Jan Szabados, Danila N. Puzyrev, Yannick Minet +5
Optical frequency combs are revolutionising modern time and frequency metrology. In the past years, their range of applications has increased substantially, driven by their miniatu…
Frequency combs in a microring optical parametric oscillator
Alberto Villois, Nikita M. Kondratiev, Ingo Breunig +2
We report the soliton frequency comb generation in microring optical parametric oscillators operating in the down-conversion regime and with the simultaneous presence of the $χ^{(2…
Soliton and quasi-soliton frequency combs due to second harmonic generation in microresonators
Alberto Villois, Dmitry V. Skryabin
We report how a doublet of the symmetric oppositely tilted bistable resonance peaks in a microring resonator with quadratic nonlinearity set for generation of the second harmonic c…