Real-time characterization of microresonator dynamics is important for many applications. In particular, it critical near-field sensing and understanding light–matter interactions. Here, we report camera-facilitated imaging analysis standing wave patterns in optical ring resonators. The pattern generated through bidirectional pumping a microresonator, the scattered light from collected by short-wave infrared (SWIR) camera. recorded scattering are wavelength dependent, intensity exhibits...

Abstract Spontaneous symmetry breaking of a pair vector temporal cavity solitons has been established as paradigm to modulate optical frequency combs, and finds many applications in metrology, standards, communications, photonic devices. While this phenomenon successfully observed Kerr ring resonators, the counterpart exploiting linear Fabry-Pérot cavities is still unexplored. Here, we consider field polarization properties describe comb generation through spontaneous within coherently...

Spontaneous symmetry breaking is an important concept in many areas of physics. A fundamentally simple mechanism electrodynamics occurs between counter-propagating electromagnetic waves ring resonators, mediated by the Kerr nonlinearity. The interaction light bi-directionally pumped microresonators finds application realisation optical non-reciprocity (for diodes), studies PT-symmetric systems, and generation solitons. Here, we present comprehensive analytical dynamical models for nonlinear...

We describe spontaneous symmetry breaking in the powers of two optical modes coupled into a ring resonator, using pair Lorentzian equations, featuring tunable self- and cross-phase modulation terms. investigate wide variety nonlinear materials by changing ratio interaction coefficients. Static dynamic effects range from number stability stationary states to onset nature oscillations. Minimal conditions observe are provided terms self-/cross-phase coefficients, detuning, input power....

High-power counter-propagating light in optical microresonators leads to instabilities and oscillatory states, exposing a fundamental limitation on the amount of that can be stored these systems.

Kerr-effect-induced changes of the polarization state light are well known in pulsed laser systems. An example is nonlinear rotation, which critical to operation many types mode-locked lasers. Here, we demonstrate that Kerr effect a high-finesse Fabry-Pérot resonator can be utilized control continuous wave laser. It shown linearly-polarized input field converted into left- or right-circularly-polarized field, controlled via optical power. The observations explained by Kerr-nonlinearity...

Abstract Symmetry breaking of light states is interest for the understanding nonlinear optics, photonic circuits, telecom applications and optical pulse generation. Here we demonstrate multi-stage symmetry resonances ring resonators with Kerr nonlinearity. This naturally occurs in a resonator bidirectionally propagating orthogonal polarization components. The derived model used to theoretically describe system shows that four circulating field components can display full symmetry, asymmetry,...

We investigate theoretically and experimentally the instabilities of symmetry-broken, vectorial, bright cavity solitons (CSs) two-mode nonlinear passive Kerr resonators. Through comprehensive theoretical analyses coupled Lugiato-Lefever equations, we identify two different breathing regimes where components vectorial CSs breathe respectively in-phase out-of-phase. Moreover, find that deep out-of-phase can lead to intermittent self-switching components, spontaneously transforming a soliton...

Symmetry and symmetry breaking of light states play an important role in photonic integrated circuits have recently attracted lots research interest that is relevant to the manipulation polarization, telecommunications, all optical computing, more. We consider four-field within two different configurations dimer systems, both comprised identical Kerr ring resonators. In each configuration we observe multiple degrees levels spontaneous between circulating photon numbers further, a wide range...

The ranges of existence and stability dark cavity-soliton stationary states in a Fabry-P\'erot resonator with Kerr nonlinear medium normal dispersion are determined. configuration introduces nonlocal coupling that shifts the cavity detuning by round trip average power intracavity field. When compared ring resonators described Lugiato-Lefever equation, leads to strongly detuned solitons exist over wide range detunings. This shift is consequence counterpropagation fields inherent resonators....

Within optical microresonators, the Kerr interaction of photons can lead to symmetry breaking modes. In a ring resonator, this leads interesting effect that light preferably circulates in one direction or polarization state. Applications range from chip-integrated diodes nonlinear controllers and gyroscopes. work, we study Kerr-nonlinearity-induced states coupled resonator waveguides (CROWs). We discover, our knowledge, new type controllable emerging patterns dark bright resonators within...

Abstract Dissipative solitons are self-localized structures that can persist indefinitely in open systems driven out of equilibrium. They play a key role photonics, underpinning technologies from mode-locked lasers to microresonator optical frequency combs. Here we report on experimental observations spontaneous symmetry breaking dissipative solitons. Our experiments performed nonlinear ring resonator, where arise the form persisting pulses light known as Kerr cavity We engineer between two...

Within optical microresonators, the Kerr interaction of photons can lead to symmetry breaking modes. In a ring resonator, this leads interesting effect that light preferably circulates in one direction or polarization state. Applications range from chip-integrated diodes nonlinear controllers and gyroscopes. work, we study Kerr-nonlinearity-induced states coupled resonator waveguides (CROWs). We discover new type controllable emerging patterns dark bright resonators within chains. Beyond...

Nonlinear effects in microresonators are efficient building blocks for all-optical computing and telecom systems. With the latest advances microfabrication, coupled used a rapidly growing number of applications. In this work, we investigate coupling between twin-resonators presence Kerr-nonlinearity. We use an experimental setup with controllable two high-Q resonators discuss caused by simultaneous linear non-linear optical fields. Linear-coupling-induced mode splitting is observed at low...

Long-range interactions between dark vectorial temporal cavity solitons are induced by the formation of patterns via spontaneous symmetry breaking orthogonally polarized fields in ring resonators. Turing alternating polarizations form adjacent solitons, pushing them apart so that a random distribution along length spontaneously reaches equal equilibrium distances, soliton crystal, without any mode crossing or external modulation. Enhancement frequency comb is achieved through regularly...

Symmetry and symmetry breaking of light states play an important role in photonic integrated circuits have recently attracted lots research interest that is relevant to the manipulation polarisation, telecommunications, all optical computing, more. We consider four-field within two different configurations dimer systems, both comprised identical Kerr ring resonators. In each configuration we observe multiple degrees levels spontaneous between circulating photon numbers further, a wide range...

Pure fifth-order chromatic dispersion-based frequency combs are theoretically and numerically investigated. We find that multiple bright, dark, multi-peak soliton solutions exist simultaneously.

Real-time characterization of microresonator dynamics is important for many applications. In particular it critical near-field sensing and understanding light-matter interactions. Here, we report camera-facilitated imaging analysis standing wave patterns in optical ring resonators. The pattern generated through bi-directional pumping a the scattered light from collected by short-wave infrared (SWIR) camera. recorded scattering are wavelength dependent, intensity exhibits linear relation with...

Long range interactions between dark vectorial temporal cavity solitons are induced though the spontaneous symmetry breaking of orthogonally polarized fields in ring resonators. Turing patterns alternating polarizations form adjacent solitons, pushing them apart so that a random distribution along length reaches equal equilibrium distances. Enhancement frequency comb is achieved through formation regularly spaced soliton crystals, 'self-crystallization', with greater power and spacing...

We perform real-time imaging of standing waves in bi-directionally pumped microresonators. This is achieved by collecting scattered light with a short-wave infrared camera. The measurements enable subwavelength distance scattering sources nanometer-level accuracy.

We investigate linear and nonlinear dynamics of light in coupled resonators. In our experiments, we can adjust the coupling gap between two resonators real-time to study symmetry breaking hybridized counterpropagating modes.

We show the control of optical power patterns in coupled resonators waveguides (CROW) via Kerr effect. This has applications photonic integrated circuits, especially for light steering, sensors, and computing.

A “self-crystallization” phenomenon of dark vectorial temporal cavity solitons can occur in Fabry-Pérot resonators, with major applications frequency comb generation. This arises from the long-range interactions between symmetry-broken light fields orthogonal polarizations.

Experiments and simulations of unusual bright vector solitons in Kerr ring resonators with normal dispersion displaying a phase defect jump π one the linear polarization components are presented.