Publications de Aleksandr Tusnin

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Since the discovery of dissipative Kerr solitons in optical microresonators, significant progress has been made in the understanding of the underlying physical principles from the fundamental side and generation of broadband coherent optical Kerr frequency ...

We theoretically and experimentally investigate the formation of dissipative coherent structures in Kerr nonlinear optical microresonators, whose spectrum encompasses an integrated dispersion that exceeds the cavity free-spectral range. We are able to acce ...

The short de Broglie wavelength and strong interaction empower free electrons to probe structures and excitations in materials and biomolecules. Recently, electron-photon interactions have enabled new optical manipulation schemes for electron beams. In thi ...

The intrinsic random amplitude and phase modulation of 40 distinct lines of a microresonator frequency comb operated in the modulation instability regime are used to realize massively parallel random-modulation continuous-wave light detection and ranging, ...

Combining nonlinear integrated photonics with electron microscopy, we probe the formation of optical dissipative structures in Si3N4 microresonators with free electrons and find unique spectral fingerprints in the electron spectrum that enable new electron ...

A photonic dimer composed of two evanescently coupled high-Q microresonators is a fundamental element of multimode soliton lattices. It has demonstrated a variety of emergent nonlinear phenomena, including supermode soliton generation and soliton hopping. ...

Recently, substantial progress has been made in the understanding of microresonators frequency combs based on dissipative Kerr solitons (DKSs). However, most of the studies have focused on the single-resonator level. Coupled resonator systems can open new ...

We couple free electrons with nonlinear optical states and frequency combs in photonic chip-based microresonators. Intracavity nonlinear dissipative structures including optical solitons imprint unique fingerprints in electron spectra and their Ramsey inte ...

Optical parametric oscillators enable the conversion of pump light to new frequency bands using nonlinear optical processes. Recent advances in integrated nonlinear photonics have led to the creation of compact, chip-scale sources via Kerr-nonlinearity-ind ...

We theoretically investigate chaotic and stable structures in coupled-resonator chains and synthetic frequency dimension influenced by Kerr nonlinearity, thereby bringing insights in the emerging field of soliton generation in chains and lattices of high-Q ...

In this work, we employ the avoided mode crossing engineering in microresonators for the ultra-low noise microwave generation with dissipative Kerr solitons. ...

We demonstrate the first observation of optical frequency combs at the edge state of the Su-Schrieffer-Heeger model. We show soliton-induced edge-bulk interaction and edge-state hopping. ...

We investigate coupled-resonator dispersion engineering capabilities for con-trolling the shape of the soliton microcomb in real time. ...

Aleksandr Tusnin

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Emergent nonlinear dynamics in photonic lattices

Dissipative Solitons and Switching Waves in Dispersion-Modulated Kerr Cavities

Free-electron interaction with nonlinear optical states in microresonators

Chaotic microcomb-based parallel ranging

Probing the Formation of Nonlinear Optical States with Free Electrons

Protected generation of dissipative Kerr solitons in supermodes of coupled optical microresonators

Nonlinear dynamics and Kerr frequency comb formation in lattices of coupled microresonators

Free Electron Interaction with Nonlinear Optical States

Voltage-tunable optical parametric oscillator with an alternating dispersion dimer integrated on a chip

Collective dynamics in nonlinear resonators coupled in spatial and synthetic dimensions

Quiet point engineering for low-noise microwave generation with soliton microcombs

Edge state optical frequency combs in the microresonator based Su-Schrieffer-Heeger model

Dispersion engineering with coupled microresonators for extended soliton microcomb control