Chaotic microcomb-based parallel ranging

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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 ...

Stoichiometric silicon nitride is a highly regarded platform for its favorable attributes, such as low propagation loss and compatibility with complementary metal-oxide-semiconductor technology, making it a prominent choice for various linear and nonlinear ...

The optical domain presents potential avenues for enhancing both computing and communication due to its inherent properties of bandwidth, parallelism, and energy efficiency. This research focuses on harnessing 3-Dimensional (3D) diffractive optics for nove ...

We demonstrate a figure-of-9 all-fiber thulium-doped laser (TDFL) that generates 560 fs long pulses at 1948 nm wavelength. In order to achieve self-starting passive mode-locking, we utilize an in-fiber Faraday rotator to induce a nonreciprocal phase shift. ...

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Photonics integrated circuits are a promising solution for the growing demands of data transmission and future system-on-chip technologies. Within this context, nonlinear optical interactions offer unique opportunities for all-optical processing, sampling, ...

The interaction of light and matter enables nonlinear frequency conversion and the creation of coherent currents. The optical control of electric currents is of fundamental relevance and prominent research focus in the last decades. These photocurrents ena ...

Nonlinear optical frequency conversion is one of the driving research areas in photonics. Its quasi instantaneous response and the promise of low power consumption in integrated structures could cover the demand for fast signal processing with minimal ener ...

Dynamic aperture is an important concept for the study of non-linear beam dynamics in circular accelerators. It describes the extent of the phase-space region where a particle's motion remains bounded over a given number of turns. Understanding the feature ...

Current cryptographic solutions will become obsolete with the arrival of large-scale universal quantum computers. As a result, the National Institute of Standards and Technology supervises a post-quantum standardization process which involves evaluating ca ...

This thesis investigates the magnetic properties of single atoms and molecules adsorbed on thin magnesium oxide decoupling layers, grown on a silver single crystal. To address these systems experimentally, we use a low temperature scanning tunneling micros ...

Photonic integrated circuits are paving the way for novel on-chip functionalities with diverse applications in communication, computing, and beyond. The integration of on-chip light sources, especially single-mode lasers, is crucial for advancing those pho ...

Diode effects are of great interest for both fundamental physics and modern technologies. Electrical diode effects (nonreciprocal transport) have been observed in Weyl systems. Optical diode effects arising from the Weyl fermions have been theoretically co ...

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Combining optical gain in direct-bandgap III-V materials with tunable optical feedback offered by advanced photonic integrated circuits is key to chip-scale external-cavity lasers (ECL), offering wideband tunability along with low optical linewidths. Exter ...

Modern digital connectivity has necessitated the creation of robust methods for securely storing and transferring data. At the heart of all security infrastructure is the random number generator (RNG). While random numbers find use in a variety of applicat ...

Integrated optics has shown itself very convenient for exploiting nonlinear processes as it results in high confinement factor, freedom of dispersion engineering and compactness. However, the choice of materials is crucial for the development of nonlinear ...

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Chaotic microcomb-based parallel ranging

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Emergent nonlinear dynamics in photonic lattices

Silicon nitride electric-field poled microresonator modulator

3D diffractive optics for linear interconnects and nonlinear processing

Wavelength-stabilized figure-of-9 thulium-doped all-fiber laser emitting 560 fs pulses

Wave optical model for tomographic volumetric additive manufacturing

Parametric Wavelength Conversion in Waveguiding Structures: Efficiency, Bandwidth and Polarization

Photoinduced Second-Order Nonlinearities in Centrosymmetric Media

Electric-field-induced second-order nonlinear processes in stoichiometric silicon nitride

Optimizing Dynamic Aperture Studies with Active Learning

Side-channel analysis of isogeny-based key encapsulation mechanisms and hash-based digital signatures

Magnetism of Single Surface Adsorbed Atoms Studied with Radio-Frequency STM

Single-Mode Laser in the Telecom Range by Deterministic Amplification of the Topological Interface Mode

Nonlinear optical diode effect in a magnetic Weyl semimetal

The Strong Integral Input-to-State Stability Property in Dynamical Flow Networks

Domain Imaging and Switching Dynamics in BaTiO3-Based Photonic Integrated Devices

Nonlinear Integrated Photonics for Ranging Applications

Sub-kHz-Linewidth External-Cavity Laser (ECL) With Si3N4 Resonator Used as a Tunable Pump for a Kerr Frequency Comb

Modelling and design of CMOS SPAD sensors for quantum random number generation

Hybrid lithium niobate-on-silicon nitride platform for mid-IR supercontinuum generation

Linear and nonlinear applications of miniaturized silicon nitride microresonators