Coherent near-field investigation of plasmonic structures

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This special issue explores the dynamic and rapidly evolving field of optical computing, with a focus on guided nonlinear optics for information processing. Recent years have seen a resurgence of interest in this area [1], fuelled by groundbreaking experim ...

High-power tunable lasers are intensely pursued due to their vast application potential such as in telecom, ranging, and molecular sensing. Integrated photonics, however, is usually considered not suitable for high-power applications mainly due to its smal ...

Hybrid photonic integrated lasers have revolutionized laser technology by combining the scalable manufacturing of simple laser diodes with high-performance features such as frequency stability, opticallinewidth, and tuning linearity [1], traditionally only ...

A compact platform to integrate emitters in a cavity-like support is to embed quantum dots (QDs) in a photonic crystal (PhC) structure, making them promising candidates for integrated quantum photonic circuits. The emission properties of QDs can be modifie ...

Photonic integrated circuits (PICs) have revolutionized optical communication and precision metrology by enabling compact, scalable, and high-performance optical systems. However, conventional integrated laser sources suffer from limitations such as poor c ...

Thin film aluminum nitride (AlN) stands out as a promising material for integrated photonics due to its wide bandgap of 6.1 eV, facilitating efficient operation across diverse spectral ranges. Its inherent electro-optic and nonlinear optical properties mak ...

Photonics in the ultraviolet provides an avenue for key advances in biosensing, pharmaceutical research, and environmental sensing. However, despite recent progress in photonic integration, a technological solution to fabricate photonic integrated circuits ...

Recent decades have seen significant advancements in integrated photonics, driven by improvements in nanofabrication technology. This field has been developed from integrated semiconductor lasers and low-loss waveguides to optical modulators, enabling the ...

Nonlinear epsilon-near-zero (ENZ) nanodevices featuring vanishing permittivity and CMOS-compatibility are attractive solutions for large-scale-integrated systems-on-chips. Such confined systems with unavoidable heat generation impose critical challenges fo ...

Keeping up with our constantly connected lifestyle of instant messages and video streaming has its repercussions. Data centers have been gobbling up resources becoming a significant share of the energy used worldwide. To keep up with demand and curb the en ...

This thesis explores the application of recent advances in integrated photonics to the field of light detection and ranging (LiDAR). The progress in photonic integration allows for unprecedented levels of light manipulation on micrometer scales through the ...

We demonstrate an integrated source of frequency-entangled photon pairs on a silicon photonics chip. The emitter has a coincidence-to-accidental ratio exceeding 10(3). We prove entanglement by showing two-photon frequency interference with a visibility of ...

Optical absorption and nonlinear index are important performance drivers in devices like microcombs and parametric oscillators. Here we use resonance-enhanced nonlinear spectroscopy to characterize absorption limits and nonlinear index for some integrated ...

Integrated photonics enables signal synthesis, modulation and conversion using photonic integrated circuits (PICs). Many materials have been developed, among which silicon nitride (Si3N4) has emerged as a leading platform particularly for nonlinear photoni ...

Natural foundations defining the manner in which a solid material interacts with optical radiation are primarily encoded in the material's momentum-dependent band structure and the microscopic details of the electron-lattice interactions. An access to this ...

Integrated photonic devices based on Si3N4 waveguides allow for the exploitation of nonlinear frequency conversion, exhibit low propagation loss, and have led to advances in compact atomic clocks, ultrafast ranging, and spectroscopy. Yet, the lack of Pocke ...

Recent advances in the study of synthetic dimensions revealed a possibility to employ the frequency space as an additional degree of freedom which allows for investigating and exploiting higher-dimensional phenomena in a priori low-dimensional systems. How ...

Chip-based optical waveguides formed by a silicon nitride (Si3N4) core and a silicon dioxide (SiO2) cladding are an important platform for low loss waveguides and nonlinear optics. High Q microresonators based on this material system have become a standard ...

In 2007 a new method to generate optical frequency combs was discovered. In contrast to conventional frequency combs which are generated from pulsed laser sources, these Kerr frequency combs (also known as microresonator frequency combs) are generated enti ...

High-speed optical interconnects rely on advanced wavelength-division multiplexing (WDM) schemes. However, while photonic-electronic interfaces can be efficiently realized on silicon-on-insulator chips, dense integration of the necessary light sources stil ...

Coherent near-field investigation of plasmonic structures

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Guided Nonlinear Optics for Information Processing

Sub-2W tunable laser based on silicon photonics power amplifier

Ultrafast Tunable Photonic Integrated Extended-DBR Pockels Laser

Spatial quantum-interference landscapes of multi-site-controlled quantum dots coupled to extended photonic cavity modes

Low-noise, frequency-agile photonic integrated lasers

Ultraviolet to mid-infrared optical properties of sputtered Al(Sc)N-on-SiO2 thin films and experimental demonstration of AlN integrated photonic devices in the telecom C-band

Low-loss and high-index contrast ultraviolet-C free-standing waveguides made of thermal silicon oxide

Piezoelectric actuation for integrated photonics

Thermo-optic epsilon-near-zero effects

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

Nonlinear Integrated Photonics for Ranging Applications

A silicon source of frequency-bin entangled photons

Probing the Material Loss and Optical Nonlinearity of Integrated Photonic Materials

Magnetic-free silicon nitride integrated optical isolator

Time- and Angle-Resolved Photoelectron Spectroscopy of Solar Materials

Hybrid integrated photonics using bulk acoustic resonators

Nonlinear states and dynamics in a synthetic frequency dimension

Photonic Damascene process for integrated high Q microresonator based nonlinear photonic devices

Soliton Kerr Frequency Combs Generated in Integrated Photonic Chips

Terabit/s communications using chip-scale frequency comb sources