Magnetic-free silicon nitride integrated optical isolator

Chat with Graph Search

Ask any question about EPFL courses, lectures, exercises, research, news, etc. or try the example questions below.

DISCLAIMER: The Graph Chatbot is not programmed to provide explicit or categorical answers to your questions. Rather, it transforms your questions into API requests that are distributed across the various IT services officially administered by EPFL. Its purpose is solely to collect and recommend relevant references to content that you can explore to help you answer your questions.

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 ...

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 ...

Frequency-agile lasers that can simultaneously feature low noise characteristics and fast mode-hop-free frequency tuning are keystone components for applications ranging from LiDAR and distributed sensing to communication and quantum information processing ...

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 ...

Quantum computing is expected to complement classical von-Neumann architectures in solving problems beyond the reach of conventional digital machines. This new model of computation leverages the rich complexity of many-body quantum systems to perform compu ...

Metasurfaces provide an ideal platform for optical sensing because they produce strong light-field confinement and enhancement over extended regions that allow us to identify deep-subwavelength layers of organic and inorganic molecules. However, the requir ...

The Terahertz (THz) frequency domain lies between the realms of microwave and optics, with frequencies conventionally spanning the 0.1-10 THz spectral range [1]. Many commercially-available THz systems routinely exploits optical down/up conversion mechanis ...

Low-dimensional materials exhibiting stable magnetic ordering are interesting from a fundamental point of view as well as for future application in information technologies. Metalorganic magnets, created by linking metal atoms with specific organic molecul ...

Two-level systems (TLSs) are the basic units of quantum computers but face a trade-off between operation speed and coherence due to shared coupling paths. Here, we investigate a TLS given by a singlet-triplet (ST+) transition. We identify a magnetic-field ...

The spin-orbit field and interfacial exchange field (IEF) are two major interface phenomena, and the detection and manipulation of these fields can enable a variety of nanoscale spintronics devices. Optimizing the IEF, which governs the spin-dependent scat ...

Ultraviolet (UV) pulses at 450 fs are a powerful tool for femtosecond laser waveguide writing in fused silica. Whereas typically sub-200 fs pulses at a high exposure dose were required, UV light efficiently creates waveguides with propagation losses below ...

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 ...

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 ...

Erbium-doped fibre lasers exhibit high coherence and low noise as required for fibre-optic sensing, gyroscopes, LiDAR and optical frequency metrology. Endowing erbium-based gain in photonic integrated circuits can provide a basis for miniaturizing low-nois ...

We demonstrate ultra-low propagation loss, lithographic precision, and wafer-scale manufacturing for high-density Si3N4 photonic integrated circuits using an efficient DUV-based subtractive approach. We show a propagation loss as low as 1.4 dB/m at 1.55 µm ...

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 ...

A birdcage resonant helicon antenna is designed, mounted, and tested in the toroidal device TORPEX. The birdcage resonant antenna is an alternative to the usual Boswell or half-helical antenna designs commonly used for ∼ 10 cm diameter helicon sources in l ...

Recent advancements in ultra-low-loss silicon nitride (Si3N4)-based photonic integrated circuits have surpassed fiber lasers in coherence and frequency agility. However, high manufacturing costs of DFB and precise control requirements, as required for self ...

Magnetic-free silicon nitride integrated optical isolator

Chat with Graph Search

Low-noise, frequency-agile photonic integrated lasers

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

Ultrafast tunable photonic-integrated extended-DBR Pockels laser

Guided Nonlinear Optics for Information Processing

Electron Spin Qubit Architectures on Fully Depleted Silicon-On-Insulator Substrates for Scalable Quantum Computing

Plasmonic biosensor enabled by resonant quantum tunnelling

Field-Resolved Detection of Broadband Terahertz Pulses with Thin-Film Lithium Niobate Integrated Microring Resonators

2D Metalorganic Ferromagnets

A dephasing sweet spot with enhanced dipolar coupling

Electrical detection of interfacial exchange field at the (ferromagnetic insulator) | (normal metal) interface using spin-dependent scattering

On the Use of UV Femtosecond Pulses to Write Waveguides in Fused Silica

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

Piezoelectric actuation for integrated photonics

A fully hybrid integrated erbium-based laser

Foundry compatible, efficient wafer-scale manufacturing of ultra-low loss, high-density Si3N4 photonic integrated circuits

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

A birdcage resonant antenna for helicon wave generation in TORPEX

Piezoelectrically tunable, narrow linewidth photonic integrated extended-DBR lasers