Fibre Distributed Sensing for a More Secure Society

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The integration of 2D materials with optical fibers enables multifunctional fiber devices, such as polarizers, modulators, and sensors. Recent advances in direct vapor deposition growth further enhance light‐2D material interactions to centimeter‐scale len ...

For the EU DEMO conductor testing, a temperature sensor based on Fiber Bragg Grating (FBG) optical fiber is studied at the EPFL Swiss Plasma Center. The SULTAN test facility has been upgraded to use fiber optic sensor for temperature monitoring and quench ...

This paper proposes and experimentally validates a distributed temperature alarm system based on carbon dioxide (CO2)-filled 18 m side air-holes fiber (SAHF), interrogated through a conventional (incoherent) optical time-domain reflectometer (OTDR). Custom ...

Energy-efficient windows are being used to increase the thermal insulation of a fa & ccedil;ade. Such insulating windows contain an ultra-thin, multilayered, transparent silver coating that acts as an infrared mirror which significantly reduces thermal los ...

Optical parametric amplification is a promising alternative to traditional erbium-doped amplifiers, offering unidirectional, low-noise, and broadband amplification. Here we present an integrated continuous-traveling-wave parametric amplifier that surpasses ...

We demonstrate an erbium-doped waveguide amplifier by erbium ion implantation in Si3N4 photonic integrated circuits, achieving 145 mW on-chip output power and more than 30 dB small-signal gain, which is on par with commercial fiber amplifiers and beyond st ...

The real remoteness of a distributed optical fiber sensor based on Brillouin optical time-domain analysis is considerably extended in this paper using seeded second-order Raman amplification and optical pulse coding. The presented analysis and the experime ...

The increasing challenges caused by the growing and aging population and the fast pace of life are calling for a change of our current medical care system towards being rapid, easy, and on-demand self-care. Empowerment with the self-caring components such ...

We address the concept of virtual transparency in optical fibres and its application to dynamic range extension in distributed sensors. A sensor featuring 100 km measurement range with 2 meter resolution is experimentally demonstrated. ...

The ever-growing need for distributed optical fibre sensors (DOFS) in numerous fields and applications demands continuous research towards the advancement of the existing sensing systems. The convenience in the field of DOFS lies in the several degrees of ...

Programmable photonics promise a plethora of optical functions while at the same time reducing the time and costs of photonic integrated circuit (PIC) development. One primary bottleneck for development of these systems is the difficulty in increasing comp ...

This paper will review some recent progresses related to distributed optical fibre sensing using Brillouin Optical Time-Domain Analysis (BOTDA) towards increased performance in range, resolution and acquisition time. Since optical fibre sensing will certai ...

The distributed optical-fibre sensors based on the properties of Brillouin scattering is the central object of this thesis. In the past decade, optical fibres have gained a large interest as sensors: attractive solutions based on the non-linear stimulated ...

The ability to amplify optical signals is of pivotal importance across science and technology typically using rare-earth-doped fibres or gain media based on III-V semiconductors. A different physical process to amplify optical signals is to use the Kerr no ...

It has been shown analytically that Peregrine solitons emerge locally from a universal mechanism in the so-called semiclassical limit of the one-dimensional focusing nonlinear Schrodinger equation. Experimentally, this limit corresponds to the strongly non ...

A novel optical computing framework by harnessing spatiotemporal nonlinear effects of multimode fibers for machine learning is presented. With linear and nonlinear interactions of the spatial fiber modes, a brain-inspired computation engine is experimental ...

This thesis presents new developments on the different intrinsic failure mechanisms of silica optical fibres and fibre Bragg gratings with regard to applications in the fields of telecommunications and metrology. These failure mechanisms are mainly due to ...

Optical fibers have reshaped the technological landscape, from optical networks and high-speed data communication to in situ imaging and non-invasive surgery methods. The revolution allowed by these fibers has been made possible by its fabrication method, ...

Like integrated electronics, integrated photonics such as Silicon Photonics benefit from increased device-density on a single chip. Silicon is an excellent material for integrated photonics because its high refractive index allows devices to be made small, ...

Fibre Distributed Sensing for a More Secure Society

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2D Molybdenum Disulfide Embedded Photonic Crystal Fiber for all‐Fiber Phase Retarder

Quench Detection and Temperature Measurement With Fiber Optic Sensors

Distributed Temperature Alarm System Based on Incoherent Optical Time-Domain Reflectometry and Side Air-Hole Optical Fibers

Numerical study of optical transmission in silver plasmonic square nanohole arrays and its application to insulating windows

An Integrated Gallium Phosphide Optical Parametric Amplifier

A Photonic Integrated Circuit-Based Erbium-doped Waveguide Amplifier

Extending the Real Remoteness of Long-Range Brillouin Optical Time-Domain Fiber Analyzers

Functionalization of polymer optical fibers for medical application

Ultra-long range distributed fibre sensing using virtually transparent propagation

Investigating Novel Optical Fibres for More Advanced Distributed Optical Fibre Sensing

Compact Integrated Silicon Photonic Mems Power Coupler For Programmable Photonics

Recent progress in Brillouin distributed fibre sensing

Advanced trends in nonlinear optics applied to distributed optical-fibre sensors

A photonic integrated continuous-travelling-wave parametric amplifier

Local Emergence of Peregrine Solitons: Experiments and Theory

Difference-frequency generation in silicon nitride waveguides based on all-optical poling

Machine learning with multimode fibers

Reliability and lifetime of optical fibres and fibre bragg gratings for metrology and telecommunications

Design and Fabrication of Stretchable Photonic Fibers

Integration of MEMS in Silicon Photonics