Publications associées à Microwave photonics filtering technique for interrogating long weak fiber Bragg grating sensors

Publications associées (38)

Low-noise, frequency-agile photonic integrated lasers

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 ...

EPFL2025

Guided Nonlinear Optics for Information Processing

Demetri Psaltis

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 ...

WALTER DE GRUYTER GMBH2025

Ultrafast Tunable Photonic Integrated Extended-DBR Pockels Laser

Tobias Kippenberg, Anat Siddharth, Zheru Qiu, Andrey Voloshin, Simone Bianconi

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 ...

IEEE2025

Integrated chirped photonic-crystal cavities in gallium phosphide for broadband soliton generation

Tobias Kippenberg, Johann Emmeram Riemensberger, Miles Henry Anderson, Nikolai Kuznetsov, Alisa Davydova

Chirped mirrors have underpinned advances in ultra-fast lasers based on bulk optics but have yet to be fully exploited in integrated photonics, where they could provide a means to engineer otherwise unattainable dispersion profiles for a range of nonlinear ...

2024

Piezoelectric actuation for integrated photonics

Tobias Kippenberg, Rui Ning Wang, Johann Emmeram Riemensberger, Anat Siddharth, Andrey Voloshin, Viacheslav Snigirev, Terence Albert Emile Blésin, Andrea Bancora, Vladimir Shadymov

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 ...

Optica Publishing Group2024

A fully hybrid integrated erbium-based laser

Tobias Kippenberg, Rui Ning Wang, Johann Emmeram Riemensberger, Zheru Qiu, Xinru Ji, Andrey Voloshin, Yang Liu, Andrea Bancora

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 ...

Nature Publishing Group2024

Piezoelectrically tunable, narrow linewidth photonic integrated extended-DBR lasers

Tobias Kippenberg, Johann Emmeram Riemensberger, Anat Siddharth, Zheru Qiu, Andrey Voloshin, Junyin Zhang, Andrea Bancora, Simone Bianconi

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 ...

Optica Publishing Group2024

All-Dielectric Nanophotonic via Glass Fluid Instabilities

Pierre-Luc Eloi Piveteau

In this thesis work, we propose to exploit an innovative micro/nano-fabrication process, based on controlled fluid instabilities of a thin viscous film of chalcogenide glass. Amorphous selenium and arsenic triselenide were used in this thesis work, and com ...

EPFL2024

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

Luis Guillermo Villanueva Torrijo, Hernán Furci

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 ...

2024

Robustness in Subwavelength Locally-Resonant Metamaterial Waveguides

Romain Christophe Rémy Fleury, Bakhtiyar Orazbayev, Nadège Sihame Kaïna

Guiding electromagnetic energy at a subwavelength scale is one of the most highly demanded functionalities in a variety of applications, including compact, lightweight satellite communications, signal and data processing, and power systems. The existing sc ...

IEEE2020

Resonant Waveguide Gratings for Color-Selective Diffraction

Giorgio Quaranta

Resonant waveguide gratings (RWGs), also known as guided mode resonant (GMR) gratings or waveguide-mode resonant gratings, are dielectric structures where these resonant diffractive elements benefit from lateral leaky guided modes and can operate from UV t ...

EPFL2019

Slow light engineering in resonant photonic crystal line-defect waveguides

Romain Christophe Rémy Fleury, Maliheh Khatibi Moghaddam

Slow light plays an outstanding role in a wide variety of optical applications, from quantum information to optical processing. While slow optical guiding in photonic crystal waveguides is typically based on Bragg band gaps occurring in non-resonant photon ...

2019

Nonlinear Integrated Photonics for Ranging Applications

Anton Lukashchuk

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 ...

EPFL2023

Optically Probed Time Dynamics of χ(2) Grating Inscription in SiN Waveguides

Tobias Kippenberg, Camille Sophie Brès, Davide Grassani, Edgars Nitiss, Tianyi Liu

Silicon Nitride (S13N4) waveguide platforms have seen significant interest in the recent years, motivated by several advantageous properties such as compatibility with CMOS fabrication standards, low propagation loss, high refractive index and optical nonl ...

2019

Study on the possibility of Φ-OTDR sensing in hollow-core fibres

Luc Thévenaz, Malak Mohamed Hossameldeen Omar Mohamed Galal, Yuting Yang

The backscattering process in hollow core fibres shows a large similarity with Rayleigh scattering, offering the potential to be exploited for distributed sensing. A classical Φ-OTDR implementation is used to observe the backscattering signal from the surf ...

SPIE2023

Recent Advances in Resonant Waveguide Gratings

Olivier Martin, Benjamin Gallinet, Giorgio Quaranta

Resonant waveguide gratings (RWGs), also known as guided mode resonant (GMR) gratings or waveguide-mode resonant gratings, are dielectric structures where these resonant diffractive elements benefit from lateral leaky guided modes from UV to microwave freq ...

2018

Spectral Tuning of High-Harmonic Generation with Resonance-Gradient Metasurfaces

Hatice Altug, Felix Ulrich Brikh, Ivan Sinev

High-index dielectric subwavelength structures and metasurfaces are capable of enhancing light-matter interaction by orders of magnitude via geometry-dependent optical resonances. This enhancement, however, comes with a fundamental limitation of a narrow s ...

Wiley-V C H Verlag Gmbh2023

Theta laser

Camille Sophie Brès, Svyatoslav Kharitonov

An unidirectional short-wave infrared fiber laser, comprising a theta cavity, with a gain unit based on rare-earth cations-doped fiber, the theta cavity having a ring cavity with two additional 2 input ports×2 output ports directional couplers DC1 and DC2 ...

2018

Metasurface-stabilized optical microcavities

Ileana-Cristina Benea-Chelmus

Cavities concentrate light and enhance its interaction with matter. Confining to microscopic volumes is necessary for many applications but space constraints in such cavities limit the design freedom. Here we demonstrate stable optical microcavities by cou ...

Nature Portfolio2023

Ultra-wide-band structural slow light

Romuald Houdré, Vincenzo Savona, Momchil Minkov, Mohamed Sabry Abdel-Aliem Mohamed

The ability of using integrated photonics to scale multiple optical components on a single monolithic chip offers key advantages to create miniature light-controlling chips. Numerous scaled optical components have been already demonstrated. However, presen ...

Nature Research2018