Research Explorer

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Researcher

Nicolas Le Thomas

Publications & Research Data

Awards & Distinctions

85 Results

2025

A 200 mm wafer-scale Al2O3 photonics waveguide technology for UV and visible applications

P. NeutensE. MafakheriXiujun ZhengP. HelinZ. JafariChupao LinG. JeevanandamNga P. PhamShiqi FanChenming Su et al.

A1 Journal Article in IEEE PHOTONICS JOURNAL

Broadband, high resolution, sensitive spectrometer using an integrated optical phased array in silicon nitride and Fourier imaging

Zuyang LiuNicolas Le ThomasRoel Baets

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

Demonstration of a photonic integrated circuit for quantitative phase imaging

Chupao LinYujie GuoNicolas Le Thomas

A1 Journal Article in PHOTONICS RESEARCH

Enhancing local ionization in micro-gap atmospheric discharge

Yize LiuNicolas Le ThomasChristophe LeysAnton Nikiforov

A1 Journal Article in NEW JOURNAL OF PHYSICS

Ultra-low loss and large bandwidth fiber-to-chip edge coupler for aluminum oxide photonic platform at UV-visible wavelengths

Chupao LinMax KiewietRobin PetitJolien DendoovenNicolas Le ThomasChristophe DetavernierBart Kuyken

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

2024

Al2O3 photonic integrated circuits for UV optical microscopy

Nicolas Le Thomas

Bottom-reflector enhanced grating couplers micro-transfer printed on silicon nitride photonic integrated circuits

Zuyang LiuJing ZhangGünther RoelkensNicolas Le ThomasRoel Baets

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

Characterization of grating out-couplers in the ultraviolet-C wavelength range for on-chip spectroscopy

Chenming SuNicolas Le Thomas

Chlamydia psittaci infected cell studies by 4Pi Raman and atomic force microscopy

Dmitry KhalenkowAlejandro Diaz TormoAnne De MeystLouis Van der MeerenJoost VerduijnJoanna RybarczykDaisy VanrompayNicolas Le ThomasAndre Skirtach

A1 Journal Article in MICROSCOPY

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

Chenming SuClaudio A. Jaramillo ConchaChupao LinNiels QuackChristophe GallandNicolas Le Thomas

A1 Journal Article in OPTICS LETTERS

Photonic integrated circuits for UV microscopy and spectroscopy

Nicolas Le Thomas

2023

Exploring methods to improve the detection limit of waveguide-enhanced Raman spectroscopy

Zuyang LiuRoel BaetsNicolas Le Thomas

On-chip silicon nitride optical phased array as a broadband near-infrared spectrometer

Zuyang LiuNicolas Le ThomasRoel Baets

UV photonic integrated circuits for label-free structured illumination microscopy and quantitative phase imaging

Chupao LinNicolas Le ThomasRoel Baets

UV photonic integrated circuits for robust quantitative phase imaging

Chupao LinRoel BaetsNicolas Le Thomas

UV photonic-integrated-circuits-based structured illumination microscopy with a field of view larger than 100 μm2

Chupao LinDavid SchaubroeckRoel BaetsNico BoonNicolas Le Thomas

A1 Journal Article in IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS

Wafer-level-integrated vertical-waveguide sub-diffraction-limited color splitters

S. KangM. BenelajlaR. Mac CiamainF. AliA. PapadopoulouO. ShramkovaL. WittersJ. De VosP.E. MalinowskiP. Heremans et al.

2022

Micro-transfer printed silicon nitride grating couplers for efficient on-chip light coupling

Zuyang LiuGrigorij MuliukJing ZhangGünther RoelkensNicolas Le ThomasRoel Baets

UV photonic integrated circuits for far-field structured illumination autofluorescence microscopy

Chupao LinJuan Santo-Domingo PeñarandaJolien DendoovenChristophe DetavernierDavid SchaubroeckNico BoonRoel BaetsNicolas Le Thomas

A1 Journal Article in NATURE COMMUNICATIONS

UV-compatible photonic integrated circuits forlabel-free structured illumination microscopy

Chupao LinJuan Santo-Domingo PeñarandaJolien DendoovenChristophe DetavernierDavid SchaubroeckNico BoonRoel BaetsNicolas Le Thomas

2021

Photonic integrated alumina waveguide gratings for far-field structured illumination at UV wavelengths

Chupao LinJuan Santo-Domingo PeñarandaJolien DendoovenChristophe DetavernierDavid SchaubroeckRoel BaetsNicolas Le Thomas

Raman on-chip : current status and future tracks

Nicolas Le ThomasZuyang LiuChupao LinHaolan ZhaoRoel Baets

Ultra-sensitive slot-waveguide-enhanced Raman spectroscopy for aqueous solutions of non-polar compounds using a functionalized silicon nitride photonic integrated circuit

Zuyang LiuHaolan ZhaoBettina BaumgartnerBernhard LendlAndim StassenAndre SkirtachNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS LETTERS

2020

Low-loss single-mode waveguides operating at UV/violet wavelengths and fabricated with contact optical lithography

Chupao LinDavid SchaubroeckGünther RoelkensRoel BaetsNicolas Le Thomas

Ultra-sensitive silicon nitride waveguide-enhanced Raman spectroscopy for aqueous solutions of organic compounds

Zuyang LiuHaolan ZhaoBettina BaumgartnerBernhard LendlAndre SkirtachNicolas Le ThomasRoel Baets

2019

4π raman microscopy

Alejandro Diaz TormoNicolas Le Thomas

Design of slot waveguide for ultra-violet light based on atomic layer deposition

Chupao LinRoel BaetsGünther RoelkensNicolas Le Thomas

High index contrast photonic platforms for on-chip Raman spectroscopy

Ali RazaStéphane ClemmenPieter WuytensMichiel de GoedeAmy SK TongNicolas Le ThomasChengyu LiuJin SuntivichAndre SkirtachSonia M Garcia-Blanco et al.

A1 Journal Article in OPTICS EXPRESS

Low-power optical beam steering by microelectromechanical waveguide gratings

Carlos Errando-HerranzNicolas Le ThomasKristinn B. Gylfason

A1 Journal Article in OPTICS LETTERS

On the performance of tantalum pentoxide and silicon nitride slot waveguides for on-chip raman spectroscopy

Zuyang LiuHaolan ZhaoAli RazaNicolas Le ThomasRoel Baets

Raman and quantitative-phase microscope with counter-propagating beams demonstrated on HeLa cells

Alejandro Diaz TormoDmitry KhalenkowAndre SkirtachNicolas Le Thomas

A2 Journal Article in OSA CONTINUUM

2018

4π microscopy immune to sample-induced dephasing

Alejandro Diaz TormoDmitry KhalenkowAndre SkirtachNicolas Le Thomas

Fabrication and characterization of integrated photonic crystal cavities for sensing applications

Saurav KumarNicolas Le Thomas

Fundamental detection limit of integrated photonic sensors

Nicolas Le Thomas

Fundamental thermodynamic noise integrated photonic sensors

Nicolas Le Thomas

Impact of fundamental thermodynamic fluctuations on light propagating in photonic waveguides made of amorphous materials

Nicolas Le ThomasAshim DhakalAli RazaFrédéric PeyskensRoel Baets

A1 Journal Article in OPTICA

Multi-beam microscopy free of sample-induced phase distortions

Alejandro Diaz TormoDmitry KhalenkowAndre SkirtachNicolas Le Thomas

Nano-patterned quantum dot-LED structures with enhanced photoluminescense emission directionality

Lukas ElsingerTom VandekerckhoveNatalia Klaudia ZawackaNicolas Le ThomasZeger HensDries Van Thourhout

Study of bacterial inner structures with 4π raman microscopy

Alejandro Diaz TormoDmitry KhalenkowAndre SkirtachNicolas Le Thomas

Thermo-refractive noise at high frequency : beyond the conventional model

Nicolas Le ThomasAli RazaRoel Baets

2017

Bioinspired bright noniridescent photonic melanin supraballs

Ming XiaoZiying HuZhao WangYiwen LiAlejandro Diaz TormoNicolas Le ThomasBoxiang WangNathan C GianneschiMatthew ShawkeyAli Dhinojwala

A1 Journal Article in SCIENCE ADVANCES

CMOS fabricated large array of free standing substrate-less photonic crystal cavities for biosensing applications

Saurav KumarSulakshna KumariNicolas Le Thomas

CMOS fabricated large array of free standing substrate-less photonic crystal cavities for biosensing applications

Saurav KumarSulakshna KumariNicolas Le Thomas

A1 Journal Article in IEEE PHOTONICS JOURNAL

Expanding the silicon photonics portfolio with silicon nitride photonic integrated circuits

Abdul RahimEva RyckeboerAnanth SubramanianStéphane ClemmenBart KuykenAshim DhakalAli RazaArtur HermansMuhammad MuneebSören Dhoore et al.

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

Impact of the light coupling on the sensing properties of photonic crystal cavity modes

Saurav KumarNicolas Le Thomas

On-chip raman spectroscopy

Pieter WuytensAli RazaHaolan ZhaoNina TurkFrédéric PeyskensAshim DhakalXiaomin NieEva RyckeboerStéphane ClemmenNicolas Le Thomas et al.

Probing the fundamental detection limit of photonic crystal cavities

Saurav KumarNicolas Le Thomas

A1 Journal Article in OPTICA

Raman microscopy with two counter-propagating beams

Alejandro Diaz TormoDmitry KhalenkowAndre SkirtachNicolas Le Thomas

Silicon nitride background in nanophotonic waveguide enhanced raman spectroscopy

Ashim DhakalPieter WuytensAli RazaNicolas Le ThomasRoel Baets

A1 Journal Article in MATERIALS

Spectroscopic sensing with silicon nitride photonic integrated circuits

Stéphane ClemmenAli RazaAshim DhakalFrédéric PeyskensAnanth SubramanianP. Van DorpePieter WuytensHaolan ZhaoEva RyckeboerS. Severi et al.

Superresolution 4π Raman microscopy

Alejandro Diaz TormoDmitry KhalenkowSaurav KumarAndre SkirtachNicolas Le Thomas

A1 Journal Article in OPTICS LETTERS

2016

Hybrid single mode nanophotonic-plasmonic waveguides for on-chip surface enhanced raman spectroscopy

Frédéric PeyskensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

Imaging of photonic crystal cavity mode via refractive index sensing

Saurav KumarNicolas Le Thomas

Lab-on-a-chip Raman sensors outperforming Raman microscopes

Ashim DhakalAli RazaPieter WuytensFrédéric PeyskensAndre SkirtachNicolas Le ThomasRoel Baets

Microscope-less lab-on-a-chip Raman spectroscopy of cell membranes

Ashim DhakalPieter WuytensFrédéric PeyskensAndre SkirtachNicolas Le ThomasRoel Baets

Nanophotonic waveguide enhanced Raman spectroscopy

Ashim DhakalRoel BaetsNicolas Le Thomas

Nanophotonic waveguide enhanced raman spectroscopy of biological submonolayers

Ashim DhakalPieter WuytensFrédéric PeyskensKarolien JansNicolas Le ThomasRoel Baets

A1 Journal Article in ACS PHOTONICS

Silicon photonics : silicon nitride versus silicon-on-insulator

Roel BaetsAnanth SubramanianStéphane ClemmenBart KuykenPeter BienstmanNicolas Le ThomasGünther RoelkensDries Van ThourhoutPhilippe HelinSeveri Severi

Single mode waveguide platform for spontaneous and surface-enhanced on-chip Raman spectroscopy

Ashim DhakalFrédéric PeyskensStéphane ClemmenAli RazaPieter WuytensHaolan ZhaoNicolas Le ThomasRoel Baets

A1 Journal Article in INTERFACE FOCUS

Surface enhanced Raman spectroscopy on single mode nanophotonic-plasmonic waveguides

Frédéric PeyskensAshim DhakalPol Van DorpeNicolas Le ThomasRoel Baets

Surface enhanced raman spectroscopy using a single mode nanophotonic-plasmonic platform

Frédéric PeyskensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

A1 Journal Article in ACS PHOTONICS

Surface enhanced Raman spectroscopy using a single mode nanophotonic-plasmonic platform

Frédéric PeyskensRoel BaetsNicolas Le Thomas

2015

Bright and dark plasmon resonances of nanoplasmonic antennas evanescently coupled with a silicon nitride waveguide

Frédéric PeyskensAnanth SubramanianP NeutensAshim DhakalP Van DorpeNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS EXPRESS

Coherent anti-Stokes Raman spectroscopy on chip

Stéphane ClemmenHaolan ZhaoFrédéric PeyskensAshim DhakalPieter WuytensAnanth SubramanianNicolas Le ThomasRoel Baets

Efficiency of evanescent excitation and collection of spontaneous Raman scattering near high index contrast channel waveguides

Ashim DhakalAli RazaFrédéric PeyskensAnanth SubramanianStéphane ClemmenNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS EXPRESS

Enhanced spontaneous raman signal collected evanescently by silicon nitride slot waveguides

Ashim DhakalFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

Fabrication of substrate-less planar silicon photonic crystal cavities

Saurav KumarNicolas Le Thomas

Integration of GaAs-based VCSEL array on SiN platform with HCG reflectors for WDM applications

Sulakshna KumariJS GustavssonRuijun WangEP HaglundP WestberghD SanchezE HaglundA HaglundJ BengtssonNicolas Le Thomas et al.

Nanophotonic lab-on-a-chip Raman sensors : a sensitivity comparison with confocal Raman microscope

Ashim DhakalPieter WuytensFrédéric PeyskensAnanth SubramanianAndre SkirtachNicolas Le ThomasRoel Baets

On-chip axicon for light sheet microscopy

Alejandro Diaz TormoNicolas Le Thomas

Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip

Ananth SubramanianEva RyckeboerAshim DhakalFrédéric PeyskensAditya MalikBart KuykenHaolan ZhaoShibnath PathakAlfonso RuoccoAndreas De Groote et al.

A1 Journal Article in PHOTONICS RESEARCH

Silicon photonics for on-chip spectrophotometry

Danaë DelbekeAnanth SubramanianPaolo CardileWouter WoestenborghsAlfonso RuoccoJan-Willem HosteDaan MartensAshim DhakalPeter BienstmanGünther Roelkens et al.

2014

Enhancement of raman scattering efficiency by on-chip nanoplasmonic antennas

Frédéric PeyskensAnanth SubramanianP NeutensAshim DhakalPieter WuytensP Van DorpeNicolas Le ThomasRoel Baets

Evanescent excitation and collection of spontaneous Raman spectra using silicon nitride nanophotonic waveguides

Ashim DhakalAnanth SubramanianPieter WuytensFrédéric PeyskensNicolas Le ThomasRoel Baets

A1 Journal Article in OPTICS LETTERS

Raman spectroscopy using photonic waveguides

Ashim DhakalAnanth SubramanianNicolas Le ThomasRoel Baets

Resonant enhancement mechanisms in lab-on-chip raman spectroscopy on a silicon nitride waveguide platform

Roel BaetsAshim DhakalFrédéric PeyskensPieter WuytensAndre SkirtachNicolas Le ThomasAnanth Subramanian

Silicon-nitride waveguides for on-chip Raman spectroscopy

Ashim DhakalPieter WuytensFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

Spectroscopic sensing enabled by silicon photonics

Roel BaetsAnanth SubramanianAshim DhakalFrédéric PeyskensPieter WuytensEva RyckeboerGünther RoelkensNicolas Le Thomas

2013

Biological sensing with integrated silicon and silicon nitride photonics

Nicolas Le ThomasAshim DhakalFrédéric PeyskensAnanth SubramanianTom ClaesK De VosEva RyckeboerRonny BockstaelePeter BienstmanRoel Baets

Enhancement of light absorption, scattering and emission in high index contrast waveguides

Ashim DhakalFrédéric PeyskensAnanth SubramanianNicolas Le ThomasRoel Baets

Enhancement of raman scattering efficiency by a metallic nano-antenna on top of a high index contrast waveguide

Frédéric PeyskensAnanth SubramanianAshim DhakalNicolas Le ThomasRoel Baets

Polytypic InP Nanolaser Monolithically Integrated on (001) Silicon

Zhechao WangBin TianM PaladuguM PantouvakiNicolas Le ThomasC MercklingWM GuoJ DekosterJ Van CampenhoutP Absil et al.

A1 Journal Article in NANO LETTERS

Spectroscopy-on-chip applications of silicon photonics

Roel BaetsAnanth SubramanianAshim Dhakalshankar kumar SelvarajaKatarzyna KomorowskaFrédéric PeyskensEva RyckeboerNebiyu Adello YeboGünther RoelkensNicolas Le Thomas

2009

Experimental observation of slow mode dispersion in photonic crystal coupled-cavity waveguides

Jana JagerskaNicolas Le ThomasVasily ZabelinRomuald HoudreWim BogaertsPieter DumonRoel Baets

A1 Journal Article in OPTICS LETTERS

Off-chip beam steering with a one-dimensional optical phased array on silicon-on-insulator

Karel Van AcoleyenWim BogaertsJana JagerskaNicolas Le ThomasRomuald HoudreRoel Baets

A1 Journal Article in OPTICS LETTERS