Research Explorer

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Researcher

Stéphane Clemmen

Publications & Research Data

Awards & Distinctions

95 Results

2026

Fabrication and photoluminescence studies of tin-vacancy centers in chemical vapor deposition diamond

Rani Mary JoyMiquel Cherta GarridoOmar HarbHendrik JeurisRozita RouzbahaniJan D'haenStéphane ClemmenDries Van ThourhoutDanny E. P. VanpouckePaulius Pobedinskas et al.

A1 Journal Article in ACS MATERIALS LETTERS

2025

A scalable quadratic nonlinear silicon photonics platform with printable entangled photon-pair sources

Tom VandekerckhoveJasper De WitteLisa De JaegerEwoud VissersSofie Janssenpeter verheyenNeha SinghDieter BodeMartin DaviFilippo Ferraro et al.

Compact low-voltage lithium niobate racetrack modulator on a silicon nitride platform through micro-transfer printing

Lisa De JaegerTom VandekerckhoveTom ReepStijn PoelmanStéphane ClemmenBart Kuyken

A1 Journal Article in OPTICS LETTERS

Four-wave mixing simulation in weakly nonlinear Bragg gratings using the grating dispersion operator in the nonlinear Schrödinger equation

Timothe DavidPascal KocraertStéphane Clemmen

A1 Journal Article in OPTICS EXPRESS

2024

Design of silicon-based quantum squeezer

Mouhamad Al MahmoudStéphane Clemmen

Deterministic phase-matching of micro-transfer-printed periodically-poled lithium niobate waveguides

Tom VandekerckhoveTom VanackereJasper De WitteGünther RoelkensStéphane ClemmenBart Kuyken

Highly-selective etching of micro-transfer-printed thin-film lithium niobate for low coupling losses

Tom VandekerckhoveRuben Van AsscheIvo TangheMargot NielsStijn PoelmanTom VanackereMaximilien BilletStéphane ClemmenBart Kuyken

Processing lithium niobate coupons for quantum applications

Jorik WithouckTom VandekerckhoveMaximilien BilletValeria Bonito OlivaTom VanackereMargot NielsTingting ZhaiAntonietta ParracinoStéphane ClemmenBart Kuyken

Towards scalable heterogeneous integration of thin-film lithium niobate on silicon photonics using microtransfer printing

Tom VanackereTom VandekerckhoveMaximilien BilletYing TanMargot NielsTingting ZhaiAntonietta ParracinoValeria Bonito OlivaJorik WithouckGünther Roelkens et al.

2023

Heterogeneous integration of a high-speed lithium niobate modulator on silicon nitride using micro-transfer printing

Tom VanackereTom VandekerckhoveLaurens BogaertMaximilien BilletStijn PoelmanStijn CuyversJoris Van KerrebrouckA MoermanOlivier CaytanNishant Singh et al.

A1 Journal Article in APL PHOTONICS

High-efficiency second harmonic generation in heterogeneously-integrated periodically-poled lithium niobate on silicon nitride

Tom VandekerckhoveTom VanackereJasper De WitteIsaac Luntadila LufungulaEwoud VissersGünther RoelkensStéphane ClemmenBart Kuyken

High-speed lithium niobate modulator on silicon nitride using micro-transfer printing

Tom VanackereTom VandekerckhoveLaurens BogaertMaximilien BilletStijn PoelmanStijn CuyversJoris Van KerrebrouckArno MoermanOlivier CaytanSam Lemey et al.

Pillar-based high-yield heterogeneous integration of lithium niobate and gallium phosphide thin films

Tom VandekerckhoveTom VanackereJasper De WitteStijn CuyversLuis ReisMaximilien BilletGünther RoelkensStéphane ClemmenBart Kuyken

Reliable micro-transfer printing method for heterogeneous integration of lithium niobate and semiconductor thin films

Tom VandekerckhoveTom VanackereJasper De WitteStijn CuyversLuis ReisMaximilien BilletGünther RoelkensStéphane ClemmenBart Kuyken

A1 Journal Article in OPTICAL MATERIALS EXPRESS

Silicon photonics-based Geiger-operated avalanche PD for quantum PICs

Manuel Manta ChapaClemens KrückelHasan Salmanian AlanaghDries Van ThourhoutStéphane Clemmen

2022

Saturable absorption of a double layer graphene modulator on a slot waveguide

Tom ReepCheng-Han WuZheng WangS. BremsStéphane ClemmenC. HuyghebaertJ. Van CampenhoutM. PantouvakiDries Van ThourhoutBart Kuyken

2021

Gold-induced photothermal background in on-chip surface enhanced stimulated Raman spectroscopy

Kristof ReynkensStéphane ClemmenHaolan ZhaoAli RazaTom VanackereAndim StassenMichiel Van DaeleJolien DendoovenRoel Baets

A1 Journal Article in OPTICS LETTERS

Micro-transfer printing of lithium niobate on silicon nitride

Tom VanackereMaximilien BilletCamiel Op de BeeckStijn PoelmanGünther RoelkensStéphane ClemmenBart Kuyken

On-chip Raman spectroscopy : background challenges and their mitigation

Kristof ReynkensRoel BaetsStéphane Clemmen

Resource efficient single photon source based on active frequency multiplexing

Serge MassarStéphane Clemmen

A1 Journal Article in OPTICS LETTERS

2020

Coherent frequency conversion for quantum information processing

Stéphane Clemmen

Mitigation of photon background in nanoplasmonic all-on-chip Raman sensors

Kristof ReynkensStéphane ClemmenAli RazaHaolan ZhaoJuan Santo-Domingo PeñarandaChristophe DetavernierRoel Baets

A1 Journal Article in OPTICS EXPRESS

Surface-enhanced Raman spectroscopy based on plasmonic slot waveguides with free-space oblique illumination

Yang LiHaolan ZhaoAli RazaStéphane ClemmenRoel Baets

A1 Journal Article in IEEE JOURNAL OF QUANTUM ELECTRONICS

2019

Broadband and temperature tolerant silicon nitride liquid controlled waveguide coupler

Herbert D'heerKumar SauravCristina Lermama ArceSalvatore TuccioStéphane ClemmenSilvia LenciAndim StassenJan WatteDries Van Thourhout

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

Growth of organic crystalline thin films with strong second-order nonlinearity for integrated optics

Artur HermansStéphane ClemmenRoel BaetsJan GenoeCedric Rolin

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

Integrated silicon nitride electro-optic modulators with atomic layer deposited overlays

Artur HermansMichiel Van DaeleJolien DendoovenStéphane ClemmenChristophe DetavernierRoel Baets

A1 Journal Article in OPTICS LETTERS

Low-temperature processed thin films of second-order nonlinear optical materials for silicon nitride photonic integrated circuits

Artur HermansRoel BaetsStéphane Clemmen

On-chip surface enhanced raman spectroscopy using ALD grown plasmonic nanotrenches integrated with a silicon nitride slot waveguide

Ali RazaStéphane ClemmenMichiel Van DaeleJolien DendoovenMatthew BE GriffithsSean T BarryAndre SkirtachChristophe DetavernierRoel Baets

Plasma-enhanced atomic layer deposition of nanostructured gold near room temperature

Michiel Van DaeleMatthew BE GriffithsAli RazaMatthias MinjauwEduardo SolanoJi-Yu FengRanjith Karuparambil RamachandranStéphane ClemmenRoel BaetsSeán T Barry et al.

A1 Journal Article in ACS APPLIED MATERIALS & INTERFACES

Raman spectroscopy enhanced by on-chip dielectric and metal waveguides

Ali RazaRoel BaetsStéphane Clemmen

SERS detection via individual Bowtie nanoantennas integrated in Si3N4 waveguides

Javier LosadaAli RazaStéphane ClemmenAina SerranoAmadeu GriolRoel BaetsAlejandro Martinez

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

Strong nonlinear coupling in a Si3N4 ring resonator

Sven RamelowAlessandro FarsiZachary VernonStéphane ClemmenXingchen JiJ. E. SipeMarco LiscidiniMichal LipsonAlexander L. Gaeta

A1 Journal Article in PHYSICAL REVIEW LETTERS

Waveguide-Enhanced Raman Spectroscopy Using a Mesoporous Silica Sorbent Layer for Volatile Organic Compound (VOC) Sensing

Haolan ZhaoAli RazaBettina BaumgartnerStéphane ClemmenBernhard LendlAndre SkirtachRoel Baets

2018

ALD assisted nanoplasmonic slot waveguide for on-chip enhanced Raman spectroscopy

Ali RazaStéphane ClemmenPieter WuytensMuhammad MuneebMichiel Van DaeleJolien DendoovenChristophe DetavernierAndre SkirtachRoel Baets

A1 Journal Article in APL PHOTONICS

All-optically tunable buffer for single photons

Stéphane ClemmenAlessandro FarsiSven RamelowAlexander L. Gaeta

A1 Journal Article in OPTICS LETTERS

Coherent raman spectroscopy enabled by photonic integrated circuits

Haolan ZhaoRoel BaetsStéphane Clemmen

Demonstration of stimulated Raman scattering on a silicon nitride photonic integrated waveguide

Haolan ZhaoStéphane ClemmenAli RazaRoel Baets

E-beam-lithography free plasmonic slot waveguides for on-chip Raman spectroscopy

Ali RazaMichiel Van DaelePieter WuytensJolien DendoovenChristophe DetavernierStéphane ClemmenRoel Baets

Frequency multiplexing for quasi-deterministic heralded single-photon sources

Chaitali JoshiAlessandro FarsiStéphane ClemmenSven RamelowAlexander L. Gaeta

A1 Journal Article in NATURE COMMUNICATIONS

Growth of thin film organic crystals with strong nonlinearity for on-chip second-order nonlinear optics

Artur HermansR. JanneckC. RolinStéphane ClemmenP. HeremansJ. GenoeRoel Baets

Stimulated Raman spectroscopy of analytes evanescently probed by a silicon nitride photonic integrated waveguide

Haolan ZhaoStéphane ClemmenAli RazaRoel Baets

A1 Journal Article in OPTICS LETTERS

Stimulation of waveguide-enhanced raman spectroscopy of liquids

Haolan ZhaoStéphane ClemmenAli RazaRoel Baets

Surface enhanced raman spectroscopy via isolated plasmonic nanoantennas integrated on silicon nitride waveguides

Ali RazaJ. LosadaStéphane ClemmenRoel BaetsA. GriolA. Martinez

The comparison of on-chip surface enhanced Raman spectroscopy substrates : nanoplasmonic bowtie antenna vs metal slot waveguide

Ali RazaStéphane ClemmenMichiel Van DaelePieter WuytensJolien DendoovenChristophe DetavernierRoel Baets

The performance of high-index-contrast photonics platforms for on-chip raman spectroscopy

Ali RazaStéphane ClemmenM. De GoedeR. AliP. HuaS.M. Garcia-BlancoS. HonkanenJ.S. WilkinsonRoel Baets

2017

CMOS-compatible ALD zinc oxide coating for on-chip second-order nonlinear optical functionalities

Artur HermansMichiel Van DaeleC. KieningerJolien DendoovenStéphane ClemmenChristophe DetavernierRoel Baets

Detection of surface-enhanced raman signals from a single nanoplasmonic antenna integratred on a single mode waveguide

Ali RazaFrédéric PeyskensPieter WuytensP. Van DorpeStéphane ClemmenRoel Baets

Electrically tunable optical nonlinearity of graphene-covered SiN waveguides

Koen AlexanderMuhammad MohsinUtsav Deepak DaveLeili Abdollahi ShiraminStéphane ClemmenDaniel NeumaierBart KuykenDries Van Thourhout

Electro-optic modulation in silicon nitride photonic integrated circuits by means of ALD ZnO overlays

Artur HermansMichiel Van DaeleJolien DendoovenStéphane ClemmenChristophe Detavernierroel baets

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

Large effective chi((2)) nonlinearity on a Si3N4-chip

S. RamelowA. FarsiStéphane ClemmenX. JiM. LipsonA. Gaeta

Large effective chi((2)) nonlinearity via coherent photon conversion on a Si3N4 chip

Alessandro FarsiSven RamelowStéphane ClemmenXingchen JiMichal LipsonAlexander Gaeta

Nonlinear optical interactions in silicon waveguides

Bart KuykenFrançois LeoStéphane ClemmenUtsav Deepak DaveRaphaël Van LaerT. IdeguchiHaolan ZhaoX. LiuJ. SafiouiS. Coen et al.

A1 Journal Article in NANOPHOTONICS

On the determination of χ(2) in thin films : a comparison of one-beam second-harmonic generation measurement methodologies

Artur HermansClemens KieningerKalle KoskinenAndreas WickbergEduardo Solano MinuesaJolien DendoovenMartti KauranenStéphane ClemmenMartin WegenerChristian Koos et al.

A1 Journal Article in SCIENTIFIC REPORTS

On-chip enhanced raman spectroscopy using metal slot waveguide

Ali RazaPieter WuytensFrédéric PeyskensP. Van DorpeStéphane ClemmenRoel Baets

On-chip raman spectroscopy

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

Spectroscopic sensing with silicon nitride photonic integrated circuits

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

2016

CMOS-compatible silicon nitride spectrometers for lab-on-a-chip spectral sensing

Eva RyckeboerXiaomin NieAnanth SubramanianDaan MartensPeter BienstmanStéphane ClemmenSimone SeveriRoelof JansenGünther RoelkensRoel Baets

Frequency multiplexing for quasi-deterministic heralded single-photon sources

Chaitali JoshiAlessandro FarsiStéphane ClemmenSven RamelowAlexander Gaeta

Ramsey Interference with single photons

Stéphane ClemmenAlessandro FarsiSven RamelowAlexander L. Gaeta

A1 Journal Article in PHYSICAL REVIEW LETTERS

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

Towards single antenna on-chip surface enhanced raman spectroscopy: arch dipole antenna

Ali RazaFrédéric PeyskensStéphane ClemmenRoel Baets

2015

Atomic layer deposited second-order nonlinear optical metamaterial for back-end integration with CMOS-compatible nanophotonic circuitry

Stéphane ClemmenArtur HermansEduardo Solano MinuesaJolien DendoovenKalle KoskinenMartti KauranenEdouard BrainisChristophe DetavernierRoel Baets

A1 Journal Article in OPTICS LETTERS

Coherent anti-Stokes Raman spectroscopy on chip

Stéphane ClemmenHaolan ZhaoFrédéric PeyskensAshim DhakalPieter WuytensAnanth SubramanianNicolas Le ThomasRoel Baets

Continuous generation of rubidium vapor in a hollow core photonic band-gap fiber

Prathamesh S. DonvalkarSven RamelowStéphane ClemmenAlexander L. Gaeta

Continuous generation of rubidium vapor in hollow-core photonic bandgap fibers

Prathamesh S. DonvalkarSven RamelowStéphane ClemmenAlexander L. Gaeta

A1 Journal Article in OPTICS LETTERS

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

Low-noise quantum frequency translation of single photons

Alessandro FarsiStéphane ClemmenSven RamelowAlexander L. Gaeta

Monolithic source of tunable narrowband photons for future quantum networks

Sven RamelowAlessandro FarsiStéphane ClemmenKevin LukeMichal LipsonAlexander L. Gaeta

Multiplex coherent anti-stokes raman spectroscopy on a CMOS compatible platform

Haolan ZhaoStéphane ClemmenRoel Baets

Ramsey interferometry for manipulation of single photons

Alessandro FarsiStéphane ClemmenSven RamelowAlexander L. Gaeta

Visible-to-near-infrared octave spanning supercontinuum generation in a partially underetched silicon nitride waveguide

Haolan ZhaoBart KuykenFrançois LeoStéphane ClemmenEdouard BrainisGünther RoelkensRoel Baets

Visible-to-near-infrared octave spanning supercontinuum generation in a silicon nitride waveguide

Haolan ZhaoBart KuykenStéphane ClemmenFrançois LeoAnanth SubramanianAshim DhakalP HelinS SeveriEdouard BrainisGünther Roelkens et al.

A1 Journal Article in OPTICS LETTERS

Waveguide-based single-shot temporal cross-correlator

Moti FridmanYoshitomo OkawachiStéphane ClemmenMichael MenardMichal LipsonAlexander L. Gaeta

A1 Journal Article in JOURNAL OF OPTICS

2014

All-optical continuously tunable delay of single photons

Stéphane ClemmenAlessandro FarsiAlexander Gaeta

Frequency translation via four-wave mixing Bragg scattering in Rb filled photonic band-gap fibers

Prathamesh S. DonvalkarVivek VenkataramanStéphane ClemmenKasturi SahaAlexander L. Gaeta

Frequency translation via four-wave mixing Bragg scattering in Rb filled photonic bandgap fibers

Prathamesh S. DonvalkarVivek VenkataramanStéphane ClemmenKasturi SahaAlexander L. Gaeta

A1 Journal Article in OPTICS LETTERS

Ramsey interferometry with photons

Stéphane ClemmenAlessandro FarsiSven RamelowAlexander Gaeta

Strong polarization mode coupling in microresonators

Sven RamelowAlessandro FarsiStéphane ClemmenJacob S. LevyAdrea R. JohnsonYoshitomo OkawachiMichael. R. E. LamontMichal LipsonAlexander L. Gaeta

A1 Journal Article in OPTICS LETTERS

2013

Silicon-on-insulator integrated source of polarization-entangled photons

Laurent OlislagerJassem SafiouiStéphane ClemmenKien Phan HuyWim BogaertsRoel BaetsPhilippe EmplitSerge Massar

A1 Journal Article in OPTICS LETTERS

2012

APPLIED PHYSICS Brighter images with no added noise

Stéphane ClemmenAlexander Gaeta

Editorial material

Low intensity inelastic photon scattering in silicon wire waveguide below the bandgap

Stéphane ClemmenA PerretJ SafiouiWim BogaertsRoel BaetsS-P GorzaP EmplitS Massar

Low-power inelastic light scattering at small detunings in silicon wire waveguides at telecom wavelengths

Stéphane ClemmenAntony PerretJassem SafiouiWim BogaertsRoel BaetsSimon-Pierre GorzaPhilippe EmplitSerge Massar

A1 Journal Article in JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS

Optical cross correlator in a silicon waveguide

Moti FridmanYoshitomo OkawachiStéphane ClemmenMichael MenardMichal LipsonAlexander L. Gaeta

Towards frequency-coded qdits manipulation using coherent four-wave mixing

Stéphane ClemmenRaphael Van LaerAlessandro FarsiJacob LevyMichal LipsonAlexander Gaeta

2011

Four-wave-mixing gain and all-optical signal processing in silicon nanowires

Bart KuykenX LiuStéphane Clemmenshankar kumar SelvarajaWim BogaertsDries Van ThourhoutRM Osgood Jr.P EmplitS MassarYA Vlasov et al.

Nonlinear properties of and nonlinear processing in hydrogenated amorphous silicon waveguides

Bart KuykenH JiStéphane Clemmenshankar kumar SelvarajaH HuM PuM GaliliP JeppesenGeert MorthierS Massar et al.

A1 Journal Article in OPTICS EXPRESS

On-chip parametric amplification with 26.5 dB gain at telecommunication wavelengths using CMOS-compatible hydrogenated amorphous silicon waveguides

Bart KuykenStéphane Clemmenshankar kumar SelvarajaWim BogaertsDries Van ThourhoutPhilippe EmplitSerge MassarGünther RoelkensRoel Baets

A1 Journal Article in OPTICS LETTERS

Quantum optics of spontaneous four-wave mixing in a silicon nitride microring resonator

L. G. HeltM. LiscidiniA. FarsiStéphane ClemmenV. VenkataramanJ. LevyM. LipsonA. GaetaJ. E. Sipe

2010

Generation of correlated photons in hydrogenated amorphous-silicon waveguides

Stéphane ClemmenA Perretshankar kumar SelvarajaWim BogaertsDries Van ThourhoutRoel BaetsPh EmplitS Massar

A1 Journal Article in OPTICS LETTERS

Self phase modulation in Highly nonlinear hydrogenated amorphous silicon

Bart KuykenStéphane Clemmenshankar kumar SelvarajaE NumkamWim BogaertsS MassarRoel BaetsGünther Roelkens

2009

Continuous wave photon pair generation in silicon-on-insulator waveguides and ring resonators

Stéphane ClemmenK Phan HuyWim BogaertsRoel BaetsPh EmplitS Massar

A1 Journal Article in OPTICS EXPRESS

2007

Spontaneous growth of Raman Stokes and anti-Stokes waves in fibers

E. BrainisStéphane ClemmenSerge Massar

A1 Journal Article in OPTICS LETTERS