Research Explorer

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Researcher

Timothy De Keulenaer

Awards & Distinctions

44 Results

2019

DSP-free and real-time NRZ transmission of 50 Gb/s over 15-km SSMF and 64 Gb/s back-to-back with a 1.3-mu m VCSEL

Laurens BreyneMichiel VerplaetseChristian NeumeyrTimothy De KeulenaerWouter SoenenXin YinPeter OssieurGuy TorfsJohan Bauwelinck

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

NRZ, Duobinary, or PAM4?

Joris Van KerrebrouckTimothy De KeulenaerRamses PiercoJan De GeestJeffrey H. SinskyBartlomiej KozickiXin YinGuy TorfsJohan Bauwelinck

A1 Journal Article in IEEE MICROWAVE MAGAZINE

Real-time and DSP-free 128 Gb/s PAM-4 link using a binary driven silicon photonic transmitter

Jochem VerbistJoris LambrechtMichiel VerplaetseSrinivasan Ashwyn SrinivasanPeter De HeynTimothy De KeulenaerRamses PiercoArno VynckeJoris Van CampenhoutXin Yin et al.

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

2018

100 Gb/s DAC-less and DSP-free transmitters using GeSi EAMs for short-reach optical interconnects

Jochem VerbistMichiel VerplaetseJoris LambrechtSrinivasan SrivinasanPeter De HeynTimothy De KeulenaerRamses PiercoArno VynckePhilippe AbsilXin Yin et al.

Adaptive transmit-side equalization for serial electrical interconnects at 100 Gb/s using duobinary (invited)

Michiel VerplaetseTimothy De KeulenaerArno VynckeRamses PiercoRenato VaernewyckJoris Van KerrebrouckJohan BauwelinckGuy Torfs

DAC-less and DSP-free 112 Gb/s PAM-4 transmitter using two parallel electroabsorption modulators

Jochem VerbistJoris LambrechtMichiel VerplaetseJoris Van KerrebrouckSrinivasan Ashwyn SrinivasanPeter De HeynTimothy De KeulenaerXin YinGuy TorfsJoris Van Campenhout et al.

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

DSP-free and real-time NRZ transmission of 50Gb/s over 15km SSMF and 64Gb/s back-to-back with a 1.3um VCSEL

Michiel VerplaetseLaurens BreyneC. NeumeyrTimothy De KeulenaerWouter SoenenXin YinPeter OssieurGuy TorfsJohan Bauwelinck

First real-time demonstration of 128 Gb/s PAM-4 transmission over 1 km SMF using a Si Photonics transmitter

Jochem VerbistJoris LambrechtMichiel VerplaetseS. Ashwyn SrinivasanPeter De HeynTimothy De KeulenaerArno VynckeMichael VanhoeckeJoris Van CampenhoutXin Yin et al.

Real-time 100 Gbps/λ/core NRZ and EDB IM/DD transmission over 10 km multicore fiber

Rui LinXiaodan PangJoris Van KerrebrouckMichiel VerplaetseOskars OzolinsAleksejs UdalcovsLu ZhangLin GanMing TangSongnian Fu et al.

Real-time 100 Gbps/λ/core NRZ and EDB IM/DD transmission over multicore fiber for intra-datacenter communication networks

Rui LinJoris Van KerrebrouckXiaodan PangMichiel VerplaetseOskars OzolinsAleksejs UdalcovsLu ZhangLin GanMing TangSongnian Fu et al.

A1 Journal Article in OPTICS EXPRESS

Spatial division multiplexing for optical data center networks

R. LinJoris Van KerrebrouckX. PangMichiel VerplaetseO. OzolinsA. UdalcovsL. ZhangL. GanM. TangS. Fu et al.

2017

100 Gbit/s serial transmission using a silicon-organic hybrid (SOH) modulator and a duobinary driver IC

H ZwickelTimothy De KeulenaerS WolfC KieningerY KutuvantavidaM LauermannMichiel VerplaetseRamses PiercoRenato VaernewyckArno Vyncke et al.

Adaptive transmit-side equalization for serial electrical interconnects at 100 Gb/s using duobinary

Michiel VerplaetseTimothy De KeulenaerArno VynckeRamses PiercoRenato VaernewyckJoris Van KerrebrouckJohan BauwelinckGuy Torfs

A1 Journal Article in IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS

DAC-less and DSP-free PAM-4 transmitter at 112 Gb/s with two parallel GeSi electro-absorption modulators

Jochem VerbistJoris LambrechtMichiel VerplaetseJoris Van KerrebrouckSrinivasan Ashwyn SrinivasanP. De HeynTimothy De KeulenaerXin YinJ. Van CampenhoutGünther Roelkens et al.

First real-time 100-Gb/s NRZ-OOK transmission over 2 km with a silicon photonic electro-absorption modulator

Jochem VerbistMichiel VerplaetseSrinivasan Ashwyn SrinivasanP. De HeynTimothy De KeulenaerRamses PiercoRenato VaernewyckArno VynckeP. AbsilGuy Torfs et al.

First real-time 100-Gb/s NRZ-OOK transmission over 2 km with a silicon photonic electro-absorption modulator

Jochem VerbistMichiel VerplaetseSrinivasan Ashwyn SrinivasanPeter De HeynTimothy De KeulenaerRamses PiercoRenato VaernewyckArno VynckePhilippe AbsilGuy Torfs et al.

Real-time 100 Gb/s NRZ-OOK transmission with a silicon photonics GeSi electro-absorption modulator

Jochem VerbistMichiel VerplaetseSrinivasan Ashwyn SrinivasanP. De HeynTimothy De KeulenaerRenato VaernewyckRamses PiercoArno VynckeP. VerheyenS. Balakrishnan et al.

Real-time 100 Gb/s transmission using three-level electrical duobinary modulation for short-reach optical interconnects

Michiel VerplaetseRui LinJoris Van KerrebrouckOskars OzolinsTimothy De KeulenaerXiaodan PangRamses PiercoRenato VaernewyckArno VynckeRichard Schatz et al.

A1 Journal Article in JOURNAL OF LIGHTWAVE TECHNOLOGY

Real-time demonstration of 28 Gbit/s electrical duobinary TDM-PON extension using remote nodes

R BonkR BorkowskiW PoehlmannJoris Van KerrebrouckC ChaseR LucasTimothy De KeulenaerJohan BauwelinckD Van VeenV Houtsma et al.

Silicon-organic hybrid (SOH) modulators for intensity-modulation / direct-detection links with line rates of up to 120 Gbit/s

Heiner ZwickelStefan WolfClemens KieningerYasar KutuvantavidaMatthias LauermannTimothy De KeulenaerArno VynckeRenato VaernewyckJingdong LuoAlex K. -Y. Jen et al.

A1 Journal Article in OPTICS EXPRESS

Towards efficient 100 Gb/s serial rate optical interconnects : a duobinary way

Xin YinMichiel VerplaetseLaurens BreyneJoris Van KerrebrouckTimothy De KeulenaerArno VynckeRamses PiercoRenato VaernewyckSilvia SpigaM.-C. Amann et al.

2016

100 Gb/s serial transmission over copper using duo-binary signaling

Joris Van KerrebrouckTimothy De KeulenaerJan De GeestRamses PiercoRenato VaernewyckArno VynckeMike FoggMadhumitha RengarajanGuy TorfsJohan Bauwelinck

Effect of the bend geometry on the two-phase frictional pressure drop and flow behaviour in the vicinity of the bend

Kathleen De KerpelSven De SchampheleireTimothy De KeulenaerMichel De Paepe

A1 Journal Article in APPLIED THERMAL ENGINEERING

First demonstration of real-time 100 Gbit/s 3-Level duobinary transmission for optical interconnects

Xin YinMichiel VerplaetseR LinJoris Van KerrebrouckO OzolinsTimothy De KeulenaerX PangRamses PiercoRenato VaernewyckArno Vyncke et al.

On-Chip transmitter and receiver front-ends for ultra-broadband wired and optical-fiber communications

Johan BauwelinckWouter SoenenBart MoeneclaeyMichael VanhoeckeRamses PiercoRenato VaernewyckTimothy De KeulenaerGünther RoelkensGuy TorfsXin Yin et al.

Two-phase frictional pressure drop and flow behaviour up- and downstream of a sharp return bend

Kathleen De KerpelSven De SchampheleireTimothy De KeulenaerMichel De Paepe

A1 Journal Article in APPLIED THERMAL ENGINEERING

2015

25Gb/s 3-level burst-mode receiver for high serial rate TDM-PONs

Xin YinJochem VerbistTimothy De KeulenaerBart MoeneclaeyJochen VerbruggheXing-Zhi QiuJohan Bauwelinck

56+ Gb/s serial transmission using duo-binary signaling

Timothy De KeulenaerJan De GeestGuy TorfsJohan BauwelinckYu BanJeffrey SinskyBartek Kozicki

84 Gbit/s SiGe BiCMOS duobinary serial data link including Serialiser/Deserialiser (SERDES) and 5-tap FFE

Timothy De KeulenaerGuy TorfsYu BanRamses PiercoRenato VaernewyckArno VynckeZhisheng LiJeffrey H SinskyBartlomiej KozickiXin Yin et al.

A1 Journal Article in ELECTRONICS LETTERS

A KA-Band sige Bicmos power amplifier with 24 DBM output power

Ramses PiercoGuy TorfsTimothy De KeulenaerBjorn VandecasteeleJeroen MissinneJohan Bauwelinck

A1 Journal Article in MICROWAVE AND OPTICAL TECHNOLOGY LETTERS

A duobinary receiver chip for 84 Gb/s serial data communication

Timothy De KeulenaerJohan BauwelinckGuy Torfs

A wide-band, 5-tap transversal filter with improved testability for equalization up to 84 Gb/s

Yu BanTimothy De KeulenaerZhisheng LiJoris Van KerrebrouckJeffrey H SinskyBartek KozickiJohan BauwelinckGuy Torfs

A1 Journal Article in IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS

Experimental evaluation of NRZ and duobinary up to 48 Gbit/s for electrical backplanes

Yu BanTimothy De KeulenaerGuy TorfsJeffrey SinskyBartek KozickiJohan Bauwelinck

A1 Journal Article in ELECTRONICS LETTERS

Two-phase flow regime assignment based on wavelet features of a capacitance signal

Kathleen De KerpelSven De SchampheleireTimothy De KeulenaerMichel De Paepe

A1 Journal Article in INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW

2014

A digitally controlled threshold adjustment circuit in a 0.13um SiGe BiCMOS technology for receiving multilevel signals up to 80Gbps

Timothy De KeulenaerGuy TorfsRamses PiercoJohan Bauwelinck

Analysis and design of a high power, high gain SiGe BiCMOS output stage for Use in a millimeter-wave power amplifier

Ramses PiercoTimothy De KeulenaerGuy TorfsJohan Bauwelinck

Capacitance sensor measurements of upward and downward two-phase flow in vertical return bends

Kathleen De KerpelTimothy De KeulenaerSven De SchampheleireMichel De Paepe

A1 Journal Article in INTERNATIONAL JOURNAL OF MULTIPHASE FLOW

Measurements of millimeter wave test structures for high speed chip testing

Timothy De KeulenaerYu BanGuy TorfsStefaan SercuJan De GeestJohan Bauwelinck

Two-phase flow behaviour in a smooth hairpin tube: analysis of the disturbance using capacitive measurements

Kathleen De KerpelTimothy De KeulenaerSven De SchampheleireMichel De Paepe

2013

Capacitive sensor measurements on two-phase flow in smooth return bends

Kathleen De KerpelCaro De GroofMenno DreesenTimothy De KeulenaerMichel De Paepe

Two phase flow behaviour in a smooth hairpin tube

Kathleen De KerpelCaro De GroofMenno DreesenTimothy De KeulenaerMichel De Paepe

2012

Design of a 80 Gbit/s SiGe BiCMOS fully differential input buffer for serial electrical communication

Timothy De KeulenaerYu BanZhisheng LiJohan Bauwelinck

2011

40 Gbit/s transceiver design

Timothy De KeulenaerJan VandewegeJohan Bauwelinck

2010

A wearable active GPS antenna for application in smart textiles

Arnaut DierckTimothy De KeulenaerFrederick DeclercqHendrik Rogier