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Research Output 2005 2019

2005
33 Citations (Scopus)

Broadband topology-optimized photonic crystal components for both TE and TM polarizations

Têtu, A., Kristensen, M., Frandsen, L. H., HarpØth, A., Borel, P. I., Jensen, J. S. & Sigmund, O., 2005, In : Optics Express. 13, 21, p. 8606-8611 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

polarized light
topology
photonics
broadband
polarization
2006

Optimization of photonic crystal 60° waveguide bends in the slow light regime for broadband transmission

Lavrinenko, A. V., Têtu, A., Frandsen, L. H. & Borel, P. I., 2006, Quantum Electronics and Laser Science Conference, QELS 2006. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

SOI (semiconductors)
topology
photonics
broadband
waveguides

Passive integrated circuits utilizing slow light in photonic crystal waveguides

Lavrinenko, A. V., Têtu, A., Yang, L., Borel, P. I., Fage-Pedersen, J. & Frandsen, L. H., 2006, Active and Passive Optical Components for Communications VI. 63890G. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 6389).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

integrated circuits
photonics
waveguides
crystals
couplers
2007
9 Citations (Scopus)

Mapping the broadband polarization properties of linear 2D SOI photonic crystal waveguides

Canning, J., Vesen, N. S., Kristensen, M., Frandsen, L. H., Lavrinenko, A., Martelli, C. & Tetu, A., 2007, In : Optics Express. 15, 23, p. 15603-15614 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

insulators
photonics
broadband
waveguides
silicon
8 Citations (Scopus)

Optimization of photonic crystal 60 degrees waveguide bends for broadband and slow-light transmission

Lavrinenko, A. V., Têtu, A., Frandsen, L. H., Fage-Pedersen, J. & Borel, P. I., 2007, In : Applied Physics B: Lasers and Optics. 87, 1, p. 53-56

Research output: Contribution to journalJournal articleResearchpeer-review

Slow light
Shape optimization
Light transmission
Photonic crystals
Waveguides
247 Citations (Scopus)

Photonic-crystal waveguide biosensor

Skivesen, N., Têtu, A., Kristensen, M., Kjems, J., Frandsen, L. H. & Borel, P. I., 2007, In : Optics Express. 15, 6, p. 3169-3176

Research output: Contribution to journalJournal articleResearchpeer-review

bioinstrumentation
photonics
refractivity
waveguides
sensors

Protein detection with a planar photonic-crystal sensor

Skivesen, N., Têtu, A., Krlstensen, M., Kjems, J., Frandsen, L. H. & Borel, P. I., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4386545. (Conference on Lasers and Electro-Optics Europe - Technical Digest).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Protein detection with a planar photonic-crystal sensor

Skivesen, N., Têtu, A., Kristensen, M., Kjems, M., Frandsen, L. H. & Borel, P. I., 2007, In : Optics InfoBase Conference Papers.

Research output: Contribution to journalConference article in JournalResearchpeer-review

20 Citations (Scopus)

Topology optimisation of slow light coupling to photonic crystal waveguides

Yang, L., Lavrinenko, A. V., Frandsen, L. H., Borel, P. I., Têtu, A. & Fage-Pedersen, J., 2007, In : Electronics Letters. 43, 17, p. 923-924

Research output: Contribution to journalJournal articleResearchpeer-review

Slow light
Shape optimization
Photonic crystals
Waveguides
2 Citations (Scopus)

Topology-optimized and dispersion-tailored photonic crystal slow-light devices

Frandsen, L. H., Lavrinenko, A., Borel, P. I., Fage-Pedersen, J., Harpøth, A., Sigmund, O., Jensen, J. S., Kristensen, M., Têtu, A. & Niemi, T., 2007, Passive Components and Fiber-based Devices IV. 67812P. (Proceedings of SPIE - The International Society for Optical Engineering, Vol. 6781).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

topology
photonics
group velocity
crystals
broadband
2008

Band edge effects in photonic crystal waveguides: Polarisation conversion

Canning, J., Kristensen, M., Skivesen, N., Frandsen, L. H., Lavrinenko, A. V., Tetu, A., Chevallier, J. & Martelli, C., 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference. 4528494. (OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

photonics
waveguides
SOI (semiconductors)
polarization
crystals
1 Citation (Scopus)

Generation of ultra narrow sensing filters using cross polarisation in a linear SOI photonic crystal waveguide

Canning, J., Kristensen, M., Skivesan, N., Martelli, C., Tetu, A., Frandsen, L. & Chevallier, J., 2008, In : Proceedings of SPIE - The International Society for Optical Engineering.

Research output: Contribution to journalConference article in JournalResearchpeer-review

cross polarization
SOI (semiconductors)
Photonic crystals
Photonic Crystal
Waveguide
5 Citations (Scopus)

InSb nanocrystals embedded in SiO2: Strain and melting-point hysteresis

Têtu, A., Chevallier, J. & Nielsen, B. B., 2008, In : Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 147, 2-3, p. 141-143

Research output: Contribution to journalJournal articleResearchpeer-review

Nanocrystals
melting points
Melting point
Hysteresis
nanocrystals
4 Citations (Scopus)

Photonic crystal waveguide-based biosensor

Skivesen, N., Canning, J., Kristensen, M., Martelli, C., Tetu, A. & Frandsen, L. H., 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference. 4528627. (OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

bioinstrumentation
photonics
waveguides
crystals
proteins
2009
2 Citations (Scopus)

Spectrally narrow polarisation conversion in a slow-light photonic crystal waveguide

Canning, J., Kristensen, M., Skivesen, N., Martelli, C., Têtu, A. & Frandsen, L. H., 2009, In : Journal of the European Optical Society. 4, 9019.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
eigenvectors
photonics
waveguides
SOI (semiconductors)
polarization
2012

Modeling of superheating and undercooling of strained semiconductor nanocrystals in SiO 2

Tetu, A. & Bech Nielsen, B., 2012, In : Journal of Physics: Condensed Matter. 24, 48, 485301.

Research output: Contribution to journalJournal articleResearchpeer-review

2013
European Community
best practice
grant
infrastructure
energy

Project 2nd Periodic Report - Section 2: Core of the report for the period

Healy, M., Knowles, E., Johnstone, C., Maisondieu, C., Giebhardt, J. & Tetu, A., 2014, The European Union’s Seventh Programme for research, technological development and demonstration. 85 p.

Research output: Book/ReportReportResearch

European Community
grant
infrastructure

Second Period Access Report

Maisondieu, C., Giebhardt, J., Tetu, A., Johnstone, C. & Healy, M., 2014, The European Union’s Seventh Programme for research, technological development and demonstration. 47 p.

Research output: Book/ReportReportResearch

European Community
grant
infrastructure
European Community
grant
infrastructure
energy
2015
10 Citations (Scopus)

Broadband photocurrent enhancement and light-trapping in thin film Si solar cells with periodic Al nanoparticle arrays on the front

Uhrenfeldt, C., Villesen, T. F., Tetu, A., Johansen, B. & Larsen, A. N., 1 Jun 2015, In : Optics Express. 23, 11, p. A525-A538 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
photocurrents
solar cells
trapping
broadband
nanoparticles
4 Citations (Scopus)

Effect of a negative stiffness mechanism on the performance of the WEPTOS rotors

Peretta, S., Ruol, P., Martinelli, L., Tetu, A. & Kofoed, J. P., 2015, MARINE 2015: Computational Methods in Marine Engineering VI. Muscari, R., Broglia, R. & Salvatore, F. (eds.). CNR, Vol. 6. p. 58-72

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
Rotors
Stiffness
Friction
Computer simulation
Power converters
2016
181 Downloads (Pure)

DANWEC - Empirical Analysis of the Wave Climate at the Danish Wave Energy Centre

Tetu, A., Nielsen, K. & Kofoed, J. P., 2016. 10 p.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearchpeer-review

Open Access
File
wave climate
empirical analysis
wave energy
wave power
resource assessment

Practical performances of MPC for wave energy converters

Ferri, F., Tetu, A. & Hals, J., 2016, Progress in Renewable Energies Offshore: proceedings of renew 2016, 2nd international conference on renewable energies offshore. Soares, C. G. (ed.). Croydon: CRC Press, p. 453-462 10 p.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Controllers
Energy resources
2017

Initial results from first real sea testing of the Weptos Offshore

Têtu, A., Kofoed, J. P. & Thomsen, J. B., 2017, Aalborg: Department of Civil Engineering, Aalborg University. 18 p. (DCE Contract Reports; No. 191).

Research output: Book/ReportReportResearch

Long-term wave climate at DanWEC

Tetu, A. & Kofoed, J. P., 2017, Aalborg: Department of Civil Engineering, Aalborg University. 347 p. (DCE Contract Reports; No. 188).

Research output: Book/ReportReportResearch

wave climate
wave energy
bathymetry
sensor
climate

Long Term Wave Climate at the Danish Test Site DanWEC Based on 35 Years Hindcast Data

Tetu, A., Jensen, P. M., Kramer, M. M., Nielsen, K., Schlütter, F. & Kofoed, J. P., 2017, 12th EWTEC - Proceedings of the 12th European Wave and Tidal Energy Conference: 27th Aug -1st Sept 2017, Cork, Ireland. Technical Committee of the European Wave and Tidal Energy Conference, 7 p. 872. (European Wave and Tidal Energy Conference Series; No. 2017, Vol. 12).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

wave climate
wave energy
extreme event
resource assessment
wave height

O&M report for DanWEC Hanstholm test site

Grant, C. N. & Tetu, A., 2017, Aalborg: Department of Civil Engineering, Aalborg University. 50 p. (DCE Contract Reports; No. 186).

Research output: Book/ReportReportResearch

resource assessment
technological development
energy
forecast
energy technology

Power Take-Off Systems for WECs

Tetu, A., 2017, Handbook of Ocean Wave Energy. Pecher, A. & Kofoed, J. P. (eds.). Springer, Vol. 7. p. 203-220 18 p. (Ocean Engineering & Oceanography , Vol. 7). (Ocean Engineering & Oceanography (electronic), Vol. 7).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

Open Access
Takeoff
Electricity

Test Plan for WEPTOS #1: Prototype in Brandsø

Margheritini, L., Tetu, A., Ferri, F., Kofoed, J. P. & Sonalier, N., 2017, Aalborg: Department of Civil Engineering, Aalborg University. 26 p. (DCE Contract Reports; No. 187).

Research output: Book/ReportReportResearch

Testing
115 Downloads (Pure)
Open Access
File
energy
programme
document
2018
7 Downloads (Pure)

Economic aspects of forecasting and WEC O&M procedures at DanWEC, and an outlook of the commercial value of the O&M tool

Grant, C. N., Têtu, A. & Kramer, M. B., 2018, Aalborg, Denmark: Department of Civil Engineering, Aalborg University. 25 p. (DCE Technical Reports; No. 262).

Research output: Book/ReportReportResearch

Open Access
File
economics
resource assessment
forecast
project

Economic Potential of Industrializing Floating Wind Turbine Foundations

Andersen, M. T., Tetu, A. & Stiesdal, H., 2018, ASME 2018 Proceedings of the 37th International Conference on Offshore Mechanics and Arctic Engineering - OMAE. American Society of Mechanical Engineers, Vol. 1: Offshore Technology. p. V001T01A045 8 p. OMAE2018-77660. (International Conference on Offshore Mechanics and Arctic Engineering. Proceedings).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Wind turbines
Economics
Costs
Mooring
Cranes
10 Downloads (Pure)

Evaluation of the forecasting model for current, wave and wind at DanWEC

Têtu, A., 2018, Aalborg: Department of Civil Engineering, Aalborg University. 41 p. (DCE Technical Reports; No. 224).

Research output: Book/ReportReportResearch

Open Access
File
sensor
forecast
evaluation
coast
test

Forecast Model for Current, Wave and Wind Climate at the Danish Test Site for Wave Energy, DanWEC

Tetu, A., Kofoed, J. P., Schlütter, F. & Hammer, P., 19 Sep 2018, Proceedings for the International Conference on Time Series and Forecasting: Proceedings of Papers 19- 21 September 2018 Granada (Spain). Valenzuela, O., Rojas, F., Pomares, H. & Rojas, I. (eds.). Godle Impresiones Digitales S.L., Vol. 2. p. 1328-1339

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

wave energy
climate
cost
forecast
test
8 Citations (Scopus)
175 Downloads (Pure)

Physical and Mathematical Modeling of a Wave Energy Converter Equipped with a Negative Spring Mechanism for Phase Control

Tetu, A., Ferri, F., Kramer, M. M. & Hals Todalshaug, J., 7 Sep 2018, In : Energies. 11, 9, 2362.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
Physical Modeling
Phase control
Converter
Mathematical Modeling
Takeoff
2 Citations (Scopus)

Real Sea Testing of a Small Scale Weptos WEC Prototype

Kofoed, J. P., Tetu, A., Ferri, F., Margheritini, L., Sonalier, N. & Larsen, T., 2018, ASME 2018 Proceedings of the 37th International Conference on Offshore Mechanics and Arctic Engineering - OMAE. American Society of Mechanical Engineers, Vol. 10: Ocean Renewable Energy. p. V010T09A022 9 p. OMAE2018-77173. (International Conference on Offshore Mechanics and Arctic Engineering. Proceedings).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

wave energy
floating structure
sea state
water depth
sea
2019

Analysis of wave climate forecast system performance off the north-western coast of Denmark

Têtu, A. & Kofoed, J. P., 13 May 2019.

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearch

Coastal zones
Costs
Wind power
Energy policy
Civil engineering

Environmental Conditions and Test Standards for the Danish Wave Energy Center

Frigaard, P., Têtu, A., Margheritini, L. & Kramer, M. B., 2019, Digital Proceedings of 14th Conference on Sustainable Development of Energy, Water and Environment Systems. Mudrovčić, A. (ed.). University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, SDEWES2019.0779. (Digital Proceedings (Dubrovnik Conference on Sustainable Development of Energy, Water and Environment Systems); No. 14).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Buoys
Testing
Numerical models
Coastal zones
Data acquisition

Evaluation of the forecasting model for wave climate prediction at DanWEC

Têtu, A. & Kofoed, J. P., 1 Sep 2019, Proceedings of the 13th European wave and tidal energy conference.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

wave climate
climate prediction
wave modeling
wave height
wave energy