Will­kom­men im Fach­ge­biet The­o­re­ti­sche Elek­tro­tech­nik (TET)

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Unser Forschungsgebiet ist die theoretische Beschreibung von photonischen und optoelektronischen Systemen wie optischen Nanoantennen, dielektrischen Wellenleitern, photonischen Kristallen, Metamaterialien, plasmonischen Systemen, oder biologischen/biomimetischen photonischen Strukturen. Unsere Stärke liegt in der Kombination von hochentwickelten Materialmodellen mit modernsten numerischen Methoden zur Simulation elektromagnetischer Felder.

Forschung: Themen, Publikationen, Team

Lehre: Regelmäßige Lehrangebote, Aktuelle Kurse, Aktuelle Projektarbeiten

An­kün­di­gun­gen/Neu­ig­kei­ten

New pu­bli­ca­ti­on: An ef­fi­cient com­pact bla­zed gra­ting an­ten­na for op­ti­cal pha­sed ar­rays

Authors: H Farheen, S Joshi, JC Scheytt, V Myroshnychenko, J Förstner https://ris.uni-paderborn.de/record/55989 https://doi.org/10.1088/2515-7647/ad6ed4

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New pu­bli­ca­ti­on: Sym­me­try-pro­tec­ted TM mo­des in rib-li­ke, plus-sha­ped op­ti­cal wave­gui­des with shal­low et­ching

Authors: N. Üstün, H. Farheen, M.Hammer, J Förstner https://ris.uni-paderborn.de/record/55751 https://doi.org/10.1364/josab.528729

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New pu­bli­ca­ti­on Edi­tor's Pick: Ar­tic­le Co­ver Esti­ma­ti­on of los­ses cau­sed by si­de­wall rough­ness in thin-film li­thi­um ni­o­ba­te rib…

Authors: M. Hammer, S. Babel, H. Farheen, L. Padberg, J. C. Scheytt, C. Silberhorn, J. Förstner https://ris.uni-paderborn.de/record/54668 https://doi.org/10.1364/oe.521766

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9.07.24: TET pro­ject pre­sen­ta­ti­on “Eva­lua­ti­on of the In­flu­ence of the Ne­ar-Field Scan­ner En­vi­ron­ment”

Dear colleagues, dear students, on Tuesday, the 9th of July, the following project presentation will take place in the TET group: Title: “Evaluation of the Influence of the Near-Field Scanner Environment” Lecturers: Amit Ghosh and Naimur Rahman Language: English Time: 14:00 Location: P1.6.17.1 We welcome everyone to join us!

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5.06.24: Mas­ter the­sis pre­sen­ta­ti­on on "De­sign and fa­bri­ca­ti­on of il­lu­mi­na­ti­on op­tics for an en­dos­co­pic light sour­ce"

Dear all, on Wednesday, 5th of June, at 9:00 a.m., we would like to invite you to the Master thesis presentation of Osama Afzal about "Design and fabrication of illumination optics for an endoscopic light source" (in cooperation with Printoptics company) The presentation can be followed on zoom by this link. (meeting-id: 209 369 2542, code: 187117)  We appreciate your interest!

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New Pu­bli­ca­ti­on: From Swiss-chee­se to dis­crete fer­ro­elec­tric com­po­si­tes: as­ses­sing the fer­ro­elec­tric but­ter­fly sha­pe in…

Authors: V. Myroshnychenko, P. M. Mulavarickal Jose, H. Farheen, S. Ejaz, Ch. Brosseau, J. Förstner https://ris.uni-paderborn.de/record/52700 https://doi.org/10.1088/1402-4896/ad3172

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Die fünf neu­es­ten Pu­blik­ti­o­nen

An efficient compact blazed grating antenna for optical phased arrays

H. Farheen, S. Joshi, J.C. Scheytt, V. Myroshnychenko, J. Förstner, Journal of Physics: Photonics 6 (2024) 045010.

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Symmetry-protected TM modes in rib-like, plus-shaped optical waveguides with shallow etching

N. Üstün, H. Farheen, M. Hammer, J. Förstner, Journal of the Optical Society of America B 41 (2024) 2077.

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From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops

V. Myroshnychenko, P.M. Mulavarickal Jose, H. Farheen, S. Ejaz, C. Brosseau, J. Förstner, Physica Scripta 99 (2024) 045952.

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Estimation of losses caused by sidewall roughness in thin-film lithium niobate rib and strip waveguides

M. Hammer, S. Babel, H. Farheen, L. Padberg, J.C. Scheytt, C. Silberhorn, J. Förstner, Optics Express 32 (2024) 22878.

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Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas

H. Farheen, S. Joshi, J.C. Scheytt, V. Myroshnychenko, J. Förstner, in: 2023 IEEE Photonics Conference (IPC), IEEE, 2023.

DOI

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