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 Forschungsbericht für das Jahr 2017

Optische Systeme

Prof. Dr. Karsten Buse

Georges-Köhler-Allee 102
79110 Freiburg
Tel: 8857111
http://www.imtek.uni-freiburg.de/os


Wissenschaftliche Mitarbeiterinnen und Mitarbeiter

  • Prof. Dr. Karsten Buse, Leitung (m/w)
  • Birgit Hundrieser, Sekretariat (m/w)
  • Dr. Ingo Breunig, Assistent / Gruppenleiter (m/w)
  • Dr. Yuechen Jia, Postdoc (m/w)
  • M.Sc. Simon Herr, Doktorand (m/w)
  • M.Sc. Jan Peter Szabados, Doktorand (m/w)
  • M.Sc. Christoph Werner, Doktorand (m/w)
  • M.Sc. Richard Wolf, Doktorand (m/w)
  • M.Sc. Sebastian Wolf, Externer Doktorand (m/w)
  • B.Sc. Sebastian Bonaus, Master-Student (m/w)
  • M.Sc. Kevin Hanka, HiWi (m/w)
  • B.Sc. Sushanth Kini Manjeshwar, Ehemalige Mitarbeiter (m/w)
Einträge in der Rubrik "Who is Who"

Wissenschaftliche Projekte und Forschungsvorhaben


  • FlüsterLicht
  • LED-gepumpte optisch-parametrische Oszillatoren

Wissenschaftliche Publikationen

Originalarbeiten in wissenschaftlichen Fachzeitschriften:
  • Herr S, Buse K, Breunig I: LED-pumped whispering-gallery laser Photonics Res, 2017; 5 (6): B34-B38. : https://doi.org/10.1364/PRJ.5.000B34
  • Herr S, Folwill Y, Buse K, Breunig I: Self-frequency doubling in a laser-active whispering-gallery resonator Opt Lett, 2017; 42: 2627. : https://doi.org/10.1364/OL.42.002627
  • Meisenheimer S, Fürst J, Buse K, Breunig I: Continuous-wave optical parametric oscillation tunable up to an 8 μm wavelength Optica, 2017; 4: 189. : https://doi.org/10.1364/OPTICA.4.000189
  • Schiller A, Beckmann T, Fratz M, Belzer D, Bertz A, Carl D, Buse K: Digital holography on moving objects: interference contrast as a function of velocity and aperture width Appl Optics, 2017; 56 (16): 4622-4628. : https://doi.org/10.1364/AO.56.004622
  • Werner C, Herr S, Buse K, Sturman B, Soergel E, Razzaghi C, Breunig I: Large and accessible conductivity of charged domain walls in lithium niobate Sci Rep-uk, 2017; 7 (online): 9862. : http://dx.doi.org/10.1038/s41598-017-09703-2
  • Werner C, Yoshiki W, Herr S, Breunig I, Buse K: Geometric tuning: spectroscopy using whispering gallery resonator frequency-synthesizers Optica, 2017; 4: 1205. : https://doi.org/10.1364/OPTICA.4.001205
  • Wolf R, Breunig I, Zappe H, Buse K: Cascaded second-order optical nonlinearities in on-chip micro rings Opt Express, 2017; 25: 29927. : https://doi.org/10.1364/OE.25.029927
  • Wolf S, Kiessling J, Kunz M, Popko G, Buse K, Kühnemann F: Upconversion-enabled array spectrometer for the mid-infrared, featuring kilohertz spectra acquisition rates Opt Express, 2017; 25 (13): 14504-14515. : https://doi.org/10.1364/OE.25.014504
  • Wolf S, Trendle T, Kiessling J, Herbst J, Buse K, Kühnemann F: Self-gated mid-infrared short pulse upconversion detection for gas sensing Opt Express, 2017; 25 (20) (online): 24459-24468. : https://doi.org/10.1364/OE.25.024459
Konferenzbeiträge:
  • Breunig I: Whispering gallery optical parametric oscillators become mature 2017 (online) (Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, IEEE). : http://dx.doi.org/10.1109/CLEOE-EQEC.2017.8086662
  • Breunig I, Fürst J, Hanka K, Buse K: Continuous-wave optical parametric oscillation tunable up to 8 μm wavelength Journal of Physics: Conference Series, 2017; 867: 012010 (Photorefractive Photonics, Qingdao, Shandong, China.). : https://doi.org/10.1088/1742-6596/867/1/012010
  • Fratz M, Beckmann T, Schiller A, Seyler T, Bertz A, Carl D, Buse K: Digital holography: Evolution from a research topic to a versatile tool for the inline 100% 3D quality control in industry Proceedings SENSOR 2017, 2017; 2017: 286-289 (18th International Conference on Sensors and Measurement Technology (SENSOR), Nuremberg, Germany). : http://dx.doi.org/10.5162/sensor2017/B8.1
  • Herr S, Buse K, Breunig I: Laser-active whispering-gallery resonators as versatile platform for optical three-wave mixing 2017 (online) (Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, IEEE). : http://dx.doi.org/10.1109/CLEOE-EQEC.2017.8086528
  • Jia Y, Szabados J, Winkler M, Breunig I, Cimalla V, Kirste L, Zukauskaite A, Buse K: Potassium-tantalate-niobate mixed crystal thin films for applications in nonlinear integrated optics 2017 (online) (Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, IEEE). : http://dx.doi.org/10.1109/CLEOE-EQEC.2017.8086633
  • Jia Y, Winkler M, Szabados J, Breunig I, Kirste L, Cimalla V, Zukauskaite A, Buse K: Potassium tantalate-niobate mixed crystal thin films for applications in nonlinear integrated optics Journal of Physics: Conference Series, 2017; 867: 012020 (Photorefractive Photonics, Qingdao, Shandong, China.). : https://doi.org/10.1088/1742-6596/867/1/012020
  • Schiller A, Beckmann T, Fratz M, Belzer D, Bertz A, Carl D, Buse K: Digital holography on moving objects: Multiwavelength height measurements on inclined surfaces Proceedings of SPIE, 2017; 10329: 103290D (Optical Measurement Systems for Industrial Inspection X, Munich, Germany). : http://dx.doi.org/10.1117/12.2270176
  • Veenhuizen K, Stone GA, Knabe B, Buse K, Dierolf V: Dependence of stoichiometry of lithium niobate nanocrystals on initial lithium to niobium ratios in the synthesis step IOP conference series. Materials science and engineering, 2017; 169: 012022 (International Conference on Defects in Insulating Materials, ICDIM 2016, Lyon, France). : http://dx.doi.org/10.1088/1757-899X/169/1/012022
  • Werner C, Buse K, Breunig I: Piezo-tunable second-harmonic-generation in a whispering-gallery resonator 2017 (online) (Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, IEEE). : http://dx.doi.org//10.1109/CLEOE-EQEC.2017.8086524
  • Wolf R, Buse K, Breunig I, Zappe H: Q-factor enhancement of integrated lithium-niobate-on-insulator ridge waveguide whispering-gallery-mode resonators by surface polishing Proceedings of SPIE, 2017; 10090: 1009002 (Laser Resonators, Microresonators, and Beam Control XIX, San Francisco, CA, United States). : http://dx.doi.org/10.1117/12.2251516
  • Wolf R, Zappe H, Buse K, Breunig I: Batch-processed high-Q integrated lithium-niobate-on-insulator ridge waveguide whispering-gallery resonators 2017 (online) (Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, IEEE). : http://dx.doi.org/10.1109/CLEOE-EQEC.2017.8086600

Besondere wissenschaftliche Aktivitäten

Abschlussarbeiten

Master
  • Jan Szabados: Electro-optic eigenfrequency tuning of potassium tantalate-niobate whispering gallery resonators (Betreuer/in Dr. Ingo Breunig, Erstgutachter/in Prof. Dr. Giuseppe Sansone, Physikalisches Institut, Uni Freiburg, Zweitgutachter/in Prof. Dr. Karsten Buse), 2017.
  • Kevin Hanka: Erzeugung von mittelinfrarotem Licht in Flüstergalerieresonatoren aus Silbergalliumselenid (Erstgutachter/in Prof. Dr. Karsten Buse, Zweitgutachter/in Prof. Dr. Hans Zappe), 2017.
  • Sushanth Kini Manjeshwar: Mode selection in whispering gallery resonators by femtosecond laser micromachining (Erstgutachter/in Prof. Dr. Karsten Buse, Zweitgutachter/in Prof. Dr. Ulrike Wallrabe), 2017.