Publications

Journal Articles (6)

• Kohler, D.; Allegro, I.; Wondimu, S. F.; Hahn, L.; Freude, W.; Koos, C.
  Lasing in Si3N4-organic hybrid (SiNOH) waveguides
  Opt. Express 28, 5085--5104 (2020) [DOI]


• Wondimu, S. F.; Hippler, M.; Hussal, C.; Hofmann, A.; Kraemmer, S.; Lahann, J.; Kalt, H.; Freude, W.; Koos, C.
  Robust label-free biosensing using microdisk laser arrays with on-chip references
  Opt. Express 26, 3161--3173 (2018) [DOI]


• Wondimu, S. F.; von der Ecken, S.; Ahrens, R.; Freude, W.; Guber, A. E.; Koos, C.
  Integration of digital microfluidics with whispering-gallery mode sensors for label-free detection of biomolecules
  Lab Chip 17, 1740-1748 (2017) [DOI]


• Kraemmer, S.; Rastjoo, S.; Siegle, T.; Wondimu, S. F.; Klusmann, C.; Koos, C.; Kalt, H.
  Size-optimized polymeric whispering gallery mode lasers with enhanced sensing performance
  Optics Express 25, 7884-7894 (2017) [DOI]


• Wienhold, T.; Kraemmer, S.; Wondimu, S. F.; Siegle, T.; Bog, U.; Weinzierl, U.; Schmidt, S.; Becker, H.; Kalt, H.; Mappes, T.; Koeber, S.; Koos, C.
  All-polymer photonic sensing platform based on whispering-gallery mode microgoblet lasers
  Lab Chip 15, 3800-3806 (2015) [DOI]


• Bog, U.; Brinkmann, F.; Wondimu, S. F.; Wienhold, T.; Kraemmer, S.; Koos, C.; Kalt, H.; Hirtz, M.; Fuchs, H.; Koeber, S.; Mappes, T.
  Densely Packed Microgoblet Laser Pairs for Cross-Referenced Biomolecular Detection
  Advanced Science (2015) [DOI]

Conference Contributions (8)

• Kohler, D.; Wondimu, S. F.; Hahn, L.; Allegro, I.; Blaicher, M.; Freude, W.; Koos, C.
  Lasing in Si3N4-Organic Hybrid (SiNOH) Spiral Resonators
  Conf. on Lasers and Electro-Optics (CLEO'18), San Jose (CA), USA, May 13–18 , paper SM4I.6 (2018) [DOI] more


• Koos, C.; Freude, W.; Guber, A. E.; Schimmel, T.; Lauermann, M.; Schneider, S.; Weimann, C.; Muehlbrandt, S.; Harter, T.; Wondimu, S. F.; Wienhold, T.; von der Ecken, S.; Dietrich, P.-I.; Goering, G.
  Photonic Integration for Metrology and Sensing
  OSA Integrated Photonics Research, Silicon, and Nano- Photonics (IPR), New Orleans, Louisiana, USA, 24 - 27 July , paper ITh1A.1. (2017) [DOI] (invited)


• Kalt, H.; Siegle, T.; Kraemmer, S.; Flatae, A. M.; Schierle, S.; Richter, B.; Nocentini, S.; Parmeggiani, C.; Zeng, H.; Burresi, M.; Wiersma, D. S.; Wondimu, S. F.; Schuch, P.; Koos, C.
  Polymeric whispering gallery mode micro-resonators
  IEEE Photonics Conference (IPC'2016), Waikoloa, United States, 2-6 October, pp. 95-96 , paper 7830996 (2016) [DOI]


• Siegle, T.; Schierle, S.; Kraemmer, S.; Richter, B.; Wondimu, S. F.; Schuch, P.; Koos, C.; Kalt, H.
  Tunable coupling of whispering gallery mode resonators on elastomer substrates
  Conf. on Lasers and Electro-Optics (CLEO'16), San Jose (CA), USA, June 5 – 10 , paper STu1E.7. (2016) [DOI]


• Hofmann, A.; Kroeger, M.; Ungerer, M.; Wondimu, S. F.; Dietrich, P.-I.; Wienhold, T.; Lauermann, M.; Kohler, D.; Koos, C.; Bretthauer, G.
  Dosierplattform zur Deposition von optisch aktiven Medien für Anwendungen in der Photonik
  MikroSystemTechnik-Kongress 2015, Karlsruhe, Germany, Oct. 26–28 , EDAS Paper-ID 1570106627 (2015) more


• Dietrich, P.-I.; Wondimu, S. F.; Wienhold, T.; Steidle, M.; Hofmann, A.; Lindenmann, N.; Billah, M. R.; Hoose, T.; Blaicher, M.; Freude, W.; Koos, C.
  Herstellung mikrooptischer Komponenten durch Zwei-Photonen-Polymerisation
  MikroSystemTechnik-Kongress 2015, Karlsruhe, Germany, Oct. 26–28 , EDAS Paper-ID 1570106799 (2015) more


• Wondimu, S. F.; Siegle, T.; Bog, U.; Kraemmer, S.; Kalt, H.; Mappes, T.; Koeber, S.; Wienhold, T.; Koos, C.
  Vertically Stacked All Polymer Whispering Gallery Mode Lasers for Biosensing Applications
  Conf. on Lasers and Electro-Optics (CLEO'15), San Jose (CA), USA, May 10–15 , paper JW2A.78. Optical Society of America (OSA) (2015) [DOI]


• Bog, U.; Brinkmann, F.; Wondimu, S. F.; Wienhold, T.; Kraemmer, S.; Koos, C.; Kalt, H.; Koeber, S.; Mappes, T.; Hirtz, M.; Fuchs, H.
  Phospholipid-functionalized microgoblet lasers for biomolecular detection
  Conf. on Lasers and Electro-Optics (CLEO'15), San Jose (CA), USA, May 10–15 , paper STu4K.4. Optical Society of America (OSA) (2015) [DOI]

Lectures (1)

• Koeber, S.; Bog, U.; Wienhold, T.; Wondimu, S. F.; Mappes, T.; Brinkmann, F.; Hirtz, M.; Wiegele, S.; Kalt, H.; Koos, C.
  Lasing goblet resonators – active microstructures for integrated biosensors
  115th Annual DGaO Conference (DGaO'14), June 10 - 14, Karlsruhe, Germany (2014)