Scientific Commons: U. Lemmer

Photonic stopband tuning of organic semiconductor distributed feedback lasers by oblique angle deposition of an intermediate high index layer (2009)

Stroisch, M., Teiwes-Morin, C., Woggon, T., Gerken, M., Lemmer, U., Forberich, K., ...

We modified the photonic band structure of organic distributed feedback lasers by introducing a patterned high index intermediate layer of tantalum pentoxide. This layer was oblique angle evaporated...

Dye-sensitized solar cells based on nanostructured zinc oxide. (2009)

Conradt, J., Szmytkowski, J., Maier-Flaig, F., Sartor, J., Fallert, J., Reinhard, M., ...

Frühjahrstagung DPG, Symp.Organische Photovoltaik, Dresden, 22.-27.März 2009

Design for optimized coupling of organic semiconductor laser light into polymer waveguides for highly integrated biophotonic sensors. (2009)

Mappes, T., Vannahme, C., Schelb, M., Lemmer, U., Mohr, J.

Microelectronic Engineering, 86(2009) S.1499-1501

Polymer biophotonic lab-on-chip devices with integrated organic semiconductor lasers. (eingeladen) (2009)

Mappes, T., Vannahme, C., Klinkhammer, S., Woggon, T., Schelb, M., Lenhert, S., ...

Shinar, R. [Hrsg.]

Polymer biophotonic lab-on-a-chip with integrated organic semiconcutor lasers. (2009)

Mappes, T., Vannahme, C., Klinkhammer, S., Lemmer, U.

SPIE Newsroom DOI:10.1117/2.1200909.1788

A continuously tunable low-threshold organic semiconductor distributed feedback laser fabricated by rotating shadow maks evaporation. (2009)

Klinkhammer, S., Woggon, T., Geyer, U., Vannahme, C., Dehm, S., Mappes, T., ...

Applied Physics B, 97(2009) S.787-91

Coupling of organic semiconductor laser light into polymer waveguides for highly integrated bio-photonic sensors. (2008)

Mappes, T., Vannahme, C., Schelb, M., Lemmer, U., Mohr, J.

34th Internat.Conf.on Micro and Nano Engineering, Athinai, GR, September 15-19, 2008

Organic semiconductor lasers as integrated light sources for optical sensor systems. (2008)

Punke, M., Woggon, T., Stroisch, M., Ebenhoch, B., Geyer, U., Karnutsch, C., ...

Shinar, R. [Hrsg.]

Coupling of organic semiconductor amplified spontaneous emission into polymeric single-mode waveguides patterned by deep-UV irradiation. (2007)

Punke, M., Mozer, S., Stroisch, M., Heinrich, M.P., Lemmer, U., Henzi, P., ...

IEEE Photonics Technology Letters, 19(2007) S.61-63

Fabrication and characterization of organic solid-state lasers using imprint technologies. (2007)

Punke, M., Stroisch, M., Woggon, T., Pütz, A., Heinrich, M.P., Gerken, M., ...

IEEE/LEOS Summer Topicals 2007, Portland, Or., July 23-25, 2007

All-organic waveguide coupled solid-state distributed feedback laser. (2007)

Punke, M., Woggon, T., Stroisch, M., Heinrich, M.P., Karnutsch, C., Mozer, S., ...

Conf.on Lasers and Electro-Optics (CLEO Europe), Internat.Quantum Electronics Conf.(IQEC 2007), München, June 17-22, 2007

Lasing mechanisms in organic photonic crystal lasers with two-dimensional distributed feedback (2006)

Forberich, K., Gombert, A., Pereira, S., Crewett, J., Lemmer, U., Diem, M., ...

We present a detailed experimental and theoretical investigation of the lasing characteristics of organic photonic crystal lasers. These lasers are based on strongly modulated two-dimensional polymer...

Lasing action in two-dimensional organic photonic crystal lasers with hexagonal symmetry (2006)

Forberich, K., Diem, M., Crewett, J., Lemmer, U., Gombert, A., Busch, K.

We investigate fluorescence and lasing action from strongly modulated two-dimensional surface relief structures with hexagonal symmetry onto which thin films of optically active organic material have...

Organic semiconductor devices for micro-optical applications. (2006)

Punke, M., Mozer, S., Stroisch, M., Gerken, M., Bastian, G., Lemmer, U., ...

Photonics Europe 2006 : Micro-Optics, VCSELs, and Photonic Interconnects II: Fabrication, Packaging and Integration ; Proc.of the Conf., Strasbourg, F, April 3-7, 2006

Polymeric photonic crystal lasers (2004)

Forberich, K., Riechel, S., Pereira, S., Gombert, A., Busch, K., Feldmann, J., ...

Low-threshold polymeric distributed feedback lasers with metallic contacts (2004)

Reufer, M., Riechel, S., Lupton, J.M., Feldmann, J., Lemmer, U., Schneider, D., ...

Optical losses in waveguides comprising metallic contacts are thought to be a major hurdle to the realization of organic laser diodes. We demonstrate here that careful tuning of the waveguide mode in...

Conjugated Polymers: Lasing and Stimulated Emission (2001)

Scherf,Ullrich, Riechel,S., Lemmer,U., Mahrt,R. F.

Two Step Charge Carrier Generation in a Ladder-type Conjugated Polymer (2001)

Müller,J. G., Scherf,Ullrich, Lemmer,U.

Very compact tunable solid-state laser utilizing a thin-film organic semiconductor (2001)

Riechel, S., Lemmer, U., Feldmann, J., Berleb, S., Mückl, A.G., Brütting, W., ...

Conjugated Polymers: Lasing and Stimulated Emission (2001)

Scherf, Ullrich, Riechel, S., Lemmer, U., Mahrt, R. F.

Two Step Charge Carrier Generation in a Ladder-type Conjugated Polymer (2001)

Müller, J. G., Scherf, Ullrich, Lemmer, U.

A nearly diffraction limited surface emitting conjugated polymer laser utilizing a two-dimensional photonic band structure (2000)

Riechel, S., Kallinger, C., Lemmer, U., Feldmann, J., Gombert, A., Wittwer, V., ...