S. Janz

Second Harmonic Generation at 1.3 Micrometers Wavelength in InGaAsP Waveguide, (9999)

Cada, M., Svilans, M., Janz, S., Bierman, R., Normandin, R.

We report the first surface emission of red light from an InGaAsP/InP waveguide, generated by non-linear mixing of counter-propagating guided 1.3 micrometers waves.

Thermal annealing of SiC thin films with varying stoichiometry (2009)

Künle, M., Janz, S., Eibl, O., Berthold, C., Presser, V., Nickel, K.G.

Thin films of amorphous hydrogenated silicon carbide (a-SiC:H) with varying stoichiometry of silicon and carbon were prepared by Plasma Enhanced Chemical Vapour Deposition (PECVD). After deposition a...

Stretched-exponential increase in the open-circuit voltage induced by thermal annealing of amorphous silicon-carbide heterojunction solar cells (2009)

Pysch, D., Ziegler, J., Becker, J.P., Suwito, D., Janz, S., Glunz, S.W., ...

In this letter, the annealing behavior of the open-circuit voltage improvement of n-doped amorphous silicon-carbide heterojunction solar cells is investigated in detail. We present our results of a...

Recent developments in rear-surface passivation at Fraunhofer ISE (2009)

Hofmann, M., Janz, S., Schmidt, C., Kambor, S., Suwito, D., Kohn, N., ...

Fraunhofer ISE has a long experience in the field of surface passivation for crystalline silicon wafers. Novel rear-surface passivation layer systems have led to excellent results. Using a...

Stress Induced Effects for Advanced Polarization Control in Silicon Photonics Components (2008)

W. N. Ye, S. Janz, A. Delâge, P. Cheben, B. Lamontagne, ...

We review the use of the oxide cladding stress-induced photoelastic effect to modify the polarization dependent properties in silicon-on-insulator (SOI) waveguide components, and highlight...

Sensitive Label-Free Biomolecular Detection Using Thin Silicon Waveguides (2008)

A. Densmore, S. Janz, P. Waldron, J. Lapointe, T. Mischki, ...

We review our work developing optical waveguide-based evanescent field sensors for the label-free, specific detection of biological molecules. Using high-index-contrast silicon photonic wire...

Subwavelength Grating Structures in Silicon-on-Insulator Waveguides (2008)

J. H. Schmid, P. Cheben, S. Janz, J. Lapointe, E. Post, A. Delâge, ...

First implementations of subwavelength gratings (SWGs) in silicon-on-insulator (SOI) waveguides are discussed and demonstrated by experiment and simulations. The subwavelength effect is exploited for...

Advanced optical confinement and further improvements for crystalline silicon thin film solar cells (2008)

Janz, S., Künle, M., Lindekugel, S., Reber, S.

Every silicon thin-film solar cell concept is dependent on an excellent optical confinement. As well as texturisation and an anti-reflection coating on the front side, the rear-side needs a reflector...

Sensitive Label-Free Biomolecular Detection Using Thin Silicon Waveguides (2008)

A. Densmore, S. Janz, P. Waldron, J. Lapointe, T. Mischki, ...

We review our work developing optical waveguide-based evanescent field sensors for the label-free, specific detection of biological molecules. Using high-index-contrast silicon photonic wire...

Stress Induced Effects for Advanced Polarization Control in Silicon Photonics Components (2008)

W. N. Ye, S. Janz, A. Delâge, P. Cheben, B. Lamontagne, ...

We review the use of the oxide cladding stress-induced photoelastic effect to modify the polarization dependent properties in silicon-on-insulator (SOI) waveguide components, and highlight...

Subwavelength Grating Structures in Silicon-on-Insulator Waveguides (2008)

J. H. Schmid, P. Cheben, S. Janz, J. Lapointe, E. Post, A. Delâge, ...

First implementations of subwavelength gratings (SWGs) in silicon-on-insulator (SOI) waveguides are discussed and demonstrated by experiment and simulations. The subwavelength effect is exploited for...

Advanced upconverter systems with spectral and geometric concentration for high upconversion efficiencies (2008)

Goldschmidt, J.C., Löper, P., Fischer, S., Janz, S., Peters, M., Glunz, S.W., ...

In this paper we present an advanced upeonverter system concept to reduce the sub-bandgap losses of silicon solar cells. We address the issue of the narrow absorption range of common upconverter...

Amorphous silicon carbide for photovoltaic applications (2007)

Janz, S.

Optical confinement in recrystallised wafer equivalent thin film solar cells (2007)

Janz, S., Künle, M., Peters, M., Lindekugel, S., Mitchell, E.J., Reber, S.

Passivation mechanisms of amorphous SixC1-x layers on highly doped and textured Si surfaces (2007)

Janz, S., Suwito, D., Glunz, S.W.

Plasma texturing of low-defect epitaxial layers (2007)

Lindekugel, S., Janz, S., Schmich, E., Reber, S.

Conductive SiC as an intermediate layer for CSITF solar cells (2006)

Janz, S., Reber, S., Lutz, F., Schetter, C.

Phosphorus-doped SiC as an excellent p-type Si surface passivation layer (2006)

Janz, S., Riepe, S., Hofmann, M., Reber, S., Glunz, S.

The passivation properties of phosphorus-doped amorphous silicon carbide (a-SixC1-x) layers on monocrystalline Si wafers (floating zone, 1 Omega cm) have been investigated. The cleaning and the...

Surface passivation of silicon solar cells using amorphous silicon carbide layers (2006)

Glunz, S., Janz, S., Hofmann, M., Roth, T., Willeke, G.

Amorphous SiC: Applications for silicon solar cells (2006)

Janz, S., Reber, S., Glunz, S.

Solar cell processing of recrystallized wafer equivalents on low-cost ceramics (2006)

Janz, S., Reber, S., Habenicht, H.

Processing of C-SI thin-film solar cell on ceramic substrate with conductive SIC diffusion barrier layer (2006)

Janz, S., Reber, S., Habenicht, H.

Processing of C-SI thin-film solar cell on ceramic substrate with conductive SIC diffusion barrier layer (2006)

Janz, S., Reber, S., Habenicht, H., Lautenschlager, H., Schetter, C.

All work published so far on C-SiTF on ceramics was based on either non-conductive ceramics, or on "model" ceramics never able to cope with the cost requirements. For a wafer equivalent approach,...

Progress in crystalline silicon thin-film solar cell work at Fraunhofer ISE (2005)

Reber, S., Eyer, A., Schmich, E., Haas, F., Schillinger, N., Janz, S.

SiC as an intermediate layer for CsiTF solar cells on various substrates (2005)

Janz, S., Reber, S., Lutz, F., Schetter, C.

Comparison of different dielectric passivation layers for application in industrially feasible high-efficiency crystalline silicon solar cells (2005)

Glunz, S.W., Grohe, A., Hermle, M., Hofmann, M., Janz, S., Roth, T., ...

C-Si thin-film solar cells on ceramic substrates with SiC intermediate layers (2005)

Janz, S., Reber, S., Habenicht, H.

Application of SiC as intermediate layer in crystalline silicon thin-film solar cells (2003)

Bau, S., Janz, S., Kieliba, T., Schetter, C., Reber, S., Lutz, F.

Tetravinyl-tetramethylcyclo-tetrasiloxane (tetravinyl D4) is a mutagen in Rat2lambda lacI fibroblasts (1998)

Felix, K, Lin, S, Bornkamm, GW, Janz, S

Persistence of immunoglobulin heavy chain/c-myc recombination-positive lymphocyte clones in the blood of human immunodeficiency virus-infected homosexual men.

Müller, J R, Janz, S, Goedert, J J, Potter, M, Rabkin, C S

We studied blood lymphocytes of human immunodeficiency virus (HIV)-seropositive and -negative homosexual men for the presence of T(8;14) translocations that recombine c-myc and immunoglobulin...

Differences in the molecular structure of c-myc-activating recombinations in murine plasmacytomas and precursor cells.

Müller, J R, Potter, M, Janz, S

The translocation of c-myc on chromosome (chr.) 15 to an immunoglobulin heavy-chain switch region on chr. 12 is the critical oncogenic step in pristane-induced plasmacytoma (PCT) development in...

Detection of recombinations between c-myc and immunoglobulin switch alpha in murine plasma cell tumors and preneoplastic lesions by polymerase chain reaction.

Janz, S, Müller, J, Shaughnessy, J, Potter, M

Virtually all murine plasmacytomas carry chromosomal translocations that activate c-myc. The predominant (approximately 90%) c-myc-activating chromosomal translocation in pristane...

Persistence of immunoglobulin heavy chain/c-myc recombination-positive lymphocyte clones in the blood of human immunodeficiency virus-infected homosexual men.

Müller, J R, Janz, S, Goedert, J J, Potter, M, Rabkin, C S

We studied blood lymphocytes of human immunodeficiency virus (HIV)-seropositive and -negative homosexual men for the presence of T(8;14) translocations that recombine c-myc and immunoglobulin...

Differences in the molecular structure of c-myc-activating recombinations in murine plasmacytomas and precursor cells.

Müller, J R, Potter, M, Janz, S

The translocation of c-myc on chromosome (chr.) 15 to an immunoglobulin heavy-chain switch region on chr. 12 is the critical oncogenic step in pristane-induced plasmacytoma (PCT) development in...

Detection of recombinations between c-myc and immunoglobulin switch alpha in murine plasma cell tumors and preneoplastic lesions by polymerase chain reaction.

Janz, S, Müller, J, Shaughnessy, J, Potter, M

Virtually all murine plasmacytomas carry chromosomal translocations that activate c-myc. The predominant (approximately 90%) c-myc-activating chromosomal translocation in pristane...