GRK695: NONLINEARITIES OF OPTICAL MATERIALS

Current Research Projects

• Investigation of epitaxial ferromagnetic films (T. Kuschel, J. Wollschläger)
• Growth and Characterization of Semiconductor Insulator Nanostructures (S. Gevers, J. Wollschläger)
• On the theory of TM-electromagnetic guided waves  in a nonlinear film (K. Yuskaeva, H. W. Schürmann, H.-J. Schmidt)
• Cluster assembled materials: Stability and optical properties (H. Cantera Lopez, G. Borstel)
• High-resolution imaging of functionalized surfaces in air and liquids (S. Rode, A. Kühnle, M. Haase, M. Reichling)
• Nonlinear generation of light in strontium barium niobate (A. Niemer, K. Betzler)
• Epitaxial organic films on TiO₂ (D. Bruns, J. Wollschläger)

Completed research projects

• Critical phenomena in optics (V. Kamenov, M. Gorkounov, E. Krätzig,  K. Ringhofer)
• Nonlinear optical properties of photorefractive strontium-barium niobate crystals (M. Wesner, D. Kip, E. Krätzig)
• Nonlinear optical processes in atomic and molecular clusters (J. Plenge, R. Flesch, E. Rühl)
• Frequency conversion, nonlinear optical processes in atomic and molecular clusters (A. Pramann, R. Flesch, E. Rühl)
• Space-charge waves in photorefractive crystals (F. Rahe, E. Krätzig)
• Microwave interactions in nonlinear metamaterials(M. Lapine, M. Gorkounov, K. Betzler, K. Ringhofer)
• Nonlinear optical and dielectric properties of undoped Strontium-Barium-Niobate near the phase trasition (A. Tunyagi, K. Betzler)
• Improvement of lithium niobate crystals for frequency conversion (M. Müller, K. Buse)
• Optical frequency conversion in oxide waveguides (A. Wirp, D. Kip)
• Properties of  one-dimensional spatial solitons in photorefractive media (A. Geisler, H. W. Schürmann)
• Reflection and transmission of a plane TE-wave at a lossless nonlinear dielectric film with a permittivity depending on the transverse coordinate (E. Svetogorova, H. W. Schürmann)
• Vectorial beam coupling in fast photorefractive crystals with AC-enhanced response (O. Filippov, M. Gorkounov, E. Krätzig, K. Ringhofer)
• Nonlinear wave equations and solitons (F. Homann, H.-J. Schmidt, K. Bärwinkel, J. Schnack)
• Light-induced absorption changes in ferroelectric crystals (I. Kislova, S. Kapphan)
• Growth and characterization of Sr_xBa_1-xNb₂O₆ crystals with x ranging from 0.32 to 0.82 (M. Ulex, K. Betzler, R. Pankrath)
• Magnetic solitons in magnetic molecules (P. Shchelokovskyy, K. Bärwinkel, H.-J. Schmidt, J. Schnack)
• Dielectric and optical properties of doped SBN (C. A. David, M. Wöhlecke)
• Energy transfer and light amplification with holographic scattering (S. Schwalenberg, M. Imlau,  E. Krätzig)
• Light-Induced absorption changes in the visible and infrared range in ferroelectric crystals (A. Gubaev, S. Kapphan)
• Initial scattering processes in the field of holographic scattering (K. Bastwöste, E. Krätzig, M. Imlau)
• Growth and characterization of doped Sr_xBa_1-xNb₂O₆ crystals with x ranging from 0.2 to 0.8 (S. Podlozhenov, R. Pankrath, K. Betzler)
• Elliptic solutions of some nonlinear wave and evolution equations and their linear superposition (J. Nickel, H. W. Schürmann)
• Optical properties of nano-sized perovskite particles (H. Shi, R. Eglitis, M. Neumann, G. Borstel)
• Photorefractive properties of nonlinear optical crystals upon illumination with pulsed laser light (C. Merschjann, M. Imlau)
• Intrinsic and extrinsic defects in high-purity fluorite for optical applications (J. Sils, R. Eglitis, G. Borstel, M. Reichling)
• Nonlinear optical properties of modified bacteriorhodopsins (A. Krasnaberski, K. Betzler, M. Imlau, H.-J. Steinhoff)
• Wave mixing in nonlinear metamaterials (O. Sydoruk, O. Zhuormskyy, F. Hesmer, K. Betzler, E. Shamonina)
• Investigation of optical destruction thresholds in NLO crystals (S. Möller, M. Imlau)
• Generation of holographic scattering in photorefractive crystals with intensive short laser pulses (A. Selinger, M. Imlau)
  
• Characterization of space-charges waves in solid state material (M. Lemmer, M. Wöhlecke)
• Dynamics of solitons (P. Hage, K. Bärwinkel, J. Schnack,  H.-J Schmidt)
• Momentum space spectroscopy of structural phase transitions (U. Völker, K. Betzler)
• Chemical Synthesis and nonlinear optical properties of lanthanoid-doped colloidal LiYF₄ and LiGdF₄ nanoparticles (P. Ptacek, M. Haase, K. Betzler, M. Imlau)
• Energy transport in quantum chains featuring non-linear couplings (M. Kadiroglu, J. Gemmer, J. Schnack)
• Characterization of perovskites and related materials for non linear optical and magnetic applications (M. Räkers, M. Neumann)
• Modification of flat and mesoporous electrode surface (I. Rianasari, L. Walder)
• Properties of defect-bound polarons located in the near-surface of oxide crystals (B. Schoke, M. Imlau, M. Rohlfing)
• Transport through one-dimensional nanowires on surfaces (C. Bartsch, J. Gemmer, M. Rohlfing, A. Kühnle)
• Nonlinear optofluidics with photoswitchable nitrosyl- and sulfoxide compounds (V. Dieckmann, M. Imlau)
• Space-charge wave spectroscopy in (ultra-)thin semiconductors (B. Hilling, M. Imlau)
• Nonlinear optical and dielectric properties of calcium barium niobate (U. Heine, K. Betzler)