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Transregional Collaborative Research Center TRR142 - Sonderforschungsbereich/Transregio TRR142

Tailored Nonlinear Photonics: From Fundamental Concepts to Functional Structures


The central goal of the TRR142 is the establishment of a new kind of tailored nonlinear photonics, which is driven by concepts from quantum optics, coherent optics, ultrafast optoelectronics, and solid state physics.

The research program of the TRR is subdivided in the sections fundamentals, materials, and functional structures.

Organized as a comprehensive TRR-program, it combines the core expertise of the University of Paderborn in photonic materials, technology, quantum optics, and theory with that of the TU Dortmund University in nonlinear spectroscopy. The research within the TRR142 is entirely concentrated on the physics and applications of nonlinear light matter interactions. The focus is on the one hand on the tailoring of the most important nonlinear interactions like frequency conversion processes based on nonlinear susceptibilities, the nonlinear control of the population, and nonlinear pulse propagation. On the other hand it brings in new and promising concepts from quantum optics, coherent optics, and optoelectronics. These include nonlinear optical effects on the single photon level, the introduction of optically created virtual states for the control of transitions, and the optical or electrical control of nonlinearities in the coherent regime. By the systematic exploitation of nonlinear interactions, the TRR142 will substantially contribute to the future development of optoelectronics and photonics.

The ultimate goal is to drive nonlinear optical effects from the stage of fundamental physical investigations towards functional structures for future information technologies, which cannot be realized by linear approaches.