Dresden 2011 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 15: Poster 1: Quanteninformation, Quanteneffekte, Laserentwicklung, Laseranwendungen, Ultrakurze Pulse, Photonik
Q 15.74: Poster
Montag, 14. März 2011, 16:30–19:30, P1
Toroid microcavity based frequency combs for optical telecommunication — •Marcel Dornbusch1, Florian Bach2, Mario Hauser1, Jörg Pfeifle2, Torsten Beck1, Tobias Grossmann1, Christian Koos2, and Heinz Kalt1 — 1Institute of Applied Physics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany — 2Institute of Photonics and Quantum Electronics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
Optical frequency comb generation has been demonstrated using various high-Q whispering gallery mode microcavities made of different nonlinear media. Such combs can be used as integrated light sources for ultra-high speed optical data transmission based on modulation of each individual frequency line. This application requires a comb with a multitude of equally strong, equidistant lines spaced apart 100 GHz or less.
A simulation to investigate the required resonator properties is presented. It is based on the nonlinear Schrödinger equation. The model parameters such as the effective mode area and the nonlinearity parameter are computed numerically with the help of a finite element mode solver.
Additionally, we investigate the fabrication process of glass toroid microcavities on a silicon chip setting value on the specifications of size, quality factor and mode area obtained in the simulation.