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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 60: Photonics III

Q 60.4: Talk

Friday, March 12, 2010, 11:15–11:30, F 128

Simulation analysis of one-dimensional photonic crystal Fabry-Perot filters — •Aws Al-Saadi1, Bülent A. Franke1, Shaimaa Mahdi1, Sigurd Schrader2, Viachaslau Ksianzou2, Harald Richter2, Stefan Meister1, and Hans J. Eichler11Technische Universität Berlin, Institut für Optik und Atomare Physik, Berlin, Germany — 2Technische Fachhochschule Wildau, Institut für Plasma- und Lasertechnik, Wildau, Germany

We present 3-D FDTD simulation results to specify the relevant parameters of photonic bandgap (PBG) structures in asymmetric strip waveguide. These mandatory simulations act as pre-processing step before CMOS fabricating of a one-dimensional photonic crystal (PhC) Fabry-Perot filters on a Silicon-on-Insulator (SOI) wafer. The microcavity filters were formed by holes inside of the stripe waveguide. Tuning the Fabry-Perot filter parameters (holes diameter, holes number and cavity length) which make effects on the transmission characteristics (center wavelength, spectral bandwidth, maximum transmission) were investigated. Influence of first and higher order cavity length as well as the number of cavities on the filter spectral shape was analyzed. Finally, in order to achieve the desired spectral shape of the filter function for several applications, a number of different cavities were designed and investigated. Simulation spectral results of the designed filters will be compared to the measurement results.

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