We report a method of investigating photonic crystals in planar waveguides by coupling short pulses into the waveguide using gratings. With this method the transmission spectrum can be measured within a spectral range of 90nm.
© 2004 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(230.0230) Optical devices : Optical devices
(230.3990) Optical devices : Micro-optical devices
F. Röser, T. Schreiber, E. Kley, and A. Tünnermann, "Broadband grating coupling of light into waveguides for characterizing photonic crystals," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CWP3.
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