Integrated Planar Waveguide Concave Gratings for High Density WDM Systems

C.-T. Lin, Y.-T. Huang, J.-Y. Huang, and H.-H. Lin (Taiwan)

Keywords

integrated optics, concave grating, etched grating, wavelengthdivision multiplexing, polarization indepen dence.

Abstract

Three-type designs of concave gratings, including Rowland-circle type, Taylor-expansion type, and recursive de nition type are discussed and their diffraction perfor mance are compared. Furthermore, the structure of compensation design for polarization independence in a planar waveguide structure is discussed.

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