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Optical waveguide components with high refractive index difference in silicon-oxynitride for application in integrated optoelectronics

: Schauwecker, B.; Arnold, M.; Radehaus, C.V.; Przyrembel, G.; Kuhlow, B.


Optical engineering 41 (2002), Nr.1, S.237-243
ISSN: 0091-3286
ISSN: 0036-1860
ISSN: 1560-2303
Fraunhofer HHI ()

Planar optical waveguide structures in communication network applications require a number of indispensable features, e.g., low insertion loss, efficient fiber-to-chip coupling, polarization independent operation, and high integration density, as well as reliable and cost-efficient fabrication. The presented concept of integrated optical waveguide structures is based on the high refractive index material system of silicon-oxynitride on silicon. This system has the potential to meet all mentioned requirements. We describe the design and fabrication of such waveguide structures and demonstrate basic integrated optical components with good performance.