Building passive components with silica waveguides

Jacob C.K. Sun; Kevin M. Schmidt

doi:10.1117/12.370176

12 November 1999 Building passive components with silica waveguides

Jacob C.K. Sun, Kevin M. Schmidt

Proceedings Volume 3795, Terahertz and Gigahertz Photonics; (1999) https://doi.org/10.1117/12.370176
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Low cost and reliable passive components are essential to further span the use of fiber optics and realize the all- optical communication networks. Silica waveguide technology has played an important role in the development of passive components. Devices of 1 X N, 2 X N splitters, and 1.3/1.55 WDMs have been mass-produced for practical applications. Recently, large volumes of array waveguide gratings have also been produced for dense WDM applications. The optical fiber preform manufacturing process, flame hydrolysis deposition is adapted to deposit low loss silica glass on planar substrates (silicon, quartz or alumina ceramics). Photolithography and reactive ion etching is then applied to pattern various types of integrated waveguide circuits. Testing, fiber-connecting, and device packaging follow the circuit fabrication to produce the fiber- pigtailed modules. The technology provides a versatile means of building passive components. In this paper, the manufacturing processes are reviewed and the functions and performance of various circuits are discussed with an emphasis on the current status of the array waveguide gratings.

Citation Download Citation

Jacob C.K. Sun and Kevin M. Schmidt "Building passive components with silica waveguides", Proc. SPIE 3795, Terahertz and Gigahertz Photonics, (12 November 1999); https://doi.org/10.1117/12.370176

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