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Proceedings Paper

Building passive components with silica waveguides
Author(s): Jacob C.K. Sun; Kevin M. Schmidt
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Paper 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.

Paper Details

Date Published: 12 November 1999
PDF: 7 pages
Proc. SPIE 3795, Terahertz and Gigahertz Photonics, (12 November 1999); doi: 10.1117/12.370176
Show Author Affiliations
Jacob C.K. Sun, Photonic Integration Research, Inc. (United States)
Kevin M. Schmidt, Photonic Integration Research, Inc. (United States)


Published in SPIE Proceedings Vol. 3795:
Terahertz and Gigahertz Photonics
R. Jennifer Hwu; Ke Wu, Editor(s)

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