Recent advances in single-mode 1 x n splitters using high-silica optical waveguide circuit technology

Kevin M. Schmidt; Shin S. Sumida; Tadashi M. Miyashita

doi:10.1117/12.47741

1 March 1991 Recent advances in single-mode 1 x n splitters using high-silica optical waveguide circuit technology

Kevin M. Schmidt, Shin S. Sumida, Tadashi M. Miyashita

Proceedings Volume 1396, Applications of Optical Engineering: Proceedings of OE/Midwest '90; (1991) https://doi.org/10.1117/12.47741
Event: Applications of Optical Engineering: Proceedings of OE/Midwest '90, 1990, Rosemont, IL, United States

Abstract

Single mode optical fiber systems are very attractive to the telecommunications industry because of low loss immunity to RF interference and high bandwidth. At present however commercially-available components are expensive bulky and have inconsistent performance. This paper describes a class of small size low-cost highperformance single mode 1 x n splitters optimally designed for the telecommunications industry. The high-silica 1 x n splitters are fabricated on a silicon wafer using a combination of flame hydrolysis deposition photolithography and reactive ion etching processes. This processing lends itself well to batch processing and is well controlled allowing for a high yield. We fabricated several types of single mode y-branch based 1 x n splitters using the above technology. By cascading simple 1 x 2 y-branch splitters 1 x 4 1 x 8 and 1 x 16 circuits were fabricated. For an unpackaged 1 x 8 splitter average insertion losses of 10. 0 dB including the y-branch splitting loss were obtained with a uniformity of 0. 3 dB. For a packaged pigtailed 1 x 8 splitter average insertion losses of 10. 4 dB with a uniformity of 0. 3 dB were obtained. 1.

Citation Download Citation

Kevin M. Schmidt, Shin S. Sumida, and Tadashi M. Miyashita "Recent advances in single-mode 1 x n splitters using high-silica optical waveguide circuit technology", Proc. SPIE 1396, Applications of Optical Engineering: Proceedings of OE/Midwest '90, (1 March 1991); https://doi.org/10.1117/12.47741

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