Linearly tapered waveguides on SOI for optical interconnect waveguide-to-fiber coupling

Shyh-Lin Tsao; MingChun Chen; Hsin-Chun Huang

doi:10.1117/12.450438

13 December 2001 Linearly tapered waveguides on SOI for optical interconnect waveguide-to-fiber coupling

Shyh-Lin Tsao, MingChun Chen, Hsin-Chun Huang

Proceedings Volume 4455, Micro- and Nano-optics for Optical Interconnection and Information Processing; (2001) https://doi.org/10.1117/12.450438
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

For optical interconnecting waveguides to fiber array coupling, we study a linearly tapered silicon-on-insulator (SOI) waveguide with analyzing the input spot-sizes and the launching positions. In this paper, three cases of the linearly tapered waveguide are compared for indicating optimal light coupling by beam propagation simulations. The best spot size is 4 micrometers with input position (0,4) micrometers for 9 micrometers height Si guiding layer. We also simulate the transverse and longitudinal offset effect for coupling loss analysis between a fiber and the linearly tapered waveguide. The coupling losses can be minimized with properly choosing the longitudinal offset.

Citation Download Citation

Shyh-Lin Tsao, MingChun Chen, and Hsin-Chun Huang "Linearly tapered waveguides on SOI for optical interconnect waveguide-to-fiber coupling", Proc. SPIE 4455, Micro- and Nano-optics for Optical Interconnection and Information Processing, (13 December 2001); https://doi.org/10.1117/12.450438

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