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Proceedings Paper

Linearly tapered waveguides on SOI for optical interconnect waveguide-to-fiber coupling
Author(s): Shyh-Lin Tsao; MingChun Chen; Hsin-Chun Huang
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Paper 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.

Paper Details

Date Published: 13 December 2001
PDF: 9 pages
Proc. SPIE 4455, Micro- and Nano-optics for Optical Interconnection and Information Processing, (13 December 2001); doi: 10.1117/12.450438
Show Author Affiliations
Shyh-Lin Tsao, Yuan Ze Univ. (Taiwan)
MingChun Chen, Yuan Ze Univ. (Taiwan)
Hsin-Chun Huang, Yuan Ze Univ. (Taiwan)


Published in SPIE Proceedings Vol. 4455:
Micro- and Nano-optics for Optical Interconnection and Information Processing
Mohammad R. Taghizadeh; Hugo Thienpont; Ghassan E. Jabbour, Editor(s)

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