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Proceedings Paper

Waveguide beam splitters 1x2 with arbitrary power-splitting ratio at the output made by Ag+-Na+ ion exchanged MMI structures
Author(s): Marek Blahut
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Paper Abstract

In the paper, a new concept of the 1×2 waveguide beam splitter has been presented, on the basis of gradient multimode interference structures made by Ag+-Na+ ion exchange in glass with an arbitrary power splitting ratio at the output. The beam splitter, working in Mach-Zehnder configuration, consists of two asymmetrical MMI sections operating as 3dB couplers joined by monomode waveguides of different width. The operating characteristics of the 1×2 beam splitters have been determined for different geometry configurations of waveguides joining the MMI section. Self-imaging phenomena in MMI make possible to use in one of interferometer arm the multimode waveguide.

Paper Details

Date Published: 14 April 2003
PDF: 5 pages
Proc. SPIE 5028, Optical Fibers and Their Applications VIII, (14 April 2003); doi: 10.1117/12.497626
Show Author Affiliations
Marek Blahut, Silesian Technical Univ. (Poland)

Published in SPIE Proceedings Vol. 5028:
Optical Fibers and Their Applications VIII
Jan Dorosz; Ryszard S. Romaniuk, Editor(s)

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