Waveguide beam splitters 1x2 with arbitrary power-splitting ratio at the output made by Ag+-Na+ ion exchanged MMI structures

Marek Blahut

doi:10.1117/12.497626

14 April 2003 Waveguide beam splitters 1×2 with arbitrary power splitting ratio at the output made by Ag⁺-Na⁺ ion exchanged MMI structures

Marek Blahut

Author Affiliations +

Proceedings Volume 5028, Optical Fibers and Their Applications VIII; (2003) https://doi.org/10.1117/12.497626
Event: Optical Fibers and Their Applications VIII, 2002, Bialowieza, Poland

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.

Citation Download Citation

Marek Blahut "Waveguide beam splitters 1×2 with arbitrary power splitting ratio at the output made by Ag⁺-Na⁺ ion exchanged MMI structures", Proc. SPIE 5028, Optical Fibers and Their Applications VIII, (14 April 2003); https://doi.org/10.1117/12.497626

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