14 April 2003 Waveguide beam splitters 1×2 with arbitrary power splitting ratio at the output made by Ag+-Na+ ion exchanged MMI structures
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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.
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Marek Blahut, 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); doi: 10.1117/12.497626; https://doi.org/10.1117/12.497626
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