Multimode planar power splitter

James A. Besley; John D. Love; Wendy Langer

doi:10.1117/12.251992

20 September 1996 Multimode planar power splitter

James A. Besley, John D. Love, Wendy Langer

Proceedings Volume 2893, Fiber Optic Components and Optical Communication; (1996) https://doi.org/10.1117/12.251992
Event: Photonics China '96, 1996, Beijing, China

Abstract

A novel design for multimode 1 X 2 and 1 X 4 splitters is proposed. These devices differ from conventional 1 X 2 and 1 X 4 multimode interference splitters, as they do not rely on the interference between the excited modes propagating in the multimode region. Instead, their functionality is based on the principle that in an asymmetric multi-pronged splitter, the power in each excited mode can be directed unambiguously into one of the single- mode output channels with minimal cross-talk between channels. The geometry and relative position of the single- mode input waveguide of the 1 X 2 and 1 X 4 splitters is optimized to split the input power as evenly as possible between the two and four output channels, respectively, and to minimize the excess loss of the device. A simple low- power single-mode tap, based on the same principle, is also investigated and its excess loss and wavelength dependence determined.

Citation Download Citation

James A. Besley, John D. Love, and Wendy Langer "Multimode planar power splitter", Proc. SPIE 2893, Fiber Optic Components and Optical Communication, (20 September 1996); https://doi.org/10.1117/12.251992

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