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Mesh waveguide optical star coupler

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4 Author(s)
Y. Kokubun ; Yokohama National University, Yokohama, Japan ; S. Suzuki ; Y. Iijima ; K. Iga

A new multimode optical star coupler with a mesh waveguide configuration is proposed to reduce the device length by stimulating light mixing in a short waveguide. A 4×4 optical star coupler has been fabricated and its branching variation of 2.8 dB is realised with the device length as short as 14.5 mm.

Published in:

Electronics Letters  (Volume:21 ,  Issue: 11 )