[8a-PB2-1~11] 4 JSAP-OSA Joint Symposia 2017 (poster)

▲ [8a-PB2-4] Si waveguide AWG using local rib waveguide MMI coupler structure at slab-array interface

〇Hideaki Okayama^1,2, Yosuke Onawa^1,2, Daisuke Shimura^1,2, Hiroki Yaegashi^1,2, Hironori Sasaki^1,2 (1.OKI, 2.PETRA)

Keywords:silicon, wavelength filter, optical waveguide

The Si wire arrayed-waveguide 8ch AWG with 100 GHz channel spacing showing 2 dB insertion loss is reported using simple rib waveguide MMI coupler at the slab-array waveguide interface. The obtained loss is among the lowest observed for 100GHz spacing Si waveguide devices including echelle grating.