[14a-PB3-1~8] 4 JSAP-OSA Joint Symposia 2015

▲ [14a-PB3-6] Study on loss reduction toward 100GHz channel spacing Si wire waveguide AWG

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:Si,arrayed waveguide grating,optical waveguide

The Si wire waveguide 8ch AWG with 130 GHz channel spacing showing 3 dB insertion loss and 20 dB extinction ratio is reported. Insertion loss reduction schemes at the slab to arrayed waveguide interface are also discussed.