[16a-Z10-1~10] 3.15 Silicon photonics and integrated photonics

[16a-Z10-1] Si waveguide Bragg grating device using diffractive TE0/TE1 mode conversion and TM mode transfer between waveguides with different widths

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

Keywords:grating, silicon, optical waveguide

We report devices composed of Bragg grating converting input TE fundamental mode to the TE 1st order mode and a Bragg grating generating TM mode transfer between wide and narrow waveguides. The device can be used as wavelength band selecting polarization aligner or polarization insensitive filter.