Efficient silicon and side-cladding waveguide modulator with electro-optic polymer

Jiawei Mao, Hiromu Sato, Alisa Bannaron, Jianxun Hong, Guo Wei Lu, Shiyoshi Yokoyama

研究成果: ジャーナルへの寄稿学術誌査読

抄録

Efficient electro-optic (EO) modulation can be generated in the hybrid silicon modulator with EO polymer in the form of an in-plane coplanar waveguide and electrode structure. Strong confinement of the optical field in the hybrid structure is critical to performing efficient electric poling and modulation of the EO polymer. The waveguide consists of silica-based side claddings and an EO core for increasing the integral of the optical field and the overlap interaction between the optical field and the modulated electric field within the EO polymer. We discuss in detail the volume resistivity dependence of the efficiency of electric poling and modulation for various side-cladding materials. In a Mach-Zehnder interferometer modulator, the measured half-wave-voltage length product (VπL) is 1.9 V·cm at an optical communication wavelength of 1,550 nm under the TE optical mode operation. The high-speed signaling of the device is demonstrated by generating on-off-keying transmission at signal rates up to 52 Gbit/s with a Q factor of 6.1 at a drive voltage of 2.0

本文言語英語
ページ(範囲)1885-1895
ページ数11
ジャーナルOptics Express
30
2
DOI
出版ステータス出版済み - 1月 17 2022

!!!All Science Journal Classification (ASJC) codes

  • 原子分子物理学および光学

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