Athermal Hybrid Silicon/Polymer Ring Resonator Electro-optic Modulator

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• 作者：Feng Qiu ; Andrew M. Spring ; Hiroki Miura ; Daisuke Maeda ; Masa-aki Ozawa ; Keisuke Odoi ; Shiyoshi Yokoyama
• 刊名：ACS Photonics
• 出版年：2016
• 出版时间：May 18, 2016
• 年：2016
• 卷：3
• 期：5
• 页码：780-783
• 全文大小：474K
• 年卷期：0
• ISSN：2330-4022

文摘

In this work, we have demonstrated a hybrid silicon/polymer ring resonator electro-optic (EO) modulator with a temperature-independent modulation. The waveguide consisted of an ultrathin silicon core with an EO polymer cladding. Using ultrathin silicon is advantageous, as it allows a reduction in the side-wall scattering loss and also offers excellent light distribution to enable athermal operation. With a radius of 60 μm, the ring exhibited a 9.7 dB extinction depth and a Q value of 1.25 × 10⁴. After poling of the EO polymer, the ring resonator functioned well as an EO modulator and operated in a stable manner between 25 and 55 °C.