Subwavelength Grating Metamaterial Racetrack Resonator for Sensing and Modulation

被引：23

作者：

Xu, Xiaochuan ^{[1
,2
]}

Pan, Zeyu ^{[1
]}

Chung, Chi-Jui ^{[1
]}

Chang, Ching-Wen ^{[1
,3
,4
]}

Yan, Hai ^{[1
]}

Chen, Ray T. ^{[1
]}

机构：

[1] Univ Texas Austin, Microelect Res Ctr, Dept Elect & Comp Engn, Austin, TX 78758 USA

[2] Omega Opt Inc, Austin, TX 78757 USA

[3] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan

[4] Natl Sun Yat Sen Univ, Ctr Nanosci & Nanotechnol, Kaohsiung 80424, Taiwan

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2019年 / 25卷 / 03期

关键词：

Silicon photonics; modulator; silicon-organic hybrid integration; metamaterial; subwavelength grating; sensor; ORGANIC HYBRID SOH; SLOT WAVE-GUIDE; RING-RESONATOR; HIGH-SPEED; SILICON; COUPLERS; DESIGN; FILTERS;

D O I：

10.1109/JSTQE.2019.2915980

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Subwavelength grating metamaterial racetrack ring resonator (SGMRTR) increases the coupling strength between the bus waveguide and the ring resonator and thus better extinction ratio can be achieved. In this paper, we summarized our recent work on SGMRTRs. We show that with the improved extinction ratio, the intrinsic detection limit of refractive index sensors can be pushed closer to the theoretical limit. We have also demonstrated the first high-speed optical modulator based on electro-optic polymer infiltrated subwavelength grating metamaterial waveguide ring resonator with measured 3-dB bandwidth of 41.4 GHz. The power consumption for digital communication is estimated to be 2.55 fJ/bit.

引用

页数：8

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