On-Chip Optical Waveguide Visible-Light Power Detector Based on Photothermal Effect of PPy/SU-8 Photopolymer

被引：0
作者：
Lin, Hang [1 ]
Sun, Xiangyi [1 ]
Song, Yaping [1 ]
Wang, Chunxue [1 ]
Yue, Jian [1 ]
Cui, Anqi [1 ]
Zhang, Daming [1 ]
Zhang, Tong [1 ]
Chen, Changming [1 ]
Fei, Teng [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
来源：
IEEE ELECTRON DEVICE LETTERS | 2023年 / 44卷 / 06期
关键词：
Optical waveguides; Detectors; Optical detectors; System-on-chip; Optical variables measurement; Optical films; Optical device fabrication; Photothermal effect; MMI waveguide device; on-chip light power detector; PPy/SU-8; photopolymer; POLYPYRROLE NANOPARTICLES; DYNAMICS;
D O I：
10.1109/LED.2023.3268709
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：
In this work, an all-optical on-chip polymer waveguide visible-light power detector is proposed based on photothermal effect of polypyrrole (PPy) nanoparticles. PPy/SU-8 waveguide material is prepared and the strong optical absorption of the photopolymer in the visible-light region is beneficial for efficient photothermal energy conversion. The photothermal characteristics of PPy/SU-8 are analyzed, and through selective absorption specificity of the PPy/SU-8 photopolymer in Vis-NIR region, the performances of the multimode interference (MMI) waveguide device by thermo-optic (TO) tuning are simulated. The pho- tothermal energy conversion coefficient of the PPy/SU-8 waveguide is obtained as 2.5 K/mW. The actual sensitivity of the on-chip light power detector is measured as 2.3 nm/mW. This technique could be used to achieve ultra-compact on-chip all-optical detectors in future.
引用
收藏
页码：963 / 966
页数：4
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