| Compact 2×2 parabolic multimode interference thermo–optic switches based on fluorinated photopolymer |
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| 引用本文： | 王继厚,陈长鸣,胡珂玮,程儒,王春雪,衣云骥,孙小强,王菲,李智勇,张大明.Compact 2×2 parabolic multimode interference thermo–optic switches based on fluorinated photopolymer[J].中国物理 B,2019(4):216-223. |
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| 作者姓名： | 王继厚 陈长鸣 胡珂玮 程儒 王春雪 衣云骥 孙小强 王菲 李智勇 张大明 |
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| 作者单位： | State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineering Jilin University;State Key Laboratory of Integrated Optoelectronics Institute of Electronic Semiconductors Chinese Academy of Sciences |
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| 基金项目： | Project supported by the National Key Research and Development Program of China(Grant No.2016YFB0402502);the National Natural Science Foundation of China(Grant Nos.61575076,61475061,61605057,and 61675087);the Jilin Provincial Industrial Innovation Special Fund Project,China(Grant No.2016C019) |
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| 摘 要： | In this work, a dual-side parabolic structural(DSPS) multimode interference(MMI) thermo–optic(TO) waveguide switch is designed and fabricated by using novel low-loss fluorinated photopolymer materials. Comparing with the traditional dual-side linear structural(DSLS) MMI device, the effective length of the MMI coupling region proposed can be effectively reduced by 40%. The thermal stability of the waveguide material is analyzed, and the optical characteristics of the switching chip are simulated. The actual performances of the entire MMI switch are measured with an insertion loss of7 dB, switching power of 15 m W and an extinction ratio of 28 dB. In contrast to the traditional MMI optical switch, the new type of parabolic structural MMI TO waveguide switch exhibits lower power consumption and larger extinction ratio. The compact fluorinated polymer MMI TO switches are suitable well for realizing miniaturization, high-properties, and lower cost of photonic integrated circuits.
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| 关 键 词： | FLUORINATED PHOTOPOLYMER materials PARABOLIC structural MMI thermo–optic waveguide switches |
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