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Enhancing stimulated Brillouin scattering in the waveguide grating

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Abstract

We obtain the enhanced stimulated Brillouin scattering (SBS) by adding the optimized Bragg grating to an As2S3 chalcogenide half suspended-core rectangle waveguide. The half suspended-core waveguide grating is characterized by the period of 344.67 nm and the refractive index modulation depth of 0.000 1. Through simulation experiments, the obtained Brillouin gain is 58.5 dB and the 3 dB bandwidth can reduce to 7.8 MHz. The half suspended-core waveguide structure can decrease the size of the chip while the periodic structure can enhance the slow light effect, so we have improved the integration of the waveguide and enhanced SBS by combining these two advantages.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China

    Minghai Wang & Wei Dong

  2. Big Data and Network Management Center, Jilin University, Changchun, 130012, China

    Minghai Wang

  3. Changchun Automotive Test Center Co., Ltd., Changchun, 130012, China

    Fengtao Cui & Yang Yang

Authors
  1. Minghai Wang
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  2. Fengtao Cui
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  3. Yang Yang
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  4. Wei Dong
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Corresponding author

Correspondence to Wei Dong.

Additional information

This work has been supported by the National Natural Science Foundation of China (No.61875070), the Science and Technology Development Plan of Jilin Province (No.20180201032GX), and the Science and Technology Project of Education Department of Jilin Province (No.JJKH20190110KJ).

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The authors declare that there are no conflicts of interest related to this article.

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Wang, M., Cui, F., Yang, Y. et al. Enhancing stimulated Brillouin scattering in the waveguide grating. Optoelectron. Lett. 18, 143–147 (2022). https://doi.org/10.1007/s11801-022-1154-2

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  • DOI: https://doi.org/10.1007/s11801-022-1154-2

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