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Analysis of the Chirped Super Moiré Gratings Based on Acousto-Optical Superlattices

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Abstract

There are multiple passbands in a chirped Bragg grating based on acousto-optic superlattice. The structure can be regarded as an acousto-induced super Moiré grating (AI-SMG). The analysis shows that the passbands of the AI-SMG are produced by several pairs of neighboring chirped gratings. With suitable structure parameters selected, the passbands can be non-larenzian-shape, narrow flat-top, with ripple less than 0.5dB and steep slope. The devices can be used as tunable narrow-band multichannel transmission filters. This analysis is useful for the designs and applications of the devices.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, 100084, Beijing, People's Republic of China

    Xiang-fei Chen, Sai Hu & Yi Luo

Authors
  1. Xiang-fei Chen
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  2. Sai Hu
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  3. Yi Luo
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Chen, Xf., Hu, S. & Luo, Y. Analysis of the Chirped Super Moiré Gratings Based on Acousto-Optical Superlattices. International Journal of Infrared and Millimeter Waves 21, 939–944 (2000). https://doi.org/10.1023/A:1026401802680

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  • DOI: https://doi.org/10.1023/A:1026401802680

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