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17 April 2020 A multi-stage high resolution sub-wavelength arrayed waveguide grating
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Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114555D (2020) https://doi.org/10.1117/12.2565060
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China
Abstract
The proposal of multi-stage interlaced structure provided a new idea for the design of multi-channel sub-wavelength arrayed waveguide grating (AW G) with high resolution. An optimal design method for two -stage interlaced AW Gs is described and verified with a 135-channel interleaved AW Gs comprised of a 5-channel primary AW G with 0.5nm of resolution and five 27-channel second-stage AWGs each with 2.5nm of resolution with sub-wavelength waveguide. The bandwidth of the whole system is 65nm centered at 1950nm. Compared with conventional multi-channelschemes, it not only greatly reduces the process requirements and provides greater tolerance, but also simplifies the process of layout design. The AWGs demonstrated is proved be suitable for the development of 2μm optical communication.
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaotao Zhu, Wei Hong, Ningfeng Bai, and Xiaohan Sun "A multi-stage high resolution sub-wavelength arrayed waveguide grating", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114555D (17 April 2020); https://doi.org/10.1117/12.2565060
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Cited by 3 scholarly publications.
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