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  • 标题:InP-Based Polarization-Insensitive Planar Waveguide Concave Grating Demultiplexer with Flattened Spectral Response
  • 本地全文:下载
  • 作者:Kwon, Oh-Kee ; Lee, Chul-Wook ; Lee, Dong-Hun
  • 期刊名称:ETRI Journal
  • 印刷版ISSN:1225-6463
  • 电子版ISSN:2233-7326
  • 出版年度:2009
  • 卷号:31
  • 期号:2
  • 页码:228-230
  • 语种:English
  • 出版社:Electronics and Telecommunications Research Institute
  • 摘要:InP-based planar waveguide 48-channel concave grating demultiplexers with a channel spacing of 0.8 nm (100 GHz) are described and demonstrated. Polarization insensitivity and flattened spectral response are successfully achieved by the introduction of a polarization compensator and a two-focus grating, respectively. The fabricated device shows a polarization-dependent wavelength shift of less than 20 pm and a -3 dB spectral width of about 0.55 nm (68.75 GHz) over all channels.
  • 关键词:Planar waveguides;demultiplexer;concave grating;polarization;wavelength division multiplexing
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