標題: Quantitative Analysis of a Flat-Top Planar Waveguide Demultiplexer
作者: Lin, Chun-Ting
Huang, Yang-Tung
Huang, Jung-Yaw
生物科技學系
電子工程學系及電子研究所
光電工程學系
Department of Biological Science and Technology
Department of Electronics Engineering and Institute of Electronics
Department of Photonics
關鍵字: Concave grating;flat-top;planar waveguide;three-focal-point method;wavelength-division multiplexing
公開日期: 1-Mar-2009
摘要: A three-focal-point method is used for the design of a flat-top planar waveguide concave grating. With the Gaussian approximation a modified formula is proposed and is compared with the numerical model of the scalar diffraction theory by using a design example. The sources of loss caused by the flat-top design and the grating are taken into consideration. The optimal separation between the two outmost focal points is obtained and the spectral response of the demultiplexer with a ripple below 0.04 dB is achieved.
URI: http://dx.doi.org/10.1109/JLT.2008.2004932
http://hdl.handle.net/11536/7559
ISSN: 0733-8724
DOI: 10.1109/JLT.2008.2004932
期刊: JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume: 27
Issue: 5-8
起始頁: 552
結束頁: 558
Appears in Collections:Articles


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