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Proceedings Paper

Design trade-offs for arrayed waveguide grating DWDM MUX/DEMUX
Author(s): Jane C. Lam; Liang Zhao
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Paper Abstract

Emerging optical networks to carry burgeoning Internet traffic require many more optical components, and different types of components, than the initial point-to-point systems. 80 channel systems are very complex and require hundreds of discrete optical devices, as opposed to initial 4 channel systems, which only needed 10-20 discrete optical components. One approach to reducing the cost per function of optical components is through integration of multiple functions in a single package. Fairly complex integrated optical circuits have already been developed in the form of Arrayed Waveguide Gratings (AWG) for Dense Wavelength Division Multiplexing. In this paper we give an introduction to integrated optical circuits in the form of Planar Lightwave Circuits. Next we discuss the design and manufacturing of AWG. Then we detail the design trade-offs necessary to achieve desired system performance. Special emphasis is given to the causes of insertion loss and cross- talk, and the role of process control in manufacturing is highlighted.

Paper Details

Date Published: 21 April 2000
PDF: 9 pages
Proc. SPIE 3949, WDM and Photonic Switching Devices for Network Applications, (21 April 2000); doi: 10.1117/12.382886
Show Author Affiliations
Jane C. Lam, Lightwave Microsystems (United States)
Liang Zhao, Lightwave Microsystems (United States)

Published in SPIE Proceedings Vol. 3949:
WDM and Photonic Switching Devices for Network Applications
Ray T. Chen; George F. Lipscomb, Editor(s)

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