New Analytical Arrayed Waveguide Grating Model

An analytical model of star couplers in arrayed waveguide gratings (AWG) is derived. By retaining the real 1-D mode shapes, the model is able to calculate the star coupler response to fundamental modes, as well as higher order modes. This is desirable for modeling passband flattened AWGs. The model...

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Bibliographic Details
Published in:Journal of lightwave technology 2013-10, Vol.31 (20), p.3309-3314
Main Authors: Kleijn, Emil, Smit, Meint K., Leijtens, Xaveer J. M.
Format: Article
Language:English
Subjects:
Analytical models
Applied sciences
Approximation methods
Arrayed waveguide grating
Arrayed waveguide gratings
Arrays
Circuit properties
Couplers
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated circuit modeling
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Passband
Theoretical study. Circuits analysis and design
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Description
Summary:An analytical model of star couplers in arrayed waveguide gratings (AWG) is derived. By retaining the real 1-D mode shapes, the model is able to calculate the star coupler response to fundamental modes, as well as higher order modes. This is desirable for modeling passband flattened AWGs. The model can calculate the response of an AWG very fast, because no numerical root finding or integral calculation is involved. This allows it to be used in circuit level simulations.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2013.2281612