NDLI: Constrained eigenfilter allpass design for photonic systems

Content Provider	IEEE Xplore Digital Library
Author	Yujia Wang Grieco, A. Slutsky, B. Truong Nguyen
Copyright Year	2012
Description	Author affiliation: University of California, San Diego Department of Electrical and Computer Engineering (Yujia Wang; Grieco, A.; Slutsky, B.; Truong Nguyen)
Abstract	We present a least squares based allpass filter design with a prescribed maximum pole magnitude constraint suitable for photonic systems. The constraint comes from the physical limitations of realizing digital filters using photonic components, and must be addressed in the designing phase. We develop our design algorithm following the eigenfilter approach for allpass filters. The constraint is formulated using the Argument Principle and modified to match the eigenfilter objective function. An iterative approach is then employed to obtain the filter coefficients that best satisfy both the objective function and the constraint. Our algorithm will be ideal for yielding allpass filters suitable for narrowband designs that are common to the optical domain. Examples relevant to filtering in the optical frequency range are subsequently demonstrated. Physical origins of the pole magnitude constraints are also briefly explained.
Starting Page	2168
Ending Page	2172
File Size	723224
Page Count	5
File Format	PDF
ISBN	9781467310680
ISSN	20761465
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-27
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Algorithm design and analysis Constrained filter design Photonic filter design Optical device fabrication Narrowband filter Allpass filter Mirrors Optical signal processing Eigenfilter Optical waveguides Photonics Narrowband
Content Type	Text
Resource Type	Article

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