NDLI: Optical phase difference measurement and correction using AlGaAs integrated guided-wave components

Content Provider	IEEE Xplore Digital Library
Author	Lau, S.D. Donnelly, J.P. Wang, C.A. Goodman, R.B. Rediker, R.H.
Copyright Year	1989
Abstract	A Y-junction interferometer phase measurement technique that is independent of the power or power ratio in the input arms has been developed. The technique is intended for use in the basic module of a proposed integrated optical system for use at GaAs wavelengths that produces a flat-phase output wavefront. A proof-of-concept AlGaAs guided-wave Mach-Zehnder interferometer was used to demonstrate measurement and correction of a phase difference between the arms using this phase measurement technique. Results have been obtained for the cases of successive steps in the phase difference between the interferometer arms, of random phase differences, and of a power imbalance of up to 30% between the arms.<>
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	902
Ending Page	904
Page Count	3
File Size	333748
File Format	PDF
ISSN	10411135
Volume Number	3
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated optics Optical devices Phase measurement Optical interferometry Arm Optical distortion Adaptive optics Optical surface waves Optical arrays Optical waveguides
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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