NDLI: Butt-coupling efficiency of VCSELs into multimode fibers

Content Provider	IEEE Xplore Digital Library
Author	Heinrich, J. Zeeb, E. Ebeling, K.J.
Copyright Year	1989
Abstract	We report a detailed study on butt coupling efficiencies of vertical-cavity surface-emitting lasers (VCSELs) to standard graded index multimode silica fibers. Coupling efficiency strongly depends on active laser diameter as well as index guiding and transverse mode spectrum of the laser. For typical active laser diameters of 16-20-/spl mu/m coupling efficiencies of about 90% are obtained with weakly index guided proton-implanted vertical-cavity lasers (VCLs) whereas stronger index guided oxidized lasers show considerably lower coupling efficiencies between 75% and 55%, depending on driving currents.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	1555
Ending Page	1557
Page Count	3
File Size	112887
File Format	PDF
ISSN	10411135
Volume Number	9
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vertical cavity surface emitting lasers Fiber lasers Surface emitting lasers Laser modes Optical fiber devices Optical coupling Optical fibers Silicon compounds Waveguide lasers Optical surface waves
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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