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Proceedings Paper

Multimode fibered photodetectors for high-power high-speed applications beyond 10 Gb/s
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Paper Abstract

We report the development of top illuminated InGaAs photodetectors pigtailed to 50 &mgr;m core multimode (MM) fibers. These PIN diodes, in conjunction with low dispersion graded index MM fibers, allow for low cost and rugged solutions for high speed digital and analog applications. Our PIN diodes have previously demonstrated high optical power handling capability at large signal bandwidths. Coupled with large collection efficiency of MM fibers, these devices are suitable for a diverse range of systems, including avionics, ultra-fast Ethernet, radio over fiber, optical backplanes and free space laser links. The effect of the MM fiber's transfer function and fiber misalignment on the photodetector response is addressed. The spatial and temporal filtering effects of the MM fiber and the photodiode are explored experimentally through a 40 Gb/s link. Enhancement in photodiode linearity due to MM fiber is also reported.

Paper Details

Date Published: 16 May 2007
PDF: 10 pages
Proc. SPIE 6572, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III, 65720E (16 May 2007); doi: 10.1117/12.718435
Show Author Affiliations
Roy Howard, Discovery Semiconductors, Inc. (United States)
Xinde Wang, Discovery Semiconductors, Inc. (United States)
Abhay Joshi, Discovery Semiconductors, Inc. (United States)
Don Becker, Discovery Semiconductors, Inc. (United States)
Shubhashish Datta, Discovery Semiconductors, Inc. (United States)
Christoph Wree, Discovery Semiconductors, Inc. (United States)

Published in SPIE Proceedings Vol. 6572:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications III
Michael J. Hayduk; Andrew R. Pirich; Peter J. Delfyett; Eric J. Donkor; John P. Barrios; Rebecca J. Bussjager; Michael L. Fanto; Robert L. Kaminski; Guifang Li; Hooman Mohseni; Edward W. Taylor, Editor(s)

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