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Proceedings Paper

High-Speed Led Transmitter For Optical-Fiber Short-Haul Telecommunications
Author(s): G. K. Chang; H. P. Leblanc; P. W. Shumate Jr.
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Paper Abstract

Advances in system architecture for wideband Integrated-Service-Digital-Network (ISDN) has resulted in large demand for low cost and reliable opto-electronics components for the upcoming high-bit-rate optical-fiber communication network. This paper presents recent progress in the design of a high-speed LED transmitter which can modulate LEDs at > 560Mb/s with an active bias circuit and high a.c. current drive (~200mA). It achieves excellent extinction ratio (~15 dB) and launches -22 dBm power into single-mode fiber. The LED device has the advantages over the lasers because of low cost, temperature stability and high reliability. It requires less-complicated driver circuit so the LEDs are ideal light sources in term of ease of maintenance for high volume applications like the subscriber loop and local area data link networks.

Paper Details

Date Published: 1 January 1987
PDF: 7 pages
Proc. SPIE 0715, Fiber Telecommunications and Computer Networks, (1 January 1987); doi: 10.1117/12.937397
Show Author Affiliations
G. K. Chang, Bell Communications Research (United States)
H. P. Leblanc, Bell Communications Research (United States)
P. W. Shumate Jr., Bell Communications Research (United States)

Published in SPIE Proceedings Vol. 0715:
Fiber Telecommunications and Computer Networks
John D. Chipman; Virginia A. Ormiston, Editor(s)

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