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Proceedings Paper

Optical-to-electrical transceiver for inter-MCM and inter-chip optical interconnects
Author(s): Paul L. Heremans; Gerhard Bickel; Maarten Kuijk; Roger A. Vounckx; Gustaaf Borghs
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Paper Abstract

We report on a novel structure for differential pairs of III-V optical thyristors, which functions as an optical-to- electrical converter for incoming digital optical pulses (rather than as an opto-optical converter). This novel detector has unique properties which makes it most suitable for short-distance optical interconnects. First, it is very sensitive: we show that it is sensitive to optical pulses of only 3 femtojoule at 830 nm. This allows for the use of less efficient cheap LEDs as light-emitters. Second, we demonstrate a bitrate of 155 Mbit/s, which is appealing for inter-MCM and inter-chip interconnects. Third, the transceiver is switched with a CMOS-compatible voltage (5 V) and the electrical output signals are of the order of 0.3 V, easy to detect with a small CMOS circuitry. Fourth, the detector is compact: presently, its area is 200 micron X 160 micron, and it can be scaled down to 50 micron X 50 micron. This allows for large parallelism, e.g. thousands of interconnections per chip.

Paper Details

Date Published: 30 September 1996
PDF: 9 pages
Proc. SPIE 2891, Integrated Optoelectronics, (30 September 1996); doi: 10.1117/12.253165
Show Author Affiliations
Paul L. Heremans, IMEC (Belgium)
Gerhard Bickel, IMEC (Belgium)
Maarten Kuijk, Vrije Univ. Brussel (Belgium)
Roger A. Vounckx, Vrije Univ. Brussel (Belgium)
Gustaaf Borghs, IMEC (Belgium)

Published in SPIE Proceedings Vol. 2891:
Integrated Optoelectronics
Ray T. Chen; Won-Tien Tsang; BingKun Zhou, Editor(s)

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