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Proceedings Paper

Synchronization solutions for parallel short-range optical interconnects in mesochronous systems
Author(s): Harald Devos; Joni Dambre; Wim Meeus; Dirk Stroobandt; Jan M. Van Campenhout
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Paper Abstract

As a result of the increasing complexity of electronic chips, the bandwidths required for inter- and intra-chip communication are rapidly increasing. As optoelectronics provides high-bandwidth and high-density interconnection it is considered as a candidate for short-range interconnection. For such interconnections, situated at a low level in the systems hierarchy, the interconnect latency is extremely critical for the systems performance. This paper describes some methods for mesochronous synchronization, needed for such interconnections. It will be shown that it can be beneficial to use an additional optical link to transfer a synchronization signal. Such a reference signal can be used efficiently for phase detection, provided that the data skew is sufficiently small, and result in a decrease of the cost-per-link.

Paper Details

Date Published: 15 April 2003
PDF: 11 pages
Proc. SPIE 4942, VCSELs and Optical Interconnects, (15 April 2003); doi: 10.1117/12.471954
Show Author Affiliations
Harald Devos, Univ. Gent (Belgium)
Joni Dambre, Univ. Gent (Belgium)
Wim Meeus, Univ. Gent (Belgium)
Dirk Stroobandt, Univ. Gent (Belgium)
Jan M. Van Campenhout, Univ. Gent (Belgium)

Published in SPIE Proceedings Vol. 4942:
VCSELs and Optical Interconnects
Hugo Thienpont; Jan Danckaert, Editor(s)

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