Offrein, Bert Jan (IBM Research GmbH, Säumerstrasse 4, 8803 Rüschlikon, Switzerland)
Pepeljugoski, Petar (IBM Research Division, P.O. Box 218, Yorktown Heights, NY 10598 USA)
Intra-system interconnects bandwidth becomes a critical factor in performance scaling of supercomputers and server systems. The requirements, status and prospects of optical technology for the board and chip level will be reviewed.