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Photonic LSI--Merging the Optical Technology into LSI--
IEICE TRANSACTIONS on Electronics
Publication Date: 1993/01/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Opto-Electronics and LSI)
Category: Key Paper
optical computation, OEIC, optical interconnect, optical integration,
Full Text: PDF(737.7KB)>>
The future trends of optical technologies combined with LSI are reviewed. Present problems of LSI, and the possible solutions to these problems through the merger of the optical technology into LSI are discussed. One of the present trends in interconnection between LSI components is the timeserial approach, originally developed for the optical communication. This method is capable of high speed data transfer. The other is a space-parallel approach, arising from the two-dimensional nature of the light propagation. This approach has the capability of performing parallel processing. A hybrid OEIC, possibly on GaAs, is discussed as an example of future photonic LSI. The lack of key devices is a fundamental barrier to the future improvement of photonic LSI. Direct interaction between photons and electrons is a promissing approach. Some of the Author's ideas to promote the merger of photonics and LSI are proposed.