More is Less, Less is More
Abstract
Molecular-scale Network-on-Chip (mNoC) crossbars use quantum dot LEDs as an on-chip light source, and chromophores to provide optical signal filtering for receivers. An mNoC reduces power consumption or enables scaling to larger crossbars for a reduced energy budget compared to current nanophotonic NoC crossbars. Since communication latency is reduced by using a high-radix crossbar, minimizing power consumption becomes a primary design target. Conventional Single Writer Multiple Reader (SWMR) photonic crossbar designs broadcast all packets, and incur the commensurate required power, even if only two nodes are communicating.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Mar 14, 2015
- Source ID
- 10.1145/2786763.2694377
Entities
People
- Alvin R. Lebeck
- Chris Dwyer
- Jun Pang
Organizations
- Defense Advanced Research Projects Agency
- Duke University
- National Science Foundation