The optical RAMs will provide several benefits

If successful, the optical RAMs will provide several benefits, RAMPLAS participants believe:memory access times 30X less than state-of-the-art SRAM cache and three orders of magnitude lower than DRAM modules ;reduction of energy consumption to levels around 15 mW/Gbps ;confirm the viability of wavelengths as a means to interconnect cache units and different memory hierarchical layers.

The group hopes to enable fabrication of a 64-bit optical RAM bank as well as demonstrate optical RAM for content addressable memory (CAM), all-optical 4x4 routing, and 27-1 optical Pseudo-Random Bit Sequence (PRBS) generation, all at 100 Gbps.

December 15, 2011

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