IBM propose a different CPU core interconnect medium -- Light
"IBM develop new miniature Optronic Modulators"
Published: 6th December 2007 | Source: C-Net |
IBM has come up with a technology that could one day let different cores on a processor exchange signals with pulses of light, rather than electrons, a change that could lead to faster and far more energy efficient chips.
The device, known as a silicon Mach-Zehnder electro-optic modulator--converts electrical signals into pulses of light. The trick is that IBM's modulator is 100 or more times smaller than other small modulators produced by other labs. Eventually, IBM hopes the modulator could be integrated into chips.
The device, known as a silicon Mach-Zehnder electro-optic modulator--converts electrical signals into pulses of light. The trick is that IBM's modulator is 100 or more times smaller than other small modulators produced by other labs. Eventually, IBM hopes the modulator could be integrated into chips.
This miniturisation of optronic 'transistors'/electro-optic modulator will allow higher speed data connectivity + less heat generation than silicon circuity and may produce very high speed buses with less power comsumption than current offerings.
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