Cooling Chips With Light
A new approach to cooling chips involves targeting the exact spot inside the chip where heat is generated, converting it into light and increasing performance.
In modern chips, not all transistors are actively used due to the creation of hot spots, which are high temperatures concentrated in tiny areas, reducing overall performance and increasing energy use. This limitation is known as dark silicon.
Traditional cooling methods remove heat from the chip's surface, rather than directly from the inside, limiting the amount of computing power that can be used at once.
A research approach called photonic cooling turns heat directly into light, based on the phenomenon of anti-Stokes fluorescence, where certain materials absorb low-energy laser light and emit higher-energy light.
Converting heat into light increases performance.
Author's summary: Cooling chips with light increases performance.
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