Next-generation data centers within reach thanks to new energy-efficient switches

https://phys.org/news/2022-07-next-generation-centers-energy-efficient.html

"light controlled using phase-change material and graphene heater... switches can be used for optical routing information through network of devices, establishing their use in data centers. They are also interested in applying this technology to silicon nitride for routing single photons for quantum computing... tune optical properties of a material with just an atomically thin heater... energy efficiency and reliability unheard of... advance both information technology and quantum computing"

Related: Breakthrough in computer chip energy efficiency could cut data center electricity use

https://today.oregonstate.edu/news/breakthrough-computer-chip-energy-efficiency-could-cut-data-center-electricity-use