Politecnico di Milano and CNR Develop Ultrafast Light-Controlled Computing Using Valleytronics
Researchers from Politecnico di Milano and CNR have demonstrated light-driven ultrafast computing using tungsten disulfide. The study, published in Nature Photonics, shows femtosecond light pulses can control quantum states, achieving speeds over 10 terahertz, significantly surpassing traditional electronic devices. The research highlights valleytronics for encoding information, enabling rapid logical operations at room temperature. This approach may revolutionize computing by merging photonics with quantum technology, paving the way for advanced optoelectronic devices.
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Researchers from Politecnico di Milano and CNR have introduced a novel method for ultrafast computing that utilizes femtosecond light pulses to control quantum states in tungsten disulfide (WS₂). This technique achieves manipulation speeds exceeding 10 terahertz, far surpassing conventional electronics.
The study emphasizes valleytronics, where quantum information is encoded in distinct energy states of electrons. Experiments demonstrated fundamental logical operations at room temperature, showcasing potential scalability and practical applications. The findings highlight the need to address challenges in scaling laser pulse complexity and integrating quantum bits, while also suggesting pathways towards advanced quantum computing.
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