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单光子层面实现光束精准控制
Ke Ji Ri Bao· 2025-11-26 22:53
Core Insights - The research team from Purdue University has achieved precise control of light beams at the single-photon level, leading to the development of a "photon transistor" that operates at single-photon intensity, marking a significant step towards realizing the full potential of photonic technology [1][2]. Group 1: Technological Breakthrough - The photon transistor can operate stably at room temperature, unlike other quantum system-dependent solutions that require extremely low temperatures [2]. - It is compatible with existing complementary metal-oxide-semiconductor (CMOS) processes, allowing for seamless integration into current chip manufacturing workflows, laying the groundwork for future photonic chips [2]. - The operational speed of the photon transistor can reach gigahertz levels, with potential enhancements to several hundred gigahertz, significantly surpassing existing methods [2]. Group 2: Implications for Computing - This technology is expected to drive advancements in quantum computing and could revolutionize classical computing by enabling the construction of ultra-fast, low-power photonic computers [2]. - It has the potential to replace slower, more power-consuming electronic devices in data centers and optical communication systems [2][3]. - The ability to control single photons could lead to breakthroughs in quantum computing, overcoming existing bottlenecks and reshaping data center architectures for a new era of light-speed computing [3].