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Updated: May 7, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
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在液晶中可调节的纠光子对生成

Vitaliy Sultanov1,2, Aljaž Kavčič3,4, Emmanouil Kokkinakis5

  • 1Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany.

Nature
|June 12, 2024
PubMed
概括

研究人员在铁电液晶中展示了自发的参数向下转换,从而实现了可调节的量子光源. 这一突破为先进的光子量子技术提供了高效,可重新配置的纠光子生成.

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Carrier generation is the process by which electron-hole pairs (EHPs) are created within the semiconductor. In direct-bandgap semiconductors, such as gallium arsenide (GaAs), this occurs efficiently when energy absorption prompts valence electrons to leap into the conduction band, leaving behind holes.
This process is given by the generation rate G and is efficient due to the conservation of momentum between the valence band maximum and conduction band minimum.
Indirect generation involves an...
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