Fano-Doppler Laser Cooling of Hybrid Nanostructures

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• 作者：Alessandro Ridolfo ; Rosalba Saija ; Salvatore Savasta ; Philip H. Jones ; Maria Antonia Iatì ; Onofrio M. Maragò
• 刊名：ACS Nano
• 出版年：2011
• 出版时间：September 27, 2011
• 年：2011
• 卷：5
• 期：9
• 页码：7354-7361
• 全文大小：935K
• 年卷期：0
• ISSN：1936-086X

文摘

Laser cooling the center-of-mass motion of systems that exhibit Fano resonances is discussed. We find that cooling occurs for red or blue detuning of the laser frequency from resonance depending on the Fano factor associated with the resonance. The combination of the Doppler effect with the radiation cross-section quenching typical of quantum interference yields temperatures below the conventional Doppler limit. This scheme opens perspectives for controlling the motion of mesoscopic systems such as hybrid nanostructures at the quantum regime and the exploration of motional nonclassical states at the nanoscale.