Wang Danqing, Wang Weijia, Knudson Michael P, Schatz George C, Odom Teri W
Chem Rev. 2018 Mar 28;118(6):2865-2881. doi: 10.1021/acs.chemrev.7b00424. Epub 2017 Oct 17.
This review focuses on structural engineering of lasers from the macroscale to the nanoscale, with an emphasis on plasmon nanolasers. Conventional lasers based on Fabry-Pérot cavities are limited in device size. In contrast, plasmon nanolasers can overcome the diffraction limit of light and incorporate unique structural designs to engineer cavity geometries and optical band structure. Since the spaser concept was introduced in 2003, tremendous progress in nanolasing has been made on architectures that exploit metal films and nanoparticles. Theoretical approaches in both frequency and time domains have inspired the development of plasmon nanolasers based on mode analysis and time-dependent lasing buildup. Plasmon nanolasers designed by band-structure engineering open prospects for manipulation of lasing characteristics such as directional emission, real-time tunable wavelengths, and controlled multimode lasing.
本综述聚焦于从宏观尺度到纳米尺度的激光结构工程，重点是等离子体纳米激光器。基于法布里-珀罗腔的传统激光器在器件尺寸上受到限制。相比之下，等离子体纳米激光器可以克服光的衍射极限，并采用独特的结构设计来构建腔几何形状和光学能带结构。自2003年引入受激放大自发辐射（spaser）概念以来，在利用金属薄膜和纳米颗粒的架构上，纳米激光技术取得了巨大进展。频域和时域的理论方法推动了基于模式分析和时间相关激光建立的等离子体纳米激光器的发展。通过能带结构工程设计的等离子体纳米激光器为操控激光特性（如定向发射、实时可调波长和可控多模激光）开辟了前景。
