光电导性
太赫兹辐射
超短脉冲
光电子学
吸收(声学)
材料科学
激光器
探测器
光子
光学
光子学
双光子吸收
光电探测器
砷化镓
物理
作者
Hyunseung Jung,Lucy L. Hale,Jayson Briscoe,Raktim Sarma,Ting S. Luk,Sadhvikas Addamane,J. L. Reno,Igal Brener,Oleg Mitrofanov
标识
DOI:10.1364/cleo_si.2023.sth4m.6
摘要
We demonstrate the use of low-temperature grown GaAs (LT-GaAs) metasurface as an ultrafast photoconductive switching element gated with 1550 nm laser pulses. The metasurface is designed to enhance a weak two-step photon absorption at 1550 nm, enabling THz pulse detection.
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