摘要
Using intrinsic Josephson junctions in Ba<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+x</sub> single crystal, harmonic frequency mixing at 8 and 3 mm wavebands was successfully demonstrated at liquid nitrogen temperatures with harmonic numbers up to 68 and 50 respectively. The dependences of intermediate frequency output on the local oscillator power and dc bias were carefully studied.
Using intrinsic Josephson junctions in Ba2Sr2CaCu2O8+x single crystal, harmonic frequency mixing at 8 and 3 mm wavebands was successfully demonstrated at liquid nitrogen temperatures with harmonic numbers up to 68 and 50 respectively. The dependences of intermediate frequency output on the local oscillator power and dc bias were carefully studied.
作者
XU Weiwei, ZHOU Gandong, SHAN Wenlei, YOU Lixing, YANG Senzu, Jl Zhengming, FENG Yijun, CHENG Qiheng and WU PeihengDepartment of Electronic Science and Engineering , Nanjing University , Nanjing 210093 , China