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  • High power broad area quantum cascade lasers
    [作者:Bai, Y; Slivken, S; Darvish, SR; Haddadi, A; Gokden, B; Razeghi, M,期刊:Applied Physics Letters, 页码:221104-221104 , 文章类型: Article,,卷期:2009年95-22]
  • Broad area quantum cascade lasers (QCLs) are studied with ridge widths up to 400 mu m, in room temperature pulsed mode operation at an emission wavelength around 4.45 mu m. The peak output power scales linearly with the ...
  • Emission of terahertz radiations from fractal antennas
    [作者:Miyamaru, F; Saito, Y; Takeda, MW; Liu, L; Hou, B; Wen, W; Sheng, P,期刊:Applied Physics Letters, 页码:221111-221111 , 文章类型: Article,,卷期:2009年95-22]
  • We investigate the emission of terahertz radiation from a photoconductive fractal antenna fabricated on a semi-insulating gallium arsenide substrate. Owing to the self-similarity of fractal structures, our fractal antenn...