Improving the Out-Coupling of a Metal-Metal Terahertz Frequency Quantum Cascade Laser Through Integration of a Hybrid Mode Section into the Waveguide

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Fobbe, T; Nong, H; Schott, R; Pal, S; Markmann, S; Hekmat, N; Zhu, J; Han, Y; Li, L; Dean, P; Linfield, EH; Davies, AG; Wieck, AD; Jukam, N;
  • Publisher: Springer Verlag
  • Subject:
    arxiv: Physics::Optics

A hybrid mode section is integrated into the end of the metal-metal waveguide of a terahertz (THz) frequency quantum cascade laser (QCL) by removing sub-wavelength portions of the top metal layer. This allows a hybrid mode to penetrate into the air, which reduces the ef... View more
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