metal / metal-semiconductor interface / metal layer / phonon energy / longitudinal optical phonon energy / double metal wave guide quantum cascade laser / metal layers / tudinal optical phonon energy / energy difference / complicated processing / double metal waveguide / rare metal / /
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National Institute of Information and Communications Technology Vol.55 No.1 / /
3-1-2 GaSb Quantum Cascade Laser YASUDA Hiroaki A terahertz quantum cascade laser (THz-QCL) using a resonant longitudinal optical (LO) phonon depopulation scheme was successfully demonstrated from a GaSb/AlSb material sy