期刊
APPLIED PHYSICS LETTERS
卷 76, 期 16, 页码 2164-2166出版社
AMER INST PHYSICS
DOI: 10.1063/1.126183
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Surface-plasmon modes confined at the interface between a metal and a semiconductor are exploited in place of conventional dielectric waveguides for the realization of a lambda similar to 17 mu m semiconductor laser. The device is based on the quantum cascade concept and outperforms with its 38 mW of peak output power and 240 K of maximum operating temperature any previous semiconductor laser of comparable wavelength. Pure single-wavelength emission with a tuning rate of similar to 1 nm/K is achieved using Bragg reflection from a two-metal grating that modulates the skin depth of the surface plasmons. (C) 2000 American Institute of Physics. [S0003-6951(00)02316-0].
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