We directly measured the optical gain, refractive index change, and the linewidth enhancement factor of a type-II quantum-cascade laser. We obtained very low linewidth enhancement factor of 0.83 near threshold.
Linewidth enhancement factor of a type-II quantum-cascade laser
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 1 ; 3 pp. vol.1
2004-01-01
172955 byte
Conference paper
Electronic Resource
English
Linewidth enhancement factor of quantumdot lasers
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