We have used an optical self-mixing technique to measure the linewidth enhancement factor of a terahertz quantum cascade laser. We find that contrary to previous predictions of a zero linewidth enhancement factor, it has a value of ~0.5.
Linewidth enhancement factor of a THz quantum cascade laser
Tredicucci A.;
2008
Abstract
We have used an optical self-mixing technique to measure the linewidth enhancement factor of a terahertz quantum cascade laser. We find that contrary to previous predictions of a zero linewidth enhancement factor, it has a value of ~0.5.File in questo prodotto:
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