Answers are grounded in this paper and cite their sources.
We report the measured linewidth of a single-frequency graded-index-rod external-coupled-cavity (GRECC) laser and the linewidth narrowing observed with an added 35 cm external cavity, and the demonstration of an experimental self-heterodyne envelope detection system using a free-running GRECC laser and amplitude modulation.
No takes yet. Share an insight, caveat, or question.
Liou et al. (1985) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: