Answers are grounded in this paper and cite their sources.
Quantum Cascade devices with an emission wavelength centered around 5 μm have been shaped into compact, yet long (8 mm and 12 mm) spiral cavities to increase mid-infrared superluminescence (SL) power. Up to ~57 mW of SL power at 250 K is obtained with a Gaussian emission spectrum with a full width at half maximum of 56 cm(-1) and a coherence length of ~107 μm.
No takes yet. Share an insight, caveat, or question.
Zheng et al. (2015) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: