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Increase in Output Power of 8 µm Quantum Cascade Spiral Cavity Superluminescent Devices by Active Region Doping

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Abstract

We report on 8 µm quantum cascade superluminescent emitters. Doping in the active region contributed to higher SL power of 7.5 mW; we obtained a coherence length of ~346 µm at maximum SL power.

© 2018 The Author(s)

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