Increase In Output Power Of 8 Mu M Quantum Cascade Spiral Cavity Superluminescent Devices By Active Region Doping

Yezhezi Zhang,Mei C. Zheng,Abigail R. Pitarresi,Sara Kacmoli,Abanti Basak,Deborah L. Sivco,Claire F. Gmachl

2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2018）

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Abstract

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

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Key words

output power,maximum SL power,coherence length,quantum cascade spiral cavity superluminescent devices,active region doping,power 7.5 mW,wavelength 8.0 mum

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