Low-threshold-current-density room-temperature continuous-wave quantum-cascade-lasers grown by metal organic chemical vapor deposition

Authors :: Fow-Sen Choa
T. Tanbun-Ek
Jen-Yu Fan
Xiaojun Wang
Source :: 2007 Conference on Lasers and Electro-Optics (CLEO).
Publication Year :: 2007
Publisher :: IEEE, 2007.
Abstract: We report Buried-heterostructure QCLs of lambda~5mum, grown by MOCVD, with extremely low CW room-temperature threshold-current-density of 0.75kA/cm2. Slope efficiencies of 1079mW/A, output power of 116 mW at 288 K and internal loss of 1.84cm-1 have been achieved.

Subjects :: Materials science
business.industry
Chemical vapor deposition
Laser
law.invention
Semiconductor laser theory
law
Cascade
Continuous wave
Optoelectronics
Metalorganic vapour phase epitaxy
business
Current density
Quantum well

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