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Conferences > QELS > 2007 > JWA > JWA114
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper JWA114

Growth Studies of Quantum Cascade Lasers With CurrentBlocking Structures

Liwei Cheng, Xiaoming Ji, Fow-Sen Choa, Zhijun Liu, Claire F. Gmachl, Jeny Fan, Xiaojun Wang, Rich Leavitt, John Bruno, and John Bradshaw

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Abstract

Buried-heterosturcture regrowths have very significant impact on quantum-cascade- laser (QCL) threshold, output power, and reliability. We report detailed BH regrowth studies on QCLs along different crystal orientations. Low-leakage blocking layers were successfully developed for high-performance QCLs.

© 2007 Optical Society of America

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