MID-INFRARED QUANTUM CASCADE LASERS

SO Edeagu

doi:10.4314/njt.313.546

MID-INFRARED QUANTUM CASCADE LASERS

Authors

SO Edeagu Nanoelectronics Research Group, Department of Electronic Engineering, University of Nigeria, Nsukka, Nigeria.

DOI:

https://doi.org/10.4314/njt.313.546

Keywords:

laser, intersubband transitions, quantum cascade, mid-infrared, quantum well

Abstract

Quantum cascade lasers (QCL) based on intersubband transitions operating at room temperature in the mid-infrared or ‘molecular fingerprint’ spectral region/range (3.4 – 17 µm) have been found useful for several applications including environmental sensing, pollution monitoring, and medical applications. In this tutorial review we present an introductory overview of the design and development of mid-infrared quantum cascade lasers and their applications.

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Issue

Vol. 31 No. 3 (2012)

Section

Research papers of General Interest

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