Characterization of long-wavelength semiconductor lasers

Quantum cascade laser (QCL) is a unipolar laser diode with intersubband transitions within heterostructural forms. It garnered much attention from the semiconductor laser community due to its efficacy in performing even at low temperatures. As a result, there can be many significant applications tha...

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Main Author: Fawwaz Mohd Noor
Other Authors: Wang Qijie
Format: Final Year Project
Language:English
Published: 2015
Subjects:
Online Access:http://hdl.handle.net/10356/64395
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-643952023-07-07T17:06:54Z Characterization of long-wavelength semiconductor lasers Fawwaz Mohd Noor Wang Qijie School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics Quantum cascade laser (QCL) is a unipolar laser diode with intersubband transitions within heterostructural forms. It garnered much attention from the semiconductor laser community due to its efficacy in performing even at low temperatures. As a result, there can be many significant applications that can be derived from it. QCL performance follows a complex sequence of steps, thus requiring meticulous measurements of the numerous spectral and electrical characteristics of laser devices. In this project, the author focuses on research for electrical and optical characterization of high performance ridge waveguide mid-infrared (~3-20um) and terahertz (~300-10 THz) QCLs. The author will also explain the working principle of the equipments that are commonly used for characterisation. In addition, the author performed research on uses of LabVIEW and the ways to link hardware to the computer. Thereafter, the author modified a LabVIEW driver to interface with hardware for future characterisation work. The project will first explore a literature review on the progression of QCLs, factors for characterisation of them, and their applications. The project will then set out with a simple experiment and interface the LabVIEW programme with the hardware, and report test results. Finally, the report will end with challenges encountered and recommendations for future work. Bachelor of Engineering 2015-05-26T06:36:21Z 2015-05-26T06:36:21Z 2015 2015 Final Year Project (FYP) http://hdl.handle.net/10356/64395 en Nanyang Technological University 68 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
spellingShingle DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Fawwaz Mohd Noor
Characterization of long-wavelength semiconductor lasers
description Quantum cascade laser (QCL) is a unipolar laser diode with intersubband transitions within heterostructural forms. It garnered much attention from the semiconductor laser community due to its efficacy in performing even at low temperatures. As a result, there can be many significant applications that can be derived from it. QCL performance follows a complex sequence of steps, thus requiring meticulous measurements of the numerous spectral and electrical characteristics of laser devices. In this project, the author focuses on research for electrical and optical characterization of high performance ridge waveguide mid-infrared (~3-20um) and terahertz (~300-10 THz) QCLs. The author will also explain the working principle of the equipments that are commonly used for characterisation. In addition, the author performed research on uses of LabVIEW and the ways to link hardware to the computer. Thereafter, the author modified a LabVIEW driver to interface with hardware for future characterisation work. The project will first explore a literature review on the progression of QCLs, factors for characterisation of them, and their applications. The project will then set out with a simple experiment and interface the LabVIEW programme with the hardware, and report test results. Finally, the report will end with challenges encountered and recommendations for future work.
author2 Wang Qijie
author_facet Wang Qijie
Fawwaz Mohd Noor
format Final Year Project
author Fawwaz Mohd Noor
author_sort Fawwaz Mohd Noor
title Characterization of long-wavelength semiconductor lasers
title_short Characterization of long-wavelength semiconductor lasers
title_full Characterization of long-wavelength semiconductor lasers
title_fullStr Characterization of long-wavelength semiconductor lasers
title_full_unstemmed Characterization of long-wavelength semiconductor lasers
title_sort characterization of long-wavelength semiconductor lasers
publishDate 2015
url http://hdl.handle.net/10356/64395
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