Ultra-Broadband InAs/InP Quantum-Dash Laser in Optical Communications: Device and System Level Investigation
Feb 2017 · Noor Publishing
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About this ebook
Quantum dash based laser diodes have attracted the focus of study and research in the very recent years due to what they possess of myriad advantages that make them ideal for several applications. Atop said advantages is their peculiar ultra-broadband emission as a result of the inherent inhomogeneous nature of the growth process of quantum dashes. This book investigates a novel multi-stacked chirped InAs/InP quantum dash-in-well laser that introduces an extra layer of inhomogeneity. The investigation of this laser is carried out at two levels: device level and system level. In device level, the fundamental laser diode characterization experiments are performed to extract its principle parameters. Thereafter, the investigation scope is shifted towards pulsed operation modes of higher-ordered duty-cycles and continuous wave operations. The device-level characterization is concluded by investigating the temperature dependent lasing spectral profiles at different geometrical configurations, current injections, and temperatures. Finally, the obtained results are used to optimize different operation parameters that achieved a successful implementation in optical communication systems.
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About the author
Emad Alkhazraji is a Lecturer in the department of electrical and electronic engineering technology, Jubail Industrial College (JIC), Saudi Arabia. He received the B.S. (with First Honors) and M.S. degrees in electrical engineering from King Fahd University of Petroleum and Minerals (KFUPM), Saudi Arabia, in 2014 and 2016, respectively. Since 2016, he has been a part-time Ph.D. student in the electrical engineering department at KFUPM. His research focus is in Photonics and Optoelectronics, particularly semiconductor quantum dash lasers and their applications in optical communications. Emad Alkhazraji is a member of The Institute of Electrical and Electronics Engineers (IEEE) and the Optical Society of America (OSA).
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