What is he best known for?
The fields of study he is best known for:
- Laser
- Optics
- Semiconductor
Optics, Optoelectronics, Laser, Semiconductor laser theory and Quantum efficiency are his primary areas of study.
His study in Optics is interdisciplinary in nature, drawing from both Etching and Multiplexing.
His Optoelectronics research is multidisciplinary, incorporating perspectives in Quantum well, Molecular beam epitaxy and Layer.
He has included themes like Active layer, Electronic band structure and Absorption spectroscopy in his Laser study.
His research in Semiconductor laser theory intersects with topics in Doping, Pulse, Molecular physics, Mode-locking and Atomic physics.
His study looks at the intersection of Quantum efficiency and topics like Electroluminescence with Phonon.
His most cited work include:
- Catastrophic damage of AlxGa1−xAs double‐heterostructure laser material (261 citations)
- The effect of surface recombination on current in AlxGa1−xAs heterojunctions (241 citations)
- Measurement of gain and absorption spectra in AlGaAs buried heterostructure lasers (226 citations)
What are the main themes of his work throughout his whole career to date?
Ralph Andre Logan mainly investigates Optoelectronics, Laser, Optics, Semiconductor laser theory and Heterojunction.
He regularly links together related areas like Epitaxy in his Optoelectronics studies.
His Epitaxy research is multidisciplinary, relying on both Substrate and Analytical chemistry.
His studies deal with areas such as Active layer and Modulation as well as Laser.
The various areas that Ralph Andre Logan examines in his Semiconductor laser theory study include Distributed Bragg reflector, Spontaneous emission and Tunable laser.
Ralph Andre Logan interconnects Bipolar junction transistor and Dielectric in the investigation of issues within Heterojunction.
He most often published in these fields:
- Optoelectronics (78.04%)
- Laser (55.14%)
- Optics (50.47%)
What were the highlights of his more recent work (between 1992-1996)?
- Optoelectronics (78.04%)
- Laser (55.14%)
- Optics (50.47%)
In recent papers he was focusing on the following fields of study:
Ralph Andre Logan mainly focuses on Optoelectronics, Laser, Optics, Semiconductor laser theory and Metalorganic vapour phase epitaxy.
His work carried out in the field of Optoelectronics brings together such families of science as Bipolar junction transistor and Epitaxy.
His Laser research is multidisciplinary, incorporating elements of Optical engineering, Active layer and Modulation.
His Semiconductor laser theory research incorporates elements of Charge-carrier density, Optical materials, Nonlinear optics and Laser linewidth.
The Metalorganic vapour phase epitaxy study combines topics in areas such as Crystal growth and Chemical-mechanical planarization.
Ralph Andre Logan combines subjects such as Chemical vapor deposition, Reactive-ion etching and Gallium arsenide with his study of Heterojunction.
Between 1992 and 1996, his most popular works were:
- Mode-locked hybrid soliton pulse source with extremely wide operating frequency range (116 citations)
- Analysis of gain in determining T/sub 0/ in 1.3 /spl mu/m semiconductor lasers (71 citations)
- Packaged 1.55 mu m DFB laser with 25 GHz modulation bandwidth (40 citations)
In his most recent research, the most cited papers focused on:
- Laser
- Optics
- Semiconductor
His primary areas of investigation include Optoelectronics, Optics, Laser, Semiconductor laser theory and Optical fiber.
The concepts of his Optoelectronics study are interwoven with issues in Heterostructure-emitter bipolar transistor and Transistor.
In his research on the topic of Optics, Distributed feedback laser and Far-infrared laser is strongly related with Parasitic extraction.
His work is dedicated to discovering how Laser, Modulation are connected with Crystal growth and Metalorganic vapour phase epitaxy and other disciplines.
His Semiconductor laser theory research includes elements of Chemical vapor deposition, Laser linewidth and Atomic physics.
He has researched Optical fiber in several fields, including Pulse-width modulation, Laser diode, Output coupler and Pulse generator.
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