What is he best known for?
The fields of study he is best known for:
- Optics
- Laser
- Optoelectronics
His primary areas of investigation include Optoelectronics, Laser, Optics, Semiconductor laser theory and Wavelength.
His Optoelectronics study integrates concerns from other disciplines, such as Etching and Continuous wave.
His studies in Laser integrate themes in fields like Atomic physics and Epitaxy.
Shigehisa Arai has included themes like Heterojunction and Electron-beam lithography in his Optics study.
His Semiconductor laser theory research incorporates themes from Substrate, Active layer, Distributed feedback laser and Quantum efficiency.
The various areas that Shigehisa Arai examines in his Gallium arsenide study include Quantum well, Charge-carrier density and Wavelength shift.
His most cited work include:
- The Temperature Dependence of the Efficiency and Threshold Current of In1-xGaxAsyP1-y Lasers Related to Intervalence Band Absorption (186 citations)
- Dynamic single-mode semiconductor lasers with a distributed reflector (140 citations)
- The temperature dependence of the threshold current of GaInAsP/InP DH lasers (135 citations)
What are the main themes of his work throughout his whole career to date?
Shigehisa Arai mainly focuses on Optoelectronics, Optics, Laser, Semiconductor laser theory and Distributed feedback laser.
His work on Quantum well expands to the thematically related Optoelectronics.
Distributed Bragg reflector, Grating, Distributed Bragg reflector laser, Refractive index and Tunable laser are among the areas of Optics where the researcher is concentrating his efforts.
His research integrates issues of Etching, Quantum wire, Reflector and Electron-beam lithography in his study of Laser.
The concepts of his Semiconductor laser theory study are interwoven with issues in Photonics, Photonic integrated circuit, Indium phosphide, Heterojunction and Quantum efficiency.
His Distributed feedback laser research is multidisciplinary, relying on both Optical pumping, Biasing, Silicon and Vertical-cavity surface-emitting laser.
He most often published in these fields:
- Optoelectronics (82.22%)
- Optics (53.17%)
- Laser (51.27%)
What were the highlights of his more recent work (between 2016-2020)?
- Optoelectronics (82.22%)
- Laser (51.27%)
- Optics (53.17%)
In recent papers he was focusing on the following fields of study:
Shigehisa Arai mainly investigates Optoelectronics, Laser, Optics, Metamaterial and Silicon on insulator.
As part of the same scientific family, Shigehisa Arai usually focuses on Optoelectronics, concentrating on Modulation and intersecting with Quantum dot laser.
His research in Laser intersects with topics in Biasing and Reflector.
His Optics study typically links adjacent topics like Substrate.
His Metamaterial study also includes fields such as
- Slow light and related Photonic metamaterial and Dispersion relation,
- Infrared and related Terahertz radiation,
- Refractive index which is related to area like Nano antenna,
- Photonics which is related to area like Semiconductor laser theory and Photodetector.
His Plasma-activated bonding study, which is part of a larger body of work in Silicon on insulator, is frequently linked to Waveguide and Hybrid III, bridging the gap between disciplines.
Between 2016 and 2020, his most popular works were:
- Directly modulated 13 μm quantum dot lasers epitaxially grown on silicon (34 citations)
- Amorphous-Si waveguide on a garnet magneto-optical isolator with a TE mode nonreciprocal phase shift. (19 citations)
- Metamaterial Waveguide Devices for Integrated Optics. (10 citations)
In his most recent research, the most cited papers focused on:
- Optics
- Laser
- Semiconductor
Shigehisa Arai mainly focuses on Optoelectronics, Optics, Laser, Waveguide and Photonics.
The study incorporates disciplines such as Substrate and Modulation in addition to Optoelectronics.
His research investigates the connection with Optics and areas like Silicon which intersect with concerns in Amorphous silicon and Depletion region.
His Laser research integrates issues from Biasing and Reflector.
His work deals with themes such as Magnet, Magnetization, Optical switch and Current, which intersect with Waveguide.
His Photonics research includes elements of Photodetector and Nanotechnology.
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