About this Research Topic
Optical nonlinearities play a crucial role in enabling efficient and ultrafast switching applications that are essential for next-generation photonic devices. Therefore, optoelectronics, ultrafast optics, and terahertz radiations are investigated by the scientific community to explore various practical applications. For example, semiconductor and organic materials produce the best results in terms of increased luminescence quantum yield when doped with certain impurities. Nevertheless, the investigation of the nonlinear optical properties of the semiconductor and organic materials can be exploited for switching, optical limiting, and detector applications. Furthermore, we would like to explore strategies employed to enhance the nonlinear optical response of materials as well as investigate femtosecond and attosecond optical switching schemes that can be used to fabricate devices with petahertz speeds. On the other hand, terahertz radiation sources have recently been subjected to intensive discussion in the scientific community. Terahertz radiation generation and detection, particularly using photonic approaches, are of significant interest to the researchers. Most of the reports focus on the terahertz radiation sources in the frequency range between 0.1 to 3 THz, however, the output power of the THz radiation sources in the frequency range of 3-5 THz significantly drops because of the transit time and resistance-capacitance effects. Nevertheless, one of the solutions to this problem can be proposed by investigations of efficient THz radiation sources where the emission frequencies are broadband and can be tuned by engineering a heterostructure.
One of the goals of the research topic will be to provide a solution to the unsolved problem of the significant extension of optical limiting applications to switching applications by developing design strategies to manipulate optoelectronic materials. The potential challenges and future prospects of utilizing optoelectronic materials for switching applications will be investigated. The strategies for manipulating the optoelectronic materials can be generalized for a broad range of other materials by minimizing linear and nonlinear losses while enhancing the values of the nonlinear refractive index coefficient to increase the figure-of-merit for the switching applications. It is relatively difficult to attain higher transmission signals and a phase change of π in the all-optical switching devices. If these hurdles are addressed, the all-optical switching devices can be used for practical applications in the telecommunication field. On the other hand, the challenges in maintaining optical output power at terahertz frequencies due to transit-time and resistance–capacitance effects in solid-state electronic devices will be addressed. The research topic will focus on a broad range of scientific issues in advanced materials, ultrafast optics, terahertz radiations, nanomaterials, Raman spectroscopy and microscopy, optical imaging, microscope design, and biological tissue imaging which can be useful for various practical applications.
Topics of interest include, but are not limited to, the following:
- Advances in spatial and Temporal profile measurement of ultrafast pulsed lasers
- Advanced nonlinear optical techniques
- Optical nonlinearities in Semiconductors and organic molecules
- Switching in high figure-of-merit materials
- Recent advances in Terahertz radiation sources and applications
- Optical imaging and super-resolution imaging techniques
- Optoelectronic materials and device applications
One of the goals of the research topic will be to provide a solution to the unsolved problem of the significant extension of optical limiting applications to switching applications by developing design strategies to manipulate optoelectronic materials. The potential challenges and future prospects of utilizing optoelectronic materials for switching applications will be investigated. The strategies for manipulating the optoelectronic materials can be generalized for a broad range of other materials by minimizing linear and nonlinear losses while enhancing the values of the nonlinear refractive index coefficient to increase the figure-of-merit for the switching applications. It is relatively difficult to attain higher transmission signals and a phase change of π in the all-optical switching devices. If these hurdles are addressed, the all-optical switching devices can be used for practical applications in the telecommunication field. On the other hand, the challenges in maintaining optical output power at terahertz frequencies due to transit-time and resistance–capacitance effects in solid-state electronic devices will be addressed. The research topic will focus on a broad range of scientific issues in advanced materials, ultrafast optics, terahertz radiations, nanomaterials, Raman spectroscopy and microscopy, optical imaging, microscope design, and biological tissue imaging which can be useful for various practical applications.
Topics of interest include, but are not limited to, the following:
- Advances in spatial and Temporal profile measurement of ultrafast pulsed lasers
- Advanced nonlinear optical techniques
- Optical nonlinearities in Semiconductors and organic molecules
- Switching in high figure-of-merit materials
- Recent advances in Terahertz radiation sources and applications
- Optical imaging and super-resolution imaging techniques
- Optoelectronic materials and device applications
Keywords: Optical Materials, terahertz radiations, ultrafast and nonlinear optics, optical imaging, nanomaterials, attosecond physics
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