What is it about?
Terahertz (THz) radiation is a growing field of research, with many potential fields of application, form medical to astronomy. The work looks at developing a system to potentially generate this frequency, whereby a two laser system is utilized, mediated by injection-locking in a third laser. The work looks in detail at the different behaviors observed in the system, and the underlying importance of each region.
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Why is it important?
The generation of THz radiation, especially within the 'so-called' THz gap (100GHz -10 THz) is notoriously difficult, so developing a system that could potentially realize this frequency range will hopefully benefit the wider THz community. Identifying the different operating regions associated with such a system, and the regions of operation to avoid, will lead to identifying an optimal operating point where THz could potentially be realized.
Perspectives
I am particularly proud of this work as it builds upon what I did during my PhD, and has lead to some fruitful results. These will be built upon for future work, such as examining the modulation response of the system in order to identity a potential optimal operating point, which has already been started. My hope is that this work will be of interest to the wider THz community.
Dr Daniel Roberts
Bangor University
Read the Original
This page is a summary of: Operating Regimes of a Controlled Dual-Wavelength Semiconductor Laser System through FWM Mediated by Injection Locking , IET Optoelectronics, October 2018, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-opt.2018.5019.
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