Quantum Cooling Systems using Mode Controlled Blue Lasers (CoolBlue2)

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CoolBlue2 is a highly innovative follow on porject with a goal to further develop next generation GaN laser technology for implementation in quantum sensors based on atomic cooling. Conventional laser sources for these applications are complex and inefficient whereas a direct blue laser diode source could offer many advantages such as increased power, lower complexity, and smaller size, potentially transforming quantum sensors such as frequency standards from laboratory instruments into miniaturised, robust systems. The project will consist of two cycles of laser design, fabrication and test, in which we will optimise key laser parameters including linewidth and power and wavelength . The project will be led by CSTG Ltd in partnership with the University of Glasgow, Aston University, Helia Photonics and National Physical LaboratoryUniversity of Glasgow offers advanced characterisation, device modelling and advanced lithography at the JWNC. GU is a partner in the Birmingham QT hub which creates excellent opportunities collaboration and an ideal platform for additional funding applications subsequent to this project. Additionally, Professor Paul is currently serving a QT fellowship which means that he is in an ideal position to understand both the technical requirements and the commercial drivers for this new technology.