Narrow line width surface corrugated quantum well and quantum dot distributedd feedback lasers

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The goal of the proposed research is to develop narrow line-width single and dual frequency photonic integration-capable multi-electrode surface-corrugated distributed feedback semiconductor lasers as sources. These lasers promise to meet the common needs of applications to precise optical measurement and high-resolution laser spectroscopy, coherent communications systems including Radio-over-Fibre, Radio Frequency-over-Glass, and on-board satellite communications that reflect the respective distinct business interests of the supporting organizations. The expected results include prototype quantum well and quantum dot lasers with ultra-narrow line widths. Packaged devices will be characterised and tested on the partners' hardware platforms. The research is innovative because it involves the design of novel electrode and cavity