Over the past 60 years, output power from individual diode lasers has improved, but increasingly incrementally. Most high-power pump lasers today are based upon 2D laser arrays in the form of stacks of 1D semiconductor bars or 2D VCSEL arrays. Unlike these incumbents, photonic crystal surface emitters have the ability to be scaled in 2D and also provide a coherent emission.
Vector Photonics is a UK based company commercialising PCSEL technology across material systems, wavelengths, and applications spaces. In this talk we review the journey from inception to commercialisation and discuss the roadmap to high power multimode and singlemode arrays.
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