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- W4226189938 abstract "Since the initial proposal in 1999 by Noda <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>et al.</i> , photonic crystal surface emitting lasers (PCSELs) have shown to achieve large area, coherent lasing with a narrow, single mode beam. Owing to their unique orthogonal electrical/optical cavity scheme, PCSELs have emerged as one of the most promising platforms for high power diode lasers. In this paper, we report the performance trade-offs and challenges in power scaling, modal competition, and charge injection control. To address these challenges, we investigate the electrical and optical performances of PCSELs under high-power operation. Heterostructure designs with electron block layers were incorporated for efficient and balanced electrical charge injection. Symmetry breaking strategy was introduced in the photonic crystal design to engineer the in-plane momentum dependent quality factor (Q(k)) for mode discrimination and single mode operation. The impact of electrode designs was also investigated to achieve large area uniform charge injection. Simulation results of these designs indicate promising solutions and improved performances for large-area high-power and single-mode PCSEL operations." @default.
- W4226189938 created "2022-05-05" @default.
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- W4226189938 date "2022-08-01" @default.
- W4226189938 modified "2023-10-12" @default.
- W4226189938 title "Scaling Challenges in High Power Photonic Crystal Surface-Emitting Lasers" @default.
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- W4226189938 doi "https://doi.org/10.1109/jqe.2022.3165314" @default.
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