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Toward high-efficiency deep-ultraviolet semiconductor laser sources
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Fusion42 · 30 August 2026 · Fusion42 review
Research reveals internal optical loss, not optical confinement, as the main barrier to improving wall-plug efficiency in aluminum gallium nitride-based ultraviolet-B semiconductor laser diodes, underpinning their future use in medical, photochemical, and quantum tech fields.
This Wire brief sits within Fusion42's coverage of Semiconductors.
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Laser diode founders can focus development efforts on reducing internal optical losses rather than redesigning optical confinement. This shift opens clearer paths to commercially viable UV-B lasers for healthcare and quantum technology applications.
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1 source · 6 Aug 2026
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