A. Scofield, S.H. Kim, J. Shapiro, A. Lin, B. Liang, Axel Scherer, D. Huffaker
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Room temperature continuous wave lasing in nanopillar photonic crystal cavities
We demonstrate room temperature continuous wave lasing in bottom-up photonic crystal cavities formed by patterned III-V nanopillars. Single-cell high-Q photonic crystal cavities are formed with nanopillars by selective-area epitaxy. Control of the nanopillar geometry and heterostructures allows for high-Q and large confinement factor, resulting in a low threshold power density of 75 W/cm2 at 1040 nm emission wavelength.
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