Inspired by valley pseudospins in two-dimensional materials, high-quality-factor (high-Q) spin–valley states were created through the photonic Rashba-type spin splitting of a bound state in the continuum. This approach enabled the construction of a coherent and controllable spin-optical laser using monolayer-integrated spin–valley microcavities without requiring magnetic fields or cryogenic temperatures.
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This is a summary of: Rong, K. et al. Spin-valley Rashba monolayer laser. Nat. Mater. https://doi.org/10.1038/s41563-023-01603-3 (2023).
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A spin-optical monolayer laser based on a photonic spin lattice. Nat. Mater. 22, 1061–1062 (2023). https://doi.org/10.1038/s41563-023-01623-z