most citedPerfect Intrinsic Squeezing at the Superradiant Phase Transition Critical Point

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cond-mat.mes-hall2020★ 6 cited

Observation of Photoinduced Terahertz Gain in GaAs Quantum Wells: Evidence for Radiative Two-Exciton-to-Biexciton Scattering

X. Li, K. Yoshioka, Q. Zhang +9

We have observed photoinduced negative optical conductivity, or gain, in the terahertz frequency range in a GaAs multiple-quantum-well structure in a strong perpendicular magnetic…