Thermal rubidium vapor shows collective strong coupling to integrated microring resonators, with measured collective coupling strength g_N/2π ≈ 1 GHz and cooperativity C_N ≈ 2, inferring about 20 participating atoms.
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Collective Strong Coupling of Thermal Atoms to Integrated Microring Resonators
Thermal rubidium vapor shows collective strong coupling to integrated microring resonators, with measured collective coupling strength g_N/2π ≈ 1 GHz and cooperativity C_N ≈ 2, inferring about 20 participating atoms.