Cavity dark mode of distant coupled atom-cavity systems

Abstract

We report on a combined experimental and theoretical investigation into the normal modes of an all-fiber coupled cavity-quantum-electrodynamics system. The interaction between atomic ensembles and photons in the same cavities, and that between the photons in these cavities and the photons in the fiber connecting these cavities, generates five non-degenerate normal modes. We demonstrate our ability to excite each normal mode individually. We study particularly the `cavity dark mode', in which the two cavities coupled directly to the atoms do not exhibit photonic excitation. Through the observation of this mode, we demonstrate remote excitation and nonlocal saturation of atoms.

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• Transfer matrix approach to determining the linear response of all-fiber networks of cavity-QED systems
• The role of dephasing for dark state coupling in a molecular Tavis-Cummings model
• Machine learner optimization of optical nanofiber-based dipole traps for cold ${}^{87}$Rb atoms
• Revisiting Quantum Feedback Control: Disentangling the Feedback-induced Phase from the Corresponding Amplitude
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• Cavity dark mode mediated by atom array without atomic scattering loss
• Dark-state engineering in Fock-state lattices
• Apparent delay of the Kibble-Zurek mechanism in quenched open systems
• Light-induced, fictitious magnetic trapping of cold alkali atoms using an optical tweezers-nanofiber hybrid platform
• Addressing requirements for crosstalk-free quantum-gate operation in many-body nanofiber cavity QED systems