Superradiance paradox in waveguide lattices

Abstract

Recently, it has been suggested that the collective radiative decay of two point-like quantum emitters coupled to a waveguide, separated by a distance comparable to the coherence length of a spontaneously emitted photon, leads to an apparent ${}^{\prime }$superradiance paradox${}^{\prime }$ by which one cannot decide whether independent or collective emission occurs. The resolution of the paradox stems from the strong non-Markovian dynamics arising from the delayed field-mediated atom interaction. Here we suggest an integrated optics platform to emulate the superradiance paradox, based on photon escape dynamics in waveguide lattices. Remarkably, Markovian decay dynamics and independent photon emission can be restored by frequent (Zeno-like) observation of the system.

5 pages, 3 figures

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• Photon-mediated interactions between distant artificial atoms
• Light propagation and localization in modulated photonic lattices and waveguides
• Quantum Zeno dynamics: mathematical and physical aspects
• Quantum and classical correlations in waveguide lattices
• Observation of Dicke Superradiance for Two Artificial Atoms in a Cavity with High Decay Rate
• Experimental Two-dimensional Quantum Walk on a Photonic Chip
• Fractional Bloch oscillations in photonic lattices
• Non-Markovian collective emission from macroscopically separated emitters
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• Fermionic statistics suppresses Fano resonances
• Experimental investigation of quantum decay at short, intermediate and long times via integrated photonics
• Non-Markovian super-superradiance in a linear chain of up to 100 qubits
• Quantum simulation of decoherence in optical waveguide lattices

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• Rabi oscillations of bound states in the continuum
• Distant emitters in ultrastrong waveguide QED: Ground-state properties and non-Markovian dynamics
• Bosonic Mpemba effect with non-classical states of light
• Controllable optical response and tunable sensing based on self interference in waveguide QED systems
• Quantum Mpemba effect from initial system-reservoir entanglement
• Cavitylike strong coupling in macroscopic waveguide QED using three coupled qubits in the deep non-Markovian regime
• Intermittent decoherence blockade in a chiral ring environment
• Observation of non-Markovian Radiative Phenomena in Structured Photonic Lattices
• Adding Photonic Entanglement to Superradiance by Using Multilevel Atoms
• Chiral excitation and effective bandwidth enhancement in tilted coupled optical waveguide lattices
• Non-Markovian exceptional points in waveguide quantum electrodynamics