Two-Photon Resonance Fluorescence in a Three-Level Ladder-Type Atom
arXiv:2503.16772 · doi:10.1103/3lrt-ygwp
Abstract
In this work, we consider a three-level ladder-type atom driven by a coherent field, inspired by the experimental work of Gasparinetti et al. [Phys. Rev. A 100, 033802 (2019)]. When driven on two-photon resonance, the atom is excited into its highest energy state by absorbing two photons simultaneously. The atom then de-excites via a cascaded decay . Here we present a theoretical study of the atomic fluorescence spectrum where, upon strong coherent driving, the spectrum exhibits seven distinct frequencies corresponding to transitions amongst the atomic dressed states. We characterize the quantum statistics of the emitted photons by investigating the second-order correlation functions of the emitted field. We do so by considering the total field emitted by the atom and focusing on each of the dressed-state components, taking in particular a secular-approximation and deriving straightforward, transparent analytic expressions for the second-order auto- and cross-correlations.
13 pages, 10 figures
References in corpus (10)
- QuTiP 2: A Python framework for the dynamics of open quantum systems
- QuTiP: An open-source Python framework for the dynamics of open quantum systems
- The crux of using the cascaded emission of a 3-level quantum ladder system to generate indistinguishable photons
- Cavity-enhanced simultaneous dressing of quantum dot exciton and biexciton states
- Observation of three-state dressed states in circuit quantum electrodynamics
- Correlations and entanglement of microwave photons emitted in a cascade decay
- Path-controlled time reordering of paired photons in a dressed three-level cascade
- Non-linear two-photon resonance fluorescence on a single artificial atom
- Two-Photon Resonance Fluorescence of a Ladder-Type Atomic System
- Multi-Mode Array Filtering of Resonance Fluorescence