Quantum Multiphoton Rabi Oscillations in Waveguide QED
- URL: http://arxiv.org/abs/2310.15412v1
- Date: Tue, 24 Oct 2023 00:03:38 GMT
- Title: Quantum Multiphoton Rabi Oscillations in Waveguide QED
- Authors: Debsuvra Mukhopadhyay and Jung-Tsung Shen
- Abstract summary: Future of quantum information processing hinges on chip-scale nanophotonics, specifically cavity QED and waveguide QED.
One of the foremost processes underpinning quantum photonic technologies is the phenomenon of Rabi oscillations.
We analytically explore the scattering dynamics of the photonic Fock state as it interfaces with a two-level emitter.
- Score: 0.0
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: The future of quantum information processing hinges on chip-scale
nanophotonics, specifically cavity QED and waveguide QED. One of the foremost
processes underpinning quantum photonic technologies is the phenomenon of Rabi
oscillations, which manifests when a qubit is irradiated by an intense laser
source. Departing from the conventional semiclassical framework, we expound on
the more general, quantum-theoretic case where the optical excitation takes the
form of a multiphoton Fock state, and the qubit couples to a continuum of
radiation modes. By employing the real-space formalism, we analytically explore
the scattering dynamics of the photonic Fock state as it interfaces with a
two-level emitter. The resulting amplitude for atomic excitation features a
linear superposition of various independent scattering events that are
triggered by the potential of sequential photon absorptions and emissions. The
lowest-order excitation event, initiated by the stochastic scattering of one of
the several photons, aptly characterizes the dynamics in a weak-field
environment. This is complemented by a multitude of higher-order scattering
events ensuing from repeated atom-photon interactions. The temporal evolution
of the qubit excitation in our configuration closely mirrors the semiclassical
predictions, particularly in the strong-pumping limit where Rabi oscillations
unfold. Notably, this compatibility with the semiclassical paradigm applies
both to the weak-driving and large-detuning limits. Our analysis, therefore,
extends the existing results on quantum Rabi oscillations pertinent to
single-mode cavity QED, to the multimode, waveguide-QED configurations wherein
flying photons are the information carriers. Finally, we explore the scattering
dynamics of pulsed wave packets, highlighting the potential to substantially
enhance excitation efficiency, even in scenarios involving just a few photons.
Related papers
- Nonlinear dynamical Casimir effect and Unruh entanglement in waveguide QED with parametrically modulated coupling [83.88591755871734]
We study theoretically an array of two-level qubits moving relative to a one-dimensional waveguide.
When the frequency of this motion approaches twice the qubit resonance frequency, it induces parametric generation of photons and excitation of the qubits.
We develop a comprehensive general theoretical framework that incorporates both perturbative diagrammatic techniques and a rigorous master-equation approach.
arXiv Detail & Related papers (2024-08-30T15:54:33Z) - Beyond-adiabatic Quantum Admittance of a Semiconductor Quantum Dot at High Frequencies: Rethinking Reflectometry as Polaron Dynamics [0.0]
We develop a self-consistent quantum master equation formalism to obtain the admittance of a quantum dot tunnel-coupled to a charge reservoir.
We describe two new photon-mediated regimes: Floquet broadening, determined by the dressing of the QD states, and broadening determined by photon loss in the system.
arXiv Detail & Related papers (2023-07-31T14:46:43Z) - Quantum vortices of strongly interacting photons [52.131490211964014]
Vortices are hallmark of nontrivial dynamics in nonlinear physics.
We report on the realization of quantum vortices resulting from a strong photon-photon interaction in a quantum nonlinear optical medium.
For three photons, the formation of vortex lines and a central vortex ring attests to a genuine three-photon interaction.
arXiv Detail & Related papers (2023-02-12T18:11:04Z) - Deterministic generation of multi-photon bundles in a quantum Rabi model [7.475750944627122]
We propose a scheme that generates multi-photon bundles via virtual excitations in a quantum Rabi model.
We show that the driving pulses induce deterministic emission of multiple photons from the eigenstates of the quantum Rabi model.
We calculate the generalized second-order correlation functions of the output photons, which reveal that the emitted photons form antibunched multi-photon bundles.
arXiv Detail & Related papers (2022-10-07T15:21:33Z) - Collective Excitation of Spatio-Spectrally Distinct Quantum Dots Enabled
by Chirped Pulses [0.0]
We demonstrate the robustness of ARP for simultaneous excitation of the biexciton states of multiple quantum dots.
Being able to generate spatially multiplexed entangled photon pairs is a big step towards the scalability of photonic devices.
arXiv Detail & Related papers (2022-09-19T12:44:28Z) - Correlated steady states and Raman lasing in continuously pumped and
probed atomic ensembles [68.8204255655161]
We consider an ensemble of Alkali atoms that are continuously optically pumped and probed.
Due to the collective scattering of photons at large optical depth, the steady state of atoms does not correspond to an uncorrelated tensor-product state.
We find and characterize regimes of Raman lasing, akin to the model of a superradiant laser.
arXiv Detail & Related papers (2022-05-10T06:54:54Z) - Effects of spatial quantization and Rabi-shifted resonances in single
and double excitation of quantum wells and wires induced by few-photon
optical field [0.0]
We study the dynamics of Frenkel excitons and bi-excitons induced by few photon quantum light in a quantum well or wire of finite size.
The eigenenergies and eigenfunctions of the coupled exciton-photon states in a multiatomic system are found.
The role of spatial confinement as well as the energy quantization effects in 1D and 2D cases is analyzed.
arXiv Detail & Related papers (2021-12-08T10:39:33Z) - Waveguide quantum electrodynamics: collective radiance and photon-photon
correlations [151.77380156599398]
Quantum electrodynamics deals with the interaction of photons propagating in a waveguide with localized quantum emitters.
We focus on guided photons and ordered arrays, leading to super- and sub-radiant states, bound photon states and quantum correlations with promising quantum information applications.
arXiv Detail & Related papers (2021-03-11T17:49:52Z) - Strongly entangled system-reservoir dynamics with multiphoton pulses
beyond the two-excitation limit: Exciting the atom-photon bound state [62.997667081978825]
We study the non-Markovian feedback dynamics of a two-level system interacting with the electromagnetic field inside a semi-infinite waveguide.
We compare the trapped excitation for an initially excited quantum emitter and an emitter prepared via quantized pulses containing up to four photons.
arXiv Detail & Related papers (2020-11-07T12:56:16Z) - Theory of waveguide-QED with moving emitters [68.8204255655161]
We study a system composed by a waveguide and a moving quantum emitter in the single excitation subspace.
We first characterize single-photon scattering off a single moving quantum emitter, showing both nonreciprocal transmission and recoil-induced reduction of the quantum emitter motional energy.
arXiv Detail & Related papers (2020-03-20T12:14:10Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.