Chiral Interaction Induced Near-Perfect Photon Blockade
- URL: http://arxiv.org/abs/2402.09000v1
- Date: Wed, 14 Feb 2024 08:01:42 GMT
- Title: Chiral Interaction Induced Near-Perfect Photon Blockade
- Authors: Zhi-Guang Lu, Ying Wu, Xin-You L\"u
- Abstract summary: We show that the chiral interaction can induce the almost perfect photon blockade (PB) in the waveguide-cavity quantum electrodynamics (QED) system.
Our work offers an alternative route for achieving almost perfect PB effects by employing the chirality of system.
- Score: 6.611700038496629
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Based on the scattering matrix method, we theoretically demonstrate that the
chiral interaction can induce the almost perfect photon blockade (PB) in the
waveguide-cavity quantum electrodynamics (QED) system. The mechanism relies on
the multi-photon-paths interference within the waveguide, which is clearly
shown by the analytical parameter regime for $g^{(2)}(0)\approx0$. When $N$
cavities are introduced into the system, there are $N$ optimal parameter points
accordingly for the almost perfect PB, and the required chirality decreases
exponentially with increasing $N$. Under the conditions of resonant driving and
specific chirality, the output light only relies on the parity of $N$
($N\ge2$), where the coherent state and single-photon state correspond to the
case of system including the odd and even number of cavities, respectively. Our
work offers an alternative route for achieving almost perfect PB effects by
employing the chirality of system, with potential application in the on-chip
single-photon source with integrability.
Related papers
- Ultrabright and narrowband intra-fiber biphoton source at ultralow pump
power [51.961447341691]
Nonclassical photon sources of high brightness are key components of quantum communication technologies.
We here demonstrate the generation of narrowband, nonclassical photon pairs by employing spontaneous four-wave mixing in an optically-dense ensemble of cold atoms within a hollow-core fiber.
arXiv Detail & Related papers (2022-08-10T09:04:15Z) - Quantum density matrix theory for a laser without adiabatic elimination
of the population inversion: transition to lasing in the class-B limit [62.997667081978825]
No class-B quantum density-matrix model is available to date, capable of accurately describing coherence and photon correlations within a unified theory.
Here we carry out a density-matrix theoretical approach for generic class-B lasers, and provide closed equations for the photonic and atomic reduced density matrix in the Fock basis of photons.
This model enables the study of few-photon bifurcations and non-classical photon correlations in class-B laser devices, also leveraging quantum descriptions of coherently coupled nanolaser arrays.
arXiv Detail & Related papers (2022-05-26T16:33:51Z) - Silicon nitride waveguides with intrinsic single-photon emitters for
integrated quantum photonics [97.5153823429076]
We show the first successful coupling of photons from intrinsic single-photon emitters in SiN to monolithically integrated waveguides made of the same material.
Results pave the way toward the realization of scalable, technology-ready quantum photonic integrated circuitry.
arXiv Detail & Related papers (2022-05-17T16:51:29Z) - Almost indistinguishable single photons via multiplexing cascaded
biphotons with cavity modulation and phase compensation [0.0]
We study the frequency entanglement of a biphoton generated from alkali metal atomic ensembles.
The purity of single photon reaches up to $0.999$ and the entanglement entropy $S$ of the biphoton reduces to $0.006$.
An extremely low frequency entanglement implies an almost indistinguishable single photon source.
arXiv Detail & Related papers (2022-01-26T15:34:26Z) - Single-photon blockade in quasichiral atom-photon interaction:
Simultaneous high purity and high efficiency [1.9165601997790278]
Single-photon blockade (1PB) in the quasichiral regime of atom-photon interaction mediates via dissipative environment.
We find that in the quasichiral regime, the unconventional photon blockade (UPB) always incorporates with the conventional photon blockade (CPB) in the condition of maximum chirality.
Our work paves the way for 1PB towards practical applications and reveals the intriguing quantum-optics phenomena in the quasichiral light-matter interaction.
arXiv Detail & Related papers (2021-12-28T17:22:04Z) - In-plane resonant excitation of quantum dots in a dual-mode
photonic-crystal waveguide with high $\beta$-factor [0.4588028371034407]
A high-quality quantum dot (QD) single-photon source is a key resource for quantum information processing.
We propose a novel dual-mode photonic-crystal waveguide that realizes direct in-plane resonant excitation of the embedded QDs.
The device has a compact footprint of $sim 50$ $mu$m$2$ and would enable stable and scalable excitation of multiple emitters for multi-photon quantum applications.
arXiv Detail & Related papers (2021-12-01T13:46:13Z) - Topologically Protecting Squeezed Light on a Photonic Chip [58.71663911863411]
Integrated photonics offers an elegant way to increase the nonlinearity by confining light strictly inside the waveguide.
We experimentally demonstrate the topologically protected nonlinear process of spontaneous four-wave mixing enabling the generation of squeezed light on a silica chip.
arXiv Detail & Related papers (2021-06-14T13:39:46Z) - Intrinsic mechanisms for drive-dependent Purcell decay in
superconducting quantum circuits [68.8204255655161]
We find that in a wide range of settings, the cavity-qubit detuning controls whether a non-zero photonic population increases or decreases qubit decay Purcell.
Our method combines insights from a Keldysh treatment of the system, and Lindblad theory.
arXiv Detail & Related papers (2021-06-09T16:21:31Z) - Near-ideal spontaneous photon sources in silicon quantum photonics [55.41644538483948]
Integrated photonics is a robust platform for quantum information processing.
Sources of single photons that are highly indistinguishable and pure, that are either near-deterministic or heralded with high efficiency, have been elusive.
Here, we demonstrate on-chip photon sources that simultaneously meet each of these requirements.
arXiv Detail & Related papers (2020-05-19T16:46:44Z) - Resonance fluorescence from waveguide-coupled strain-localized
two-dimensional quantum emitters [0.0]
We show a scalable approach using a silicon nitride photonic waveguide to strain-localize single-photon emitters from a tungsten diselenide (WSe2) monolayer and to couple them into a waveguide mode.
Our results are an important step to enable coherent control of quantum states and multiplexing of high-quality single photons in a scalable photonic quantum circuit.
arXiv Detail & Related papers (2020-02-18T15:45:00Z)
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.