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We investigate the two-photon transport through a waveguide side-coupling to a whispering-gallery-atom system. Using the Lehmann-Symanzik-Zimmermann (LSZ) reduction approach, we present the general formula for the two-photon processes…

Quantum Physics · Physics 2015-06-11 T. Shi , Shanhui Fan

We propose and characterize a two-photon emitter in a highly polarised, monochromatic and directional beam, realized by means of a quantum dot embedded in a linearly polarized cavity. In our scheme, the cavity frequency is tuned to half the…

Mesoscale and Nanoscale Physics · Physics 2011-11-15 E. del Valle , A. Gonzalez-Tudela , E. Cancellieri , F. P. Laussy , C. Tejedor

The purpose of this paper is to study two-photon dynamics induced by the coherent feedback control of a cavity quantum electrodynamics (cavity-QED) system coupled to a waveguide. In this set-up, the two-level system in the cavity can work…

Quantum Physics · Physics 2023-05-08 Haijin Ding , Guofeng Zhang

The ability to entangle distant quantum nodes is essential for the construction of quantum networks and for quantum information processing. For solid-state quantum emitters used as qubits, it can be achieved by photon interference. When the…

Quantum Physics · Physics 2019-10-23 Herbert F Fotso

Employing tight-binding approximation we derive a transfer matrix formalism for one-dimensional single photon transport through a composite scattering center, which consists of parallel connected resonator optical waveguides. By solving the…

Quantum Physics · Physics 2017-03-29 Yu Jiang , M. Lozada-Cassou

The single-photon scattering in a rectangular waveguide by a V-type three-level emitter is studied for large range of input-photon energy beyond the single-mode region. By using Lippmann-Schwinger formalism, the necessary and sufficient…

Quantum Physics · Physics 2020-12-30 Ya-Ju Song , Lei Qiao , Chang-Pu Sun

We discuss two-photon correlations from the side peaks that are formed when a two-level system emitter is driven coherently, with a detuning between the driving source and the emitter (quasi-resonance fluorescence). We do so in the context…

Quantum Physics · Physics 2023-05-03 Eduardo Zubizarreta Casalengua , Elena del Valle , Fabrice P. Laussy

In a preceding paper we introduced a formalism to study the scattering of low intensity fields from a system of multi-level emitters embedded in a $3$D dielectric medium. Here we show how this photon-scattering relation can be used to…

Quantum Physics · Physics 2018-04-25 Sumanta Das , Vincent E. Elfving , Florentin Reiter , Anders S. Sørensen

Enhanced interaction between two two-level emitters (e.g., atoms) by nonreciprocal photonic media can be of benefit to broad areas, from quantum information science to biological detection. Here we provide a detailed analysis on why…

Quantum Physics · Physics 2022-09-14 S. Ali Hassani Gangaraj , Lei Ying , Francesco Monticone , Zongfu Yu

We apply our recently developed theory of frequency-filtered and time-resolved N-photon correlations to study the two-photon spectra of a variety of systems of increasing complexity: single mode emitters with two limiting statistics (one…

Quantum Physics · Physics 2014-03-06 A. Gonzalez-Tudela , F. P. Laussy , C. Tejedor , M. J. Hartmann , E. del Valle

We discuss the scattering of photons from a three-level emitter in a one-dimensional waveguide, where the transport is governed by the interference of spontaneously emitted and directly transmitted waves. The scattering problem is solved in…

Quantum Physics · Physics 2010-11-15 D. Witthaut , A. S. Sorensen

Two-photon states are essential for quantum technologies such as metrology, lithography, and communication. One of the primary methods of two-photon generation is based on parametric down-conversion, but this suffers from low efficiency and…

Quantum Physics · Physics 2025-11-11 M. I. Mazhari , Rituraj

The single photon transport through a one dimensional array of cavities is studied theoretically. Analytical expressions of the reflection and transmission are given. The transmission shows an energy spectrum with forbidden and allowed…

Quantum Physics · Physics 2012-01-19 Maritza Ahumada , Natalia Cortés , M. L. Ladrón de Guevara , P. A. Orellana

We investigate theoretically two-photon processes in a microcavity containing one quantum dot in the strong coupling regime. The cavity mode can be tuned to resonantly drive the two-photon transition between the ground and the biexciton…

Mesoscale and Nanoscale Physics · Physics 2010-01-08 Elena del Valle , Stefano Zippilli , Fabrice P. Laussy , Alejandro Gonzalez-Tudela , Giovanna Morigi , Carlos Tejedor

Coupling electromagnetic waves in a cavity and mechanical vibrations via the radiation pressure of the photons [1,2] is a promising platform for investigations of quantum mechanical properties of motion of macroscopic bodies and thereby the…

Mesoscale and Nanoscale Physics · Physics 2015-10-16 J. -M. Pirkkalainen , S. U. Cho , F. Massel , J. Tuorila , T. T. Heikkila , P. J. Hakonen , M. A. Sillanpaa

We investigate the effect of a cavity on nonlinear two-photon transitions of a molecular system and how such an effect depends on the cavity quality factor, the field enhancement and the possibility of dephasing. We find that the molecular…

Quantum Physics · Physics 2023-10-16 Zeyu Zhou , Hsing-Ta Chen , Maxim Sukharev , Joseph E. Subotnik , Abraham Nitzan

We study photon emission by an ensemble of two-level systems, with strong inhomogeneous broadening and coupled to a cavity mode whose frequency has linear time-dependence. The analysis shows that, regardless the distribution of energy level…

Mesoscale and Nanoscale Physics · Physics 2019-09-25 C. Sun , V. Y. Chernyak , A. Piryatinski , N. A. Sinitsyn

We consider two separate atoms interacting with a single-mode optical resonator. When the frequency of the resonator field is twice the atomic transition frequency, we show that there exists a resonant coupling between \textit{one} photon…

We study the one-dimensional extended Hubbard model coupled with an optical cavity, which describes an interplay of the effect of vacuum fluctuation of light and the quantum phase transition between the charge- and spin-density-wave phases.…

Strongly Correlated Electrons · Physics 2026-02-10 Taiga Nakamoto , Kazuaki Takasan , Naoto Tsuji

We examine quantum interference effects due to absorption and emission from multiple atoms coupled to a waveguide and highlight the modifications they entail in regards to single-photon transport properties. A prominent upshot of these…

Optics · Physics 2019-07-17 Debsuvra Mukhopadhyay , Girish S. Agarwal