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Single photon emitters in atomically-thin semiconductors can be deterministically positioned using strain induced by underlying nano-structures. Here, we couple monolayer WSe$_2$ to high-refractive-index gallium phosphide dielectric…

We investigate the coupling between a quantized electromagnetic field in a cavity resonator and a Coulomb interacting electronic system in a nanostructure in an external magnetic field. Effects caused by the geometry of the electronic…

Mesoscale and Nanoscale Physics · Physics 2012-03-15 Olafur Jonasson , Chi-Shung Tang , Hsi-Sheng Goan , Andrei Manolescu , Vidar Gudmundsson

The Jaynes-Cummings model provides a well established theoretical framework for single electron two level systems in a radiation field. Similar exactly solvable models for semiconductor light emitters such as quantum dots dominated by many…

Mesoscale and Nanoscale Physics · Physics 2009-10-29 Marten Richter , Alexander Carmele , Anna Sitek , Andreas Knorr

Optical cavities can enhance and control light-matter interactions. This has recently been extended to the nanoscale, and with single emitter strong coupling regime even at room temperature using plasmonic nano-cavities with deep…

In this paper we study a two-photon time-dependent Jaynes-Cummings model interacting with a Kerr-like medium. We assumed that the electromagnetic field is in different states such as coherent, squeezed vacuum and pair coherent, and that the…

Quantum Physics · Physics 2015-06-26 Guido Berlin , J. Aliaga

We present an approach for exponentially enhancing the single-photon coupling strength in an optomechanical system using only additional linear resources. It allows one to reach the quantum nonlinear regime of optomechanics, where nonlinear…

Quantum Physics · Physics 2016-05-04 Marc-Antoine Lemonde , Nicolas Didier , Aashish A. Clerk

We investigate the cavity excitation spectrum and the photon number distribution in a cavity QED system driven by a broadband squeezed vacuum. In an empty cavity, we show that only states with even number of photons can be measured under…

Quantum Physics · Physics 2018-11-29 Daqiang Bao , Chengjie Zhu , Yaping Yang , G. S. Agarwal

Coupling of an atom-like emitter to surface plasmons provides a path toward significant optical nonlinearity, which is essential in quantum information processing and quantum networks. A large coupling strength requires nanometer-scale…

Mesoscale and Nanoscale Physics · Physics 2018-10-18 Tao Cai , Subhojit Dutta , Shahriar Aghaeimeibodi , Zhili Yang , Sanghee Nah , John T. Fourkas , Edo Waks

Metal nanoantennas enable the manipulation of light emission and detection at the single photon level by confining light into very small volumes. Emitters coupled to these plasmonic structures are thus ideal candidates for usage in quantum…

Optics · Physics 2020-08-11 Nathan Kimmitt , Esther A. Wertz

We present the analytical solution of the Tavis-Cummings (TC) model for more than one qubit inhomogeneously coupled to a single mode radiation field beyond the rotating-wave approximation (RWA). The significant advantage of the displaced…

Quantum Physics · Physics 2014-03-25 Lijun Mao , Sainan Huai , Yunbo Zhang

We show that the two-photon Jaynes-Cummings model, feasible of experimental realization in cavity or ion-trap quantum electrodynamics, can approximately produce nonlinear coherent states of the field. We introduce these nonlinear coherent…

Quantum Physics · Physics 2015-12-18 I. Ramos Prieto , B. M. Rodríguez-Lara , H. M. Moya-Cessa

We investigate theoretically the model of two \qubits" system (one qubit having an auxiliary level) interacting with a single-mode resonator in the ultrastrong coupling regime. We show that a single photon could simultaneously excite two…

Quantum Physics · Physics 2018-01-16 Qian Bin , Xin-You Lü , Shang-Wu Bin , Gui-Lei Zhu , Ying Wu

An engineering technique using continuous quantum measurement together with a change detection algorithm is proposed to improve the probability of single photon emission for a quantum-dot based single-photon source. The technique involves…

Quantum Physics · Physics 2010-10-29 Shesha Raghunathan , Todd Brun

Manipulating the spontaneous emission of a fluorescent emitter can be achieved by placing the emitter in a nanostructured environment. A privileged spot is occupied by plasmonic structures that provide a strong confinement of the…

Nanoplasmonic modification of scintillation has so far been explored mainly in the weak-coupling regime, where changes in the local density of optical states enhance radiative recombination via Purcell-type rate engineering. By contrast,…

Optics · Physics 2026-04-16 Michał Makowski , Dominik Kowal , Muhammad Danang Birowosuto

We propose a reliable scheme to recover the conventional photon blockade effect in the dispersive Jaynes-Cummings model, which describes a two-level atom coupled to a single-mode cavity field in the large-detuning regime. This is achieved…

Quantum Physics · Physics 2022-01-13 Ya-Ting Guo , Fen Zou , Jin-Feng Huang , Jie-Qiao Liao

Single photons constitute a main platform in quantum science and technology: they carry quantum information over extended distances in the future quantum internet and can be manipulated in advanced photonic circuits enabling scalable…

We propose a technique to improve the probability of single-photon emission with an electrically pumped quantum dot in an optical microcavity, by continuously monitoring the energy state of the dot and using feedback to control when to stop…

Quantum Physics · Physics 2024-01-23 Anirudh Lanka , Todd Brun

Photonic quantum metrology enables the measurement of physical parameters with precision surpassing classical limits by using quantum states of light. However, generating states providing a large metrological advantage is hard because…

Quantum Physics · Physics 2025-02-25 A. Muñoz de las Heras , D. Porras , A. González-Tudela

An emitter in the vicinity of a metal nanostructure is quenched by its decay through non-radiative channels, leading to the belief in a zone of inactivity for emitters placed within $<$10nm of a plasmonic nanostructure. Here we demonstrate…