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We investigate the interaction between a superintense laser pulse and a nitrogen plasma with densities exceeding $10^{19}\,$cm$^{-3}$, using particle-in-cell simulations. Such configurations have recently demonstrated the capability to…

等离子体物理 · 物理学 2025-06-06 Lorenzo Martelli , Igor Andriyash , Jonathan Wheeler , Henri Kraft , Xuan Quyen Dinh , Cédric Thaury

We observe growth of shape-controlled potassium nanoparticles inside a random network of glass nanopores, exposed to low-power laser radiation. Visible laser light plays a dual role: it increases the desorption probability of potassium…

原子物理 · 物理学 2014-07-01 L. Marmugi , E Mariotti , A. Burchianti , S. Veronesi , L. Moi , C. Marinelli

A non-equilibrium model for laser-induced plasmas is used to describe how nano-second temporal mode-beating affects plasma kernel formation and growth in quiescent air. The chemically reactive Navier-Stokes equations describe the…

The integration of neutral atoms with nanophotonic structures offer significant potential as a versatile platform to explore fundamental light-matter interactions as well as realizing novel quantum-optical devices. Here, we investigate the…

光学 · 物理学 2018-11-14 Hadiseh Alaeian , Brian C. Odom , Jorge Bravo-Abad

The coherent interaction between a laser-driven single trapped atom and an optical high-finesse resonator allows to produce entangled multi-photon light pulses on demand. The mechanism is based on the mechanical effect of light. The degree…

量子物理 · 物理学 2009-11-11 Giovanna Morigi , Juergen Eschner , Stefano Mancini , David Vitali

We demonstrate a photonic crystal nanocavity laser essentially driven by a self-assembled InAs/GaAs single quantum dot gain. The investigated nanocavities contain only 0.4 quantum dots on an average; an ultra-low density quantum dot sample…

其他凝聚态物理 · 物理学 2015-05-13 Masahiro Nomura , Naoto Kumagai , Satoshi Iwamoto , Yasutomo Ota , Yasuhiko Arakawa

We develop a large scale quantum master equation approach to describe dynamical processes of practical open quantum systems driven by both coherent and stochastic interactions by including more than one thousand true states of the systems,…

原子物理 · 物理学 2016-02-22 Yongqiang Li , Cheng Gao , Wenpu Dong , Jiaolong Zeng , Jianmin Yuan

We report on the higher-order photon correlations of a high-$\beta$ nanolaser under pulsed excitation at room temperature. Using a multiplexed four-element superconducting single photon detector we measured g$^{(n)}(\vec{0})$ with…

Light scattering is one of the most established wave phenomena in optics, lying at the heart of light-matter interactions and of crucial importance for nanophotonic applications. Passivity, causality and energy conservation imply strict…

光学 · 物理学 2022-11-23 Seunghwi Kim , Sergey Lepeshov , Alex Krasnok , Andrea Alù

We consider a quantum model of a nanomechanical flexing beam resonator interacting with a bath comprising a few damped tunneling two level systems (TLS's). In contrast with a resonator interacting bilinearly with an ohmic free oscillator…

介观与纳米尺度物理 · 物理学 2009-12-06 L. G. Remus , M. P. Blencowe , Y. Tanaka

We propose and design a high-brightness, ultra-compact electrically pumped GaSb-based laser source of entangled photons generated by mode-matched intracavity parametric down-conversion of lasing modes. To describe the nonlinear mixing in…

量子物理 · 物理学 2022-03-23 Mikhail Tokman , Yongrui Wang , Qianfan Chen , Leon Shterengas , Alexey Belyanin

We propose a novel platform for the investigation of quantum wave packet dynamics, offering a complementary approach to existing theoretical models and experimental systems. It relies on laser-cooled neutral atoms which orbit around an…

量子物理 · 物理学 2013-06-11 Fam Le Kien , Kohzo Hakuta , Philipp Schneeweiss , Arno Rauschenbeutel

In this theoretical study, the problem of self-focusing of an X-ray intense laser beam in the thermal quantum plasma is studied. Using a relativistic fluid model and taking into account the hydrodynamic pressure of degenerate electrons in…

等离子体物理 · 物理学 2018-11-14 Ramin Roozehdar Mogaddam , Naser Sepehri Javan , K. Javidan , Hosein Mohammadzadeh

Nanoscale quantum optics explores quantum phenomena in nanophotonics systems for advancing fundamental knowledge in nano and quantum optics and for harnessing the laws of quantum physics in the development of new photonics-based…

We calculate the quantum state of the plasmon field excited by an ensemble of molecular emitters, which are driven by exchange of electrons with metallic nano-particle electrodes. Assuming identical emitters that are coupled collectively to…

光学 · 物理学 2016-07-20 Yuan Zhang , Klaus Mølmer , Volkhard May

Photon statistical measurements on a semiconductor microlaser, obtained using single-photon counting techniques, show that a newly discovered spontaneous pulsed emission regime possesses superthermal statistical properties. The observed…

光学 · 物理学 2020-07-01 T. Wang , D. Aktas , O. Alibart , É. Picholle , G. P. Puccioni , S. Tanzilli , G. L. Lippi

We present a quantum theoretical treatment of light-matter coupling in the system consisting of a quantum dot and a spherical core-shell metal-dielectric multilayer nanoparticle. It is shown that both weak and strong coupling regimes can be…

光学 · 物理学 2015-12-18 Mehedi Hasan , Ivan Iorsh , Pavel Belov

When a pump beam is propagating through a silicon nanophotonic waveguide, a very small fraction of the light is scattered to other frequencies. At very low intensity, the amount of scattered light is proportional to the power of the pump…

量子物理 · 物理学 2015-05-27 S. Clemmen , A. Perret , J. Saffioui , W. Bogaerts , R. Baets , S. -P. Gorza , Ph. Emplit , S. Massar

On-chip quantum sources based on nonlinear processes are pivotal components in integrated photonics, driving significant advancements in quantum information technologies over recent decades. Usually, the pump coherence has been considered…

We investigate the steady state of a system of photons in a pumped dye-filled microcavity. By varying pump and thermalization the system can be tuned between Bose-Einstein condensation, multimode condensation, and lasing. We present a rich…

量子气体 · 物理学 2018-01-31 Henry J. Hesten , Robert A. Nyman , Florian Mintert