English
Related papers

Related papers: Subthreshold phonon generation in an optomechanica…

200 papers

We study both experimentally and theoretically the generation of photon pairs by spontaneous four-wave mixing (SFWM) in standard birefringent optical fibers. The ability to produce a range of two-photon spectral states, from highly…

Quantum Physics · Physics 2010-02-09 Brian J. Smith , P. Mahou , Offir Cohen , J. S. Lundeen , I. A. Walmsley

We investigate full quantum mechanical evolution of two electrons nonlinearly coupled to quantum phonons and simulate the dynamical response of the system subject to a short spatially uniform optical pulse that couples to dipole-active…

Statistical Mechanics · Physics 2025-03-06 K. Kovač , D. Golež , M. Mierzejewski , J. Bonča

The production of single photons using rephased amplified spontaneous emission is examined. This process produces single photons on demand with high efficiency by detecting the spontaneous emission from an atomic ensemble, then applying a…

Recent works have shown that collective single photon spontaneous emission from an ensemble of $N$ resonant two-level atoms is a rich field of study. Superradiance describes emission from a completely symmetric state of $N$ atoms, with a…

Quantum Physics · Physics 2023-09-27 Nicola Piovella , Stefano Olivares

Phonon nonlinearities play an important role in hybrid quantum networks and on-chip quantum devices. We investigate the phonon statistics of a mechanical oscillator in hybrid systems composed of an atom and one or two standard…

Quantum Physics · Physics 2018-06-12 Mei Wang , Xin-You Lü , Adam Miranowicz , Tai-Shuang Yin , Ying Wu , Franco Nori

We show how an exceptional point of degeneracy (EPD) is formed in a system composed of an electron beam interacting with an electromagnetic mode guided in a slow wave structure (SWS) with distributed power extraction from the interaction…

Applied Physics · Physics 2020-07-29 Tarek Mealy , Ahmed F. Abdelshafy , Filippo Capolino

Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is…

Quantum Physics · Physics 2024-01-31 Zhi-Yuan Fan , Liu Qiu , Simon Gröblacher , Jie Li

We propose sub-harmonic resonant optical excitation with femtosecond lasers as a new method for the characterization of phononic and nanomechanical systems in the gigahertz to terahertz frequency range. This method is applied for the…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 A. Bruchhausen , R. Gebs , F. Hudert , D. Issenmann , G. Klatt , A. Bartels , O. Schecker , R. Waitz , A. Erbe , E. Scheer , J. -R. Huntzinger , A. Mlayah , T. Dekorsy

We propose a scheme generating robust squeezed light by using double cavity optomechanical system driven by a blue detuned laser in one cavity and by a red detuned laser in the other. This double cavity system is shown to mimic effectively…

Quantum Physics · Physics 2014-11-14 Kenan Qu , G. S. Agarwal

The effects of the electron-phonon interaction on optical excitations can be understood in terms of exciton-phonon coupling, and require a careful treatment in low-dimensional materials with strongly bound excitons or strong electron-hole…

Materials Science · Physics 2022-02-17 Gabriel Antonius , Steven G. Louie

We have investigated the phonon dynamics of a single-molecule embedded in a mechanical resonator made of an organic crystal. The whole system is placed in an optical resonator within the bad cavity limit. We have found that the optical…

Quantum Physics · Physics 2024-01-05 Victor Ceban , Mihai A. Macovei

We report on unusual regimes of operation of a laser with a gain medium with a large Raman scattering cross-section, which is often inherent in new types of gain media such as colloidal and epitaxial quantum dots and perovskite materials.…

Superscattering, i.e., a phenomenon of the scattering cross section from a subwavelength object exceeding the single-channel limit, has important prospects in enhanced sensing/spectroscopy, solar cells, and biomedical imaging.…

We present a novel and simple picture of the generation dynamics of coherent longitudinal optical (LO) phonons and LO-phonon-plasmon-coupled (LOPC) modes by the ultrafast infrared pump-pulses in gallium arsenide (GaAs) employing the…

Materials Science · Physics 2024-05-14 Itsuki Takagi , Yuma Konno , Yosuke Kayanuma , Kazutaka G. Nakamura

Rapidly rotating black holes are known to develop instabilities in the presence of a sufficiently light boson, a process which becomes efficient when the boson's Compton wavelength is roughly the size of the black hole. This phenomenon,…

High Energy Physics - Phenomenology · Physics 2021-01-04 Diego Blas , Samuel J. Witte

Due to their ability to confine light, optical resonators are of great importance to science and technology, yet their performances are often limited by out-of-plane scattering losses from inevitable fabrication imperfections. Here, we…

Optics · Physics 2020-01-08 Jicheng Jin , Xuefan Yin , Liangfu Ni , Marin Soljačić , Bo Zhen , Chao Peng

The controlled interaction between a single, trapped, laser-driven atom and the mode of a high-finesse optical cavity allows for the generation of temporally separated, entangled light pulses. Entanglement between the photon-number…

Quantum Physics · Physics 2009-11-13 David Vitali , Priscilla Canizares , Juergen Eschner , Giovanna Morigi

Metamaterials made of periodic arrangements of electric permittivity and magnetic permeability and arrays of resonators can provide optic properties unexperienced in conventional materials, such as negative refractive index which can be…

Optics · Physics 2018-01-16 Yuan Li , Yong Sun , Weiwei Zhu , Zhiwei Guo , Jun Jiang , Toshikaze Kariyado , Hong Chen , Xiao Hu

The concept of cavity funneling has emerged recently as a promising route towards creating indistinguishable photons from highly dephased emitters. So far, all suggested solutions are solely based on dielectric cavities that require…

Quantum Physics · Physics 2026-04-22 Anastasios Fasoulakis , Ross C. Schofield , Rupert F. Oulton , Alex S. Clark

In a semiconductor illuminated by a strong terahertz field, optically excited electron-hole pairs can recombine to emit light in a broad frequency comb evenly spaced by twice the terahertz frequency. Such high-order terahertz sideband…

Mesoscale and Nanoscale Physics · Physics 2015-01-20 J. A. Crosse , Xiaodong Xu , Mark S. Sherwin , R. B. Liu
‹ Prev 1 8 9 10 Next ›