English
Related papers

Related papers: Nonlinear Nonreciprocal Photocurrents under Phonon…

200 papers

Nonsequential two-photon ionization of inner-shell $np$ subshell of neutral atoms by circularly polarized light is investigated. Detection of subsequent fluorescence as a signature of the process is proposed and the dependence of…

Atomic Physics · Physics 2019-07-17 J. Hofbrucker , A. V. Volotka , S. Fritzsche

The coupling between longitudinal optical (LO) phonons and plasmons plays a fundamental role in determining the performance of doped semiconductor devices. In this work, we report a comparative investigation into the dependence of the…

Materials Science · Physics 2018-05-23 Jianbo Hu , Hang Zhang , Yi Sun , Oleg V. Misochko , Kazutaka G. Nakamura

Converting light into steady currents and spin-currents in two-dimensional (2D) platform is essential for future energy harvesting and spintronics. We show that the giant and modulable bulk photovoltaic effects (BPVEs) can be achieved in…

Materials Science · Physics 2023-01-10 Liang Liu , Weikang Liu , Bin Cheng , Bin Cui , Jifan Hu

The influence of electron--phonon interactions on the dynamics of a quantum dot coupled to a photonic cavity mode is investigated using a nonequilibrium Green's function approach. Within a polaron frame, the self-consistent-Born…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Gaston Hornecker , Alexia Auffèves , Thomas Grange

We present a straightforward and computationally cheap method to obtain the phonon-assisted photocurrent in large-scale devices from first-principles transport calculations. The photocurrent is calculated using nonequilibrium Green's…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Mattias Palsgaard , Troels Markussen , Tue Gunst , Mads Brandbyge , Kurt Stokbro

Brillouin scattering is not usually considered as a mechanism that can cause cooling of a material due to the thermodynamic dominance of Stokes scattering in most practical systems. However, it has been shown in experiments on resonators…

Optics · Physics 2016-12-21 Yin-Chung Chen , Seunghwi Kim , Gaurav Bahl

Statistical properties of optical fields in nonlinear couplers composed of two waveguides in which Raman or Brillouin processes (with classical pumping) are in operation and which are mutually connected through the Stokes and/or anti-Stokes…

Quantum Physics · Physics 2012-08-27 J. Perina, , J. Perina

The $B_c$ meson pair, including pairs of both pseudoscalar states and vector states, productions in high energy photon-photon interaction are investigated at the next-to-leading order (NLO) accuracy in the nonrelativistic quantum…

High Energy Physics - Phenomenology · Physics 2020-07-22 Zi-Qiang Chen , Hao Yang , Cong-Feng Qiao

The nonlinear photon-photon interaction mediated by a single two-level atom is studied theoretically based on a one-dimensional model of the field-atom interaction. This model allows us to determine the effects of an atomic nonlinearity on…

Quantum Physics · Physics 2009-11-10 Kunihiro Kojima , Holger F. Hofmann , Shigeki Takeuchi , Keiji Sasaki

Nonlinear frequency conversion by optical rectification, as well as difference- and sum-frequency generation are fundamental processes for producing electromagnetic radiation at different frequencies. Here, we demonstrate that coherently…

We consider an array of optically levitated nanospheres in vacuum and investigate nontrivial phonon transports in this system. The levitated nanospheres are coupled by optical binding. Key parameters of this system, such as the interaction…

Quantum Physics · Physics 2020-05-01 Shengyan Liu , Zhang-qi Yin , Tongcang Li

Investigating the non-linear transport regime in a quantum dot heat engine described by the Anderson-Holstein model, it is shown that a finite electron-phonon interaction leads to a charge induced phonon generation that stimulates a phonon…

Mesoscale and Nanoscale Physics · Physics 2017-07-27 Bitan De , Bhaskaran Muralidharan

We propose a spinning nonlinear resonator as an experimentally accessible platform to achieve nonreciprocal control of optical solitons. Nonreciprocity here results from the relativistic Sagnac-Fizeau optical drag effect, which is different…

Optics · Physics 2021-06-02 Baijun Li , Şahin. K. Özdemir , Xun-Wei Xu , Lin Zhang , Le-Man Kuang , Hui Jing

Nonlinear optics underpins a broad range of photonic technologies, from classical and quantum light sources to emerging nonlinear photonic neural networks. Yet, conventional nonlinear optical devices exhibit static functionality: their…

Unlocking the vast potential of optical sensing technology has long been hindered by the challenges of achieving fast, sensitive, and broadband photodetection at ambient temperatures. In this review, we summarize recent progress in the…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 Yulin Shen , Louis Primeau , Jiangxu Li , Tuan-Dung Nguyen , David Mandrus , Yuxuan Cosmi Lin , Yang Zhang

We investigate the nonlinear optical response of bulk ZnO under intense short-wave infrared excitation, focusing on the interplay between high-harmonic generation (HHG) and photoluminescence (PL). While HHG exhibits non-perturbative…

We provide the first demonstration of nonlinear self-trapping of light in solutions of food coloring dyes, leading to dirt cheap soliton waveguides. The optical self-focusing nonlinearity observed in such solutions is attributed to the…

Nonlinear optical generation has been a well-established way to realize frequency conversion in nonlinear optics, whereas previous studies were just focusing on the scalar light fields. Here we report a concise yet efficient experiment to…

Optics · Physics 2018-11-20 Li Zhang , Fei Lin , Xiaodong Qiu , Lixiang Chen

Non-linear effects on driven oscillations are important in many fields of physics, ranging from applied mechanics to optics. They are instrumental for quantum applications. A limitation is that the non-linearities known up to now are…

Mesoscale and Nanoscale Physics · Physics 2011-06-22 A. M. Hriscu , Yu. V. Nazarov

Phononic resonators play important roles in settings that range from gravitational wave detectors to cellular telephones. They serve as high-performance transducers, sensors, and filters by offering low dissipation, tunable coupling to…

Optics · Physics 2019-06-19 H. Xu , Luyao Jiang , A. A. Clerk , J. G. E. Harris