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Ultra-short high-power lasers can deliver extreme light intensities ($\ge 10^{20}$ W/cm$^2$ and $\leq 30 f$s) and drive large amplitude Surface Plasma Wave (SPW) at over-dense plasma surface. The resulting current of energetic electron has…

Plasma Physics · Physics 2021-08-16 S. Marini , P. S. Kleij , F. Amiranoff , M. Grech , C. Riconda , M. Raynaud

We measure the time-energy correlation of broadband, spontaneously generated four wave mixing (FWM), and demonstrate novel time-frequency coupling effects; specifically, we observe a power-dependent splitting of the correlation in both…

Optics · Physics 2012-10-09 Rafi Vered , Michael Rosenbluh , Avi Pe'er

An experimental platform operating at the level of individual quanta and providing strong light-matter coupling is a key requirement for quantum information processing. We report on narrowband light storage and retrieval as well as…

Quantum Physics · Physics 2021-01-07 Thorsten Peters , Ta-Pang Wang , Antje Neumann , Lachezar S. Simeonov , Thomas Halfmann

All-optical logic-gate-based switching is a prerequisite for photonic computing. This article introduces a logic-gate protocol for noncollinear four-wave mixing (FWM) of one attosecond extreme ultraviolet (XUV) with two few-femtosecond near…

Optics · Physics 2025-10-02 Patrick Rupprecht , Daniel M. Neumark , Stephen R. Leone

A simple routine is proposed for monitoring the efficiency value of a low pressure pentane filled multi-wire proportional chamber (MWPC) in long term experiments. The proposed algorithm utilizes a two parameter approximation for the…

Instrumentation and Detectors · Physics 2023-08-01 Yu. S. Tsyganov , D. Ibadullayev , A. N. Polyakov , V. B. Zlokazov

One of the major difficulties in realizing a high-dimensional frequency converter for conventional optical vortex (COV) stems from the difference in ring diameter of COV modes with different topological charge numbers l. Here, we implement…

A femtosecond laser pulse is able to switch the magnetic state of a 3d-4f ferrimagnetic material on a pico-second time scale. Devices based on this all-optical switching (AOS) mechanism are competitive candidates for ultrafast memory…

Applied Physics · Physics 2022-01-12 Pingzhi Li , Mark J. G. Peeters , Youri L. W. van Hees , Reinoud Lavrijsen , Bert Koopmans

We measure the high intensity laser propagation throughout meter-scale, channel-guided LPAs by adjusting the length of the plasma channel on a shot-by-shot basis, showing high quality guiding of 500 TW laser pulses over 30 cm in a hydrogen…

Future optical quantum technologies, such as quantum networks, distributed quantum computing and sensing, demand efficient, broadband quantum memories. However, achieving high efficiency without introducing noise, reducing bandwidth, or…

This tutorial provides a joint theoretical and experimental overview of heterodyne wave mixing spectroscopy, focusing mainly on four-wave mixing (FWM). This powerful and versatile time-resolved nonlinear optical spectroscopy technique…

Mesoscale and Nanoscale Physics · Physics 2026-01-12 Daniel Groll , Thilo Hahn , Paweł Machnikowski , Tilmann Kuhn , Jacek Kasprzak , Daniel Wigger

Low-light image enhancement techniques have significantly progressed, but unstable image quality recovery and unsatisfactory visual perception are still significant challenges. To solve these problems, we propose a novel and robust…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Minglong Xue , Jinhong He , Wenhai Wang , Mingliang Zhou

An ideal plasma lens can provide the focusing power of a small f-number, solid-state focusing optic at a fraction of the diameter. An ideal plasma lens, however, relies on a steady-state, linear laser pulse-plasma interaction. Ultrashort…

Plasma Physics · Physics 2016-01-20 J. P. Palastro , D. Gordon , B. Hafizi , L. A. Johnson , J. Penano , R. F. Hubbard , M. Helle , D. Kaganovich

We demonstrate that absorption saturation of a mid-infrared intersubband transition can be engineered to occur at moderate light intensities of the order of 10-20 kW$.$cm$^{-2}$ and at room temperature. The structure consists of an array of…

A quantum interface between microwave and optical photons is essential for entangling remote superconducting quantum processors. To preserve fragile quantum states, a transducer must operate efficiently while generating less than one photon…

Quantum Physics · Physics 2024-06-06 Han Zhao , William David Chen , Abhishek Kejriwal , Mohammad Mirhosseini

In this work we propose an efficient and accurate multi-scale optical simulation algorithm by applying a numerical version of slowly varying envelope approximation in FEM. Specifically, we employ the fast iterative method to quickly compute…

Optics · Physics 2024-12-03 Fan Xiao , Jingwei Wang , Zhongfei Xiong , Yuntian Chen

We demonstrate that the phase-matched dispersive wave (DW) emission within the resonance band of a 25-cm-long gas-filled hollow-core photonic crystal fiber (HC-PCF) can be strongly enhanced by the photoionization effect of the pump pulse.…

Detailed radiation hydrodynamic simulations are carried out to investigate x-ray emission process in four high-Z planar targets namely, tungsten (W), gold (Au), lead (Pb) and uranium (U) irradiated by 1 ns, 351 nm flat top laser pulses. A…

Plasma Physics · Physics 2022-09-14 Gaurav Mishra , Karabi Ghosh

The rapid development of high brilliance X-ray radiation sources is revolutionizing physics, chemistry, and biology research through their novel applications. Another breakthrough is anticipated with the construction of next-generation…

Plasma Physics · Physics 2016-05-11 D. J. Stark , T. Toncian , A. V. Arefiev

Quarter-wave OLEDS are microcavity devices that can operate in the low finesse limit and achieve high efficiency (> 300 lm/W) by using interference to reduce the onset current for the transition to stimulated emission. In this work we study…

Optics · Physics 2016-04-14 Mitchell C. Nelson

We experimentally demonstrate enhanced wavelength conversion in a Q=7500 deeply etched AlGaAs-nanowaveguide microresonator via degenerate continuous-wave four-wave mixing with a pump power of 24 mW. The maximum conversion efficiency is -43…

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