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Quantum lock-in amplification raises the detection sensitivity of magnetic fields to unprecedented levels by phase-locked pumping the Zeeman levels of a single trapped atom. However, random spin precessions limits the useful detection range…

Quantum Physics · Physics 2025-12-08 Yan Zhang , Jing Zhang , Hou Ian

We demonstrate a remarkably effective single-stage compression technique for ultrafast pulses in the visible electromagnetic spectrum using second-harmonic pulses at 515 nmderived from a 1030 nm Yb-based femtosecond regenerative amplifier.…

We report an asymmetric behavior of optical pulses during their propagation through a time-varying linear optical medium. The refractive index of the medium is considered to be varying with time and complex such that a sufficient amount of…

Optics · Physics 2020-07-17 Piyali Biswas , Harsh K. Gandhi , Vaibhab Mishra , Somnath Ghosh

Integrated optics has brought unprecedented levels of stability and performance to quantum photonic circuits. However, integrated devices are not merely micron-scale equivalents of their bulk-optics counterparts. By exploiting the…

Optics · Physics 2016-02-24 Ryan P. Marchildon , Amr S. Helmy

Ion beams generated with ultra-intense lasers-plasma accelerators hold promises to provide compact and affordable beams of relativistic ions. One of the most efficient acceleration setups was demonstrated to be direct acceleration by the…

Plasma Physics · Physics 2018-11-21 F. Mackenroth , S. S. Bulanov

We consider the degrees of controllability of multi-partite quantum systems as well as necessary and sufficient criteria for each case. The results are applied to the problem of simultaneous control of an ensemble of quantum dots with a…

Quantum Physics · Physics 2009-11-11 Sonia G Schirmer , Ivan C H Pullen , Allan I Solomon

Apart from maximizing the strength of optical electromagnetic fields achievable at high-intensity laser facilities, the collision of several phase-matched laser pulses has been theoretically identified as a trigger of and way to study…

Controlling the phase space of particle beams is essential for the generation of high-quality, ultrashort electron beams in plasma-based accelerators. Accurately diagnosing the transient energy chirp, which evolves rapidly at the onset of…

Plasma Physics · Physics 2024-12-20 Zhijun Zhang , Shiyi Zhou , Jiansheng Liu

A formalism for treating the pile-up produced in solid-state detectors by laser-driven pulsed x-ray sources has been developed. It allows the direct use of x-ray spectroscopy without artificially decreasing the number of counts in the…

Instrumentation and Detectors · Physics 2018-06-01 Guillermo Hernández , Francisco Fernández

Light storage in an atomic Bose-Einstein condensate is one of the most practical usage of these coherent atom-optical systems. In order to make them even more practical, it is necessary to enhance our ability to inject multiple pulses into…

Quantum Physics · Physics 2009-11-13 Devrim Tarhan , Alphan Sennaroglu , Ozgur E. Mustecaplioglu

Structured light pulses hold significant promise for their ability to overcome dephasing in laser-wakefield accelerators, that should facilitate applications in high-energy physics and XFEL. Numerical studies have shown that sculpting a…

Accelerator Physics · Physics 2026-04-08 Aaron Liberman , Anton Golovanov , Slava Smartsev , Anda-Maria Talposi , Sheroy Tata , Victor Malka

The sensitivity of the displacement transducer pumped with a train of high-intensity laser pulses is estimated. Due to the multicomponent character of the pump a consideration of transformations of the signal and the noises between optical…

Optics · Physics 2007-05-23 Victor V. Kulagin

The electric field in laser-driven plasma wakefield acceleration is orders of magnitude higher than conventional radio-frequency cavities, but the energy gain is limited by dephasing between the ultra-relativistic electron bunch and the…

Accelerator Physics · Physics 2020-03-18 James D. Sadler , Christopher Arran , Hui Li , Kirk A. Flippo

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…

Quantum Physics · Physics 2009-11-11 Giovanna Morigi , Juergen Eschner , Stefano Mancini , David Vitali

We report our investigation on ultrashort laser pulse optimization using an AI algorithm in a system consisting of a mode-locked oscillator, a spectral phase shaper, and a highly nonlinear amplifier. We analyzed the performance of the pulse…

Optics · Physics 2024-01-02 Mikołaj Krakowski , Alicja Kwaśny , Grzegorz Soboń

Maximizing the information transmission rate through quantum channels is essential for practical implementation of quantum communication. Time-division multiplexing is an approach for which the ultimate rate requires the ability to…

Quantum Physics · Physics 2014-10-17 John M. Donohue , Jonathan Lavoie , Kevin J. Resch

The investigation of the ultimate limits imposed by quantum mechanics on amplification represents an important topic both on a fundamental level and from the perspective of potential applications. We propose here a novel setup for an…

Mesoscale and Nanoscale Physics · Physics 2017-08-04 C. F. Ockeloen-Korppi , T. T. Heikkilä , M. A. Sillanpää , F. Massel

We present an entirely fiber based laser source for non-linear imaging with a novel approach for multi-color excitation. The high power output of an actively modulated and amplified picosecond fiber laser at 1064 nm is shifted to longer…

Light propagation through multimode fibers suffers from spatial distortions that lead to a scrambled intensity profile. In previous work, the correction of such distortions using various wavefront control methods has been demonstrated in…

A pulsed source of energy-time entangled photon pairs pumped by a standard laser diode is proposed and demonstrated. The basic states can be distinguished by their time of arrival. This greatly simplifies the realization of 2-photon quantum…

Quantum Physics · Physics 2016-09-08 J. Brendel , N. Gisin , W. Tittel , H. Zbinden
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