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We investigate scattering of lattice laser radiation in a strontium optical lattice clock and its implications for operating clocks at interrogation times up to several tens of seconds. Rayleigh scattering does not cause significant…

Atomic Physics · Physics 2018-07-20 Sören Dörscher , Roman Schwarz , Ali Al-Masoudi , Stephan Falke , Uwe Sterr , Christian Lisdat

Interaction of a high intensity short laser pulse with near-critical plasmas allows to achieve extremely high coupling efficiency and transfer laser energy to energetic ions. One dimensional Particle-In-Cell (PIC) simulations are considered…

Plasma Physics · Physics 2017-01-25 J. G. Moreau , E. d'Humières , R. Nuter , V. T. Tikhonchuk

Laser-driven operations are a common approach for engineering one- and two-qubit gates in trapped-ion arrays. Measuring key parameters of these lasers, such as beam sizes, intensities, and polarizations, is central to predicting and…

Quantum Physics · Physics 2025-11-03 Ilyoung Jung , Frank G. Schroer , Philip Richerme

A theoretical description of electronic Raman scattering from GaAs/Al_{x}Ga_{1-x}As artificial atoms under the influence of an external magnetic field is presented. Raman spectra with laser excitation energy in the interval E_{gap}-30 meV…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alain Delgado , Augusto Gonzalez , D. J. Lockwood , ;

Recently, the verification of stimulated Raman side-scattering (SRSS) in different laser inertial confinement fusion ignition schemes poses an underlying risk of SRSS on ignition. In this paper, we propose a method to use the non-uniform…

Plasma Physics · Physics 2023-05-12 Xiaobao Jia , Qing Jia , Rui Yan , Jian Zheng

Radiative transfer equations are derived and solved for the stimulated Raman scattering of water maser lines in the astrophysical plasmas with electron density of about 10^6 - 10^7 cm-3. In stimulated Raman scattering, the energy of water…

Astrophysics · Physics 2009-10-31 R. T. Gangadhara , Shuji Deguchi , H. Lesch

Accurate measurements of the dependence of low-frequency Raman scattering on the scattering angle were performed in two silica glasses. By a comparison of spectra measured at a large scattering angle (close to back scattering) and a small…

Soft Condensed Matter · Physics 2009-10-31 N. V. Surovtsev , J. Wiedersich , V. N. Novikov , E. R"ossler , E. Duval

Manipulating and controlling the optical energy flow inside random media is a research frontier of photonics and the basis of novel laser designs. In particular, light amplification in randomly dispersed active inclusions under external…

Optics · Physics 2015-12-15 Andrea Marini , F. Javier García de Abajo

We show that (near-)zero energy proton emission from H$_2^+$ in strong two-color and broadband laser fields is dominated by a stimulated Raman scattering process taking place on the electronic ground state. It is furthermore shown that in…

We report on experimental realization of impulsive rotational Raman scattering from neutral nitrogen molecules in a femtosecond laser filament using an intense self-induced white-light seeding "air laser" generated during the filamentation…

We demonstrate that a mm-scale free electron laser can operate in the X-ray range, in the interaction between a moderately relativistic electron bunch, and a transverse high intensity optical lattice. The corrugated light-induced…

Plasma Physics · Physics 2015-06-12 Igor Andriyash , Emmanuel D'Humieres , Vladimir Tikhonchuk , Philippe Balcou

Frequency combs have revolutionized optical frequency metrology, allowing one to determine highly accurate transition frequencies of a wealth of molecular species. Despite a recognized scientific interest, these progresses have only…

The nature of enhanced photoemission in disordered and amorphous solids is an intriguing open question. A point in case is light emission in silicon, which occurs when the material is porous or nanostructured, but the effect is absent in…

Spontaneous vibrational Raman scattering is a ubiquitous form of light-matter interaction whose description necessitates quantization of the electromagnetic field. It is usually considered as an incoherent process because the scattered…

Quantum Physics · Physics 2023-07-18 Valeria Vento , Santiago Tarrago Velez , Anna Pogrebna , Christophe Galland

We demonstrate stimulated Raman gain using a broadband LED Stokes source to measure vibrational spectra of aqueous glucose solutions. This versatile and cost-effective method increases Raman signal for a variety of applications. We measured…

Applied Physics · Physics 2018-09-14 Peter Bullen , Ioannis Kymissis , Adler Perotte

We propose to use Bragg spectroscopy to measure the excitation spectrum of the Mott insulator state of an atomic Bose gas in an optical lattice. We calculate the structure factor of the Mott insulator taking into account both the selfenergy…

Statistical Mechanics · Physics 2014-10-13 D. Van Oosten , D. B. M. Dickerscheid , P. van der Straten , H. T. C. Stoof

Spontaneous photon scattering by an atomic qubit is a notable example of environment-induced error and is a fundamental limit to the fidelity of quantum operations. In the scattering process the qubit loses its distinctive and coherent…

Quantum Physics · Physics 2015-06-03 Nitzan Akerman , Shlomi Kotler , Yinnon Glickman , Roee Ozeri

Currently, no light source exists which is both narrow-band and speckle-free with sufficient brightness for full-field imaging applications. Light emitting diodes (LEDs) are excellent spatially incoherent sources, but are tens of nanometers…

We explore coherent control of stimulated Raman scattering in the nonimpulsive regime. Optical pulse shaping of the coherent pump field leads to control over the stimulated Raman output. A model of the control mechanism is investigated.

Quantum Physics · Physics 2009-11-10 B. J. Pearson , P. H. Bucksbaum

A consistent calculation of resonant inelastic (Raman) scattering amplitudes for relatively large quantum dots, which takes account of valence-band mixing, discrete character of the spectrum in intermediate and final states, and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Alain Delgado , Augusto Gonzalez
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