English
Related papers

Related papers: Suppressing stimulated Raman side-scattering by ve…

200 papers

A 1D, steady-state model for Brillouin and Raman backscatter from an inhomogeneous plasma is presented. The daughter plasma waves are treated in the strong damping limit, and have amplitudes given by the (linear) kinetic response to the…

Plasma Physics · Physics 2008-11-11 D. J. Strozzi , E. A. Williams , D. E. Hinkel , D. H. Froula , R. A. London , D. A. Callahan

The hybrid Stimulated Raman Scattering - Two Plasmon Decay instability had shown to play the dominant role for plasma waves excitation and energy absorption at interaction of very intense femtosecond obliquely incident $p$-polarized laser…

Plasma Physics · Physics 2021-01-04 I. Tsymbalov , D. Gorlova , A. Savel'ev

Surface enhanced Raman scattering (SERS) effects on tin dioxide in the form of bulk material, nanostructured thin films and colloidal solutions were investigated. Raman spectra are characterized by the three Raman scattering peaks at 478,…

Materials Science · Physics 2015-06-03 Enza Fazio , Fortunato Neri , Salvatore Savasta , Salvatore Spadaro , Sebastiano Trusso

Recent theoretical studies of Stimulated Brillouin Scattering (SBS) in nanoscale devices have led to an intense research effort dedicated to the demonstration and application of this nonlinearity in on-chip systems. The key feature of SBS…

We use coherent backscattering (CBS) of light by cold Strontium atoms to study the mutual coherence of light waves in the multiple scattering regime. As the probe light intensity is increased, the atomic optical transition starts to be…

Atomic Physics · Physics 2009-11-10 T Chaneliere , D Wilkowski , Y Bidel , R Kaiser , C Miniatura

We present a generalization of the diagrammatic pump-probe approach to coherent backscattering (CBS) of intense laser light for atoms with degenerate energy levels. We employ this approach for a characterization of the double scattering…

Quantum Physics · Physics 2016-03-02 V. N. Shatokhin , R. Blattmann , T. Wellens , A. Buchleitner

The principle and experimental realization of a novel Raman spectroscopic technique entitled stimulated Raman phase shift (SRPS) spectroscopy was demonstrated. This technique depends on the measurement of the stimulated Raman scattering…

Optics · Physics 2024-03-07 Meng Qi , Wenrong Wang , Yuan-ji Li , Jin-xia Feng , Kuan-shou Zhang

The bosonisation technique is used to calculate the resonant Raman spectrum of a quantum wire with two electronic sub-bands occupied. Close to resonance, the cross section at frequencies in the region of the inter sub-band transitions shows…

Strongly Correlated Electrons · Physics 2009-11-07 E. Mariani , M. Sassetti , B. Kramer

An accurate, closed-form expression evaluating the nonlinear interference (NLI) power in coherent optical transmission systems in the presence of inter-channel stimulated Raman scattering (ISRS) is derived. The analytical result enables a…

Signal Processing · Electrical Eng. & Systems 2019-05-22 Daniel Semrau , Robert I. Killey , Polina Bayvel

The inelastic scatterings of matter systems, such as Raman scattering, contain rich information on mechanical vibrations like as resonant frequencies, which lead to various applications, for example, a sensor for specific molecules.…

Quantum Physics · Physics 2021-10-04 Sho Tamaki , Tomohiro Yokoyama , Hajime Ishihara

We report on the experimental demonstration of cross-polarization backward stimulated Brillouin scattering (BSBS) in lithium niobate on insulator (LNOI) waveguides. Performing polarization-sensitive pump and probe measurements, we captured…

We consider the role of a propagation effect such as the stimulated Raman scattering on the polarization of radio pulses. When an intense electromagnetic wave with frequency close to the plasma frequency interacts with the plasma in the…

Astrophysics · Physics 2009-10-31 R. T. Gangadhara , H. Lesch , V. Krishan

A scheme of soft-xray radiation is proposed. In the scheme, a moderately intense laser excites plasmons via the two-plasmon decay in a relativistic electron beam. As the second laser encounters the electron beam in the opposite direction,…

Plasma Physics · Physics 2020-03-05 S. Son

We have employed the method of spectral moments to study the density of vibrational states and the Raman coupling coefficient of large 2- and 3- dimensional percolators at threshold and at higher concentration. We first discuss the over-and…

Condensed Matter · Physics 2009-10-28 G. Viliani , R. Dell'Anna , O. Pilla , M. Montagna , G. Ruoco , G. Signorelli , V. Mazzacurati

Double-resonance optically pumped magnetometers are an attractive instrument for unshielded magnetic field measurements due to their wide dynamic range and high sensitivity. Use of linearly polarised pump light creates alignment in the…

Atomic Physics · Physics 2018-09-26 Stuart J. Ingleby , Carolyn O'Dwyer , Paul F. Griffin , Aidan S. Arnold , Erling Riis

We perform 1D particle-in-cell (PIC) simulations using OSIRIS, which model a short-duration (~500/{\omega}0 FWHM) scattered light seed pulse in the presence of a constant counter-propagating pump laser with an intensity far below the…

Optical systems are scalable under low-intensity illumination since their governing equations are linearly dependent of the optical signal strength. Nonetheless, in high-intensity regimes, the induced polarization becomes nonlinear,…

We study the scattering problem of photon and polariton in a one-dimensional coupled-cavity system. Analytical approximate analysis and numerical simulation show that a photon can stimulate the photon emission from a polariton through…

Quantum Physics · Physics 2016-02-17 Ci. Li , Zhi. Song

A theory of resonant Raman scattering spectroscopy of one dimensional electronic systems is developed on the assumptions that (i) the excitations of the one dimensional electronic system are described by the Luttinger Liquid model, (ii)…

Strongly Correlated Electrons · Physics 2016-08-31 D. -W. Wang , A. J. Millis , S. Das Sarma

As light propagates along a waveguide, a fraction of the field can be reflected by Rayleigh scatterers. In high-quality-factor whispering-gallery-mode microresonators, this intrinsic backscattering is primarily caused by either surface or…

‹ Prev 1 4 5 6 7 8 10 Next ›