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Collision of ultra-intense optical laser and X-ray free electron laser (XFEL) pulses is a promising approach to detecting nonlinear vacuum polarization (VP), a long-standing prediction of quantum electrodynamics remaining to be tested.…

Stimulated Brillouin scattering (SBS) has many applications, for example, in sensing, microwave photonics and signal processing. Here we report the first experimental study of SBS in chiral photonic crystal fiber (PCF), which displays…

We investigate the phase interference effects in the nonlinear Compton scattering via the collision between an high-energy electron and the laser in the intermediate intensity region, and reveal that the importance of interference effects…

High Energy Physics - Phenomenology · Physics 2025-09-15 Zu-dong Zhao , Suo Tang

We demonstrate low-frequency interferometric impulsive stimulated Raman scattering (ISRS) imaging with high robustness to distortions by optical scattering. ISRS is a pump-probe coherent Raman spectroscopy that can capture Raman vibrational…

We demonstrate a method to double the collection efficiency in Laser Tweezers Raman Spectroscopy (LTRS) by collecting both the forward and back-scattered light in a single-shot multitrack measurement. Our method can collect signals at…

Optics · Physics 2021-06-09 Tobias Dahlberg , Magnus Andersson

In the paper, we present theoretical calculations of the cross section for inelastic light scattering by electronic excitations in a quantum dot charged with 42 electrons. The many-electron states involved in the computations are obtained…

Mesoscale and Nanoscale Physics · Physics 2008-07-10 Alain Delgado , Augusto Gonzalez , D. J. Lockwood

Lead sulfide is an important semiconductor that has found technological applications for over a century. Raman spectroscopy, a standard tool for the investigation and characterization of semiconductors, has limited application to this…

Materials Science · Physics 2015-05-13 P. G. Etchegoin , M. Cardona , R. Lauck , R. J. H. Clark , J. Serrano , A. H. Romero

Spectroscopic stimulated Raman scattering (SRS) imaging has become a useful tool finding a broad range of applications. Yet, wider adoption is hindered by the bulky and environmentally-sensitive solid-state optical parametric oscillator…

Optics · Physics 2021-08-20 Hongli Ni , Peng Lin , Yifan Zhu , Meng Zhang , Yuying Tan , Yuewei Zhan , Ji-Xin Cheng

We report on experimental observation of electromagnetically induced transparency and slow-light (vg ~ c/607) in atomic sodium vapor, as a potential medium for a recently proposed experiment on slow-light enhanced relative rotation sensing…

Quantum Physics · Physics 2009-11-11 Renu Tripathi , G. S. Pati , M. Messall , K. Salit , M. S. Shahriar

We propose a new formulation for atomic side mode dynamics from super-radiant light scattering of trapped atoms. A detailed analysis of the recently observed super-radiant light scattering from trapped bose gases [S. Inouye {\it et al.},…

Condensed Matter · Physics 2009-10-31 Ozgur E. Mustecaplioglu , L. You

We consider backscattering of laser pulses in strongly-magnetized plasma mediated by kinetic magnetohydrodynamic waves. Magnetized low-frequency scattering, which can occur when the external magnetic field is neither perpendicular nor…

Plasma Physics · Physics 2019-07-17 Matthew R. Edwards , Yuan Shi , Julia M. Mikhailova , Nathaniel J. Fisch

Stimulated Raman scattering (SRS) microscopy offers great potential to surpass fluorescent-based approaches, owing to the sharp linewidth of Raman vibrations amenable to super-multiplex cell imaging, but currently lacks one crucial…

Coherent optomechanical interaction between acoustic and optical waves known as stimulated Brillouin scattering (SBS) can enable ultra-high resolution signal processing and narrow linewidth lasers important for next generation wireless…

The G230LB grating used with STIS's CCD detector scatters red light. In red objects, the scattered light mingles with the ultraviolet signal, causing spurious short-wavelength flux and weakening absorption features. Recent calibration…

Instrumentation and Methods for Astrophysics · Physics 2022-11-10 Guy Worthey , Tathagata Pal , Islam Khan , Xiang Shi , Ralph C. Bohlin

We present a systematic theoretical study of the Raman scattering effect for a two-level atomic system in near proximity of an ultrathin dielectric film with an embedded parallel array of periodically aligned single-wall semiconducting…

Mesoscale and Nanoscale Physics · Physics 2026-04-21 SK Firoz Islam , Michael Dean Pugh , Igor V. Bondarev

To date, two types of coupling between electromagnetic radiation and a crystal lattice have been identified experimentally. One is direct, for infrared (IR)-active vibrations that carry an electric dipole. The second is indirect, it occurs…

We investigate the propagation of surface-enhanced resonant Raman scattering (SERRS) light by several micrometers through a one-dimensional hotspot (1D HS) located between a plasmonic nanowire dimer (NWD). The propagation exhibits the…

Optics · Physics 2021-06-23 Tamitake Itoh , Yuko S. Yamamoto , Jeyadevan Balachandran

Miniaturized photonic cavities generating nonlinear optical states of light are central to telecommunications and metrology applications. The emergence of such states is primarily underpinned by the ubiquitous Kerr nonlinearity that is…

Stimulated Raman scattering (SRS) microscopy is a powerful label-free imaging technique that probes the vibrational response of chemicals with high specificity and sensitivity. High-power, quantum-enhanced SRS microscopes have been recently…

A statistical model for forward stimulated Brillouin scattering (FSBS) is developed for a spatially incoherent, monochromatic, laser beam propagating in a plasma. A threshold for the average power in a speckle is found, well below the…

Plasma Physics · Physics 2015-05-13 M. Grech , G. Riazuelo , D. Pesme , S. Weber , V. T. Tikhonchuk