Results 61 to 70 of about 41,857 (210)

Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering

Applied Sciences, 2018
We theoretically study the mechanism of the all-optical magnetic switching by combining the Rashba effect and stimulated Raman scattering. In hydrogenlike systems, we show that the Rashba effect splits the energy band and stimulated Raman scattering ...
Yuhao Zou, Haiwei Wang, Yao Xiao, Zhihao Zeng, Lanlan Huang, Kai Wang, Sicong Wang, Xiangping Li, Changsheng Xie   +8 more
doaj   +1 more source

Raman solitons in transient SRS

, 2000
We report the observation of Raman solitons on numerical simulations of transient stimulated Raman scattering (TSRS) with small group velocity dispersion. The theory proceeds with the inverse scattering transform (IST) for initial-boundary value problems
Agrawall G P, Boiti M, F Pempinelli, J Leon, J-G Caputo, Levi D, M Boiti, Newell A C, Steudel H, Wenzel R G, Yariv A   +10 more
core   +1 more source

Cavity-enhanced Raman Microscopy of Individual Carbon Nanotubes [PDF]

, 2016
Raman spectroscopy reveals chemically specific information and provides label-free insight into the molecular world. However, the signals are intrinsically weak and call for enhancement techniques.
Hofmann, Matthias S., Hunger, David, Hänsch, Theodor W., Högele, Alexander, Hümmer, Thomas, Noe, Jonathan   +5 more
core   +2 more sources

Stimulated Electronic X-Ray Raman Scattering [PDF]

Physical Review Letters, 2013
We demonstrate strong stimulated inelastic x-ray scattering by resonantly exciting a dense gas target of neon with femtosecond, high-intensity x-ray pulses from an x-ray free-electron laser (XFEL). A small number of lower energy XFEL seed photons drive an avalanche of stimulated resonant inelastic x-ray scattering processes that amplify the Raman ...
Weninger, C., Purvis, M., Ryan, D., London, R., Bozek, J., Bostedt, C., Graf, A., Brown, G., Rocca, J., Rohringer, N.   +9 more
openaire   +5 more sources

Defects Dynamic in Photo‐Excited CeO2 and their Influence on CO2 Photoreduction

Advanced Functional Materials, EarlyView.
X‐ray photoelectron spectroscopy study under light excitation is presented to track the defect dynamic (Ce4+ to Ce3+) in CeO2. Surface enhanced Raman spectroscopy confirmed the key role of Ce3+ states in controlling charge and energy transfer across the CeO2‐dye molecule interface.
Rambabu Yalavarthi, Shashi B. Mishra, Olivier Henrotte, Emiliano Cortes   +3 more
wiley   +1 more source

Continuous-wave Cascaded-Harmonic Generation and Multi-Photon Raman Lasing in Lithium Niobate Whispering-Gallery Resonators [PDF]

, 2011
We report experimental demonstration of continuous-wave cascaded-harmonic generation and Raman lasing in a millimeter-scale lithium niobate whispering-gallery resonator pumped at a telecommunication-compatible infrared wavelength.
Jeremy Moore, Matthew Tomes, Mona Jarrahi, Schaufele R. F., Tal Carmon   +4 more
core   +1 more source

Multicolor Optoelectronic Synapse Enabled by Photon‐Modulated Remote Doping in Solution‐Processed Van Der Waals Heterostructures

Advanced Functional Materials, EarlyView.
Multicolor optoelectronic synapses are realized by vertically integrating solution‐processed MoS2 thin‐film and SWCNT. The electronically disconnected but interactive MoS2 enables photon‐modulated remote doping, producing a bi‐directional photoresponse.
Jihyun Kim, Hyunbin Kim, Gang Jin Cheon, Dohyun Lee, In Soo Kim, Uiyeon Won, Jongseok Lee, Sang Min Won, Joohoon Kang   +8 more
wiley   +1 more source

A Comprehensive Review on Amplification of Laser Pulses via Stimulated Raman Scattering and Stimulated Brillouin Scattering in Plasmas

Plasma, 2022
The demand for high-intensity lasers has grown ever since the invention of lasers in 1960, owing to their applications in the fields of inertial confinement fusion, plasma-based relativistic particle accelerators, complex X-ray and gamma-ray sources, and
Renju Miriam Cheriyan, Nikhil Varghese, R. S. Sooraj, Kavya H. Rao, N. Smijesh   +4 more
doaj   +1 more source

Superchemistry: dynamics of coupled atomic and molecular Bose-Einstein condensates [PDF]

, 2000
We analyze the dynamics of a dilute, trapped Bose-condensed atomic gas coupled to a diatomic molecular Bose gas by coherent Raman transitions. This system is shown to result in a new type of `superchemistry', in which giant collective oscillations ...
A. A. Abrikosov, A. L. Fetter, B. A. Malomed, C. C. Bradley, C. C. Tsai, C. J. Myatt, C. K. Law, D. F. Walls, D. J. Heinzen, H. Pu, J. L. Bohn, J. L. Roberts, J. M. Vogels, K. B. Davis, K. Burnett, K. Burnett, K. V. Kheruntsyan, L. A. Wu, L. Deng, M. A Kasevich, M. H. Anderson, M. R. Matthews, M. Rosenbluh, M.-O. Mewes, N. P. Proukakis, P. D. Drummond, P. D. Drummond, P. D. Drummond, P. N. Butcher, P. O. Fedichev, P. S. Julienne, Ph. Courteille, R. Friedberg, Roahn Wynar, S. Inouye, S. S. Schweber   +35 more
core   +2 more sources

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

Advanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin, Wenhao Wang, Thomas Caiwei Tan, Abhishek Kumar, Ridong Jia, Nikhil Navaratna, Ranjan Singh, Lijuan Xie   +7 more
wiley   +1 more source