Results 11 to 20 of about 79,181 (180)

Dispersive coherent Brillouin scattering spectroscopy [PDF]

open access: yesPhotoacoustics, 2023
Frequency- and time-domain Brillouin scattering spectroscopy are powerful tools to read out the mechanical properties of complex systems in material and life sciences.
Ayumu Ishijima   +3 more
doaj   +2 more sources

Large evanescently-induced Brillouin scattering at the surrounding of a nanofibre [PDF]

open access: yesNature Communications, 2022
The authors observe efficient Brillouin scattering generated by an evanescent field nearby a single pass sub-wavelength waveguide. This work creates an important bridge between Brillouin scattering in waveguides, Brillouin spectroscopy and microscopy.
Fan Yang   +7 more
doaj   +2 more sources

Brillouin scattering self-cancellation [PDF]

open access: yesNature Communications, 2016
The interaction between light and acoustic phonons is radically modified in sub-wavelength photonic structures. Here, the authors engineer the optical and acoustic modes to perfectly cancel the two interaction mechanisms—the photo-elastic and moving ...
O. Florez   +6 more
doaj   +4 more sources

Brillouin scattering—theory and experiment: tutorial [PDF]

open access: yesJournal of the Optical Society of America B: Optical Physics, 2021
Brillouin scattering is an important and interesting nonlinear effect involving the interaction between optical and acoustic fields in optical waveguides. It is increasingly useful in the field of photonics, where it supplies a tunable ultra-narrow linewidth response that can be used for applications including sensing, filtering, and lasing, as well as
Christian Wolff   +2 more
exaly   +5 more sources

Improvement of gain and spatial resolution for impulsive stimulated Brillouin scattering microscopy [PDF]

open access: yesPhotoacoustics
Brillouin microscopy has been widely used in the mechanical imaging of cells and tissues, and the signal-to-noise (SNR) ratio limits the spectral integration time.
Taoran Le, Jiarui Li, Haoyun Wei, Yan Li
doaj   +2 more sources

Complete experimental characterization of stimulated Brillouin scattering in photonic crystal fiber [PDF]

open access: yesOptics Express, 2007
International audienceWe provide a complete experimental characterization of stimulated Brillouin scattering in a 160 m long solid-core photonic crystal fiber, including threshold and spectrum measurements as well as positionresolved mapping of the ...
Jean-Charles Beugnot   +2 more
exaly   +6 more sources

On-chip stimulated Brillouin scattering

open access: yesOptics Express, 2011
We demonstrate on-chip stimulated Brillouin scattering (SBS) in an As2S3 chalcogenide rib waveguide. SBS was characterized in a cm long waveguide with a cross-section 4 μm x 850 nm using the backscattered signal and pump-probe technique. The measured Brillouin shift and its full-width at half-maximum (FWHM) linewidth were ~7.7 GHz and 34 MHz ...
Ravi Pant   +2 more
exaly   +4 more sources

Stimulated Brillouin scattering in micro/nanophotonic waveguides and resonators [PDF]

open access: yesNanophotonics
With the ongoing advancement of micro- and nanofabrication techniques, there has been a notable revival of interest in the field of stimulated Brillouin scattering within micro- and nanoscale waveguide structures in recent years.
Ren Linhao   +6 more
doaj   +2 more sources

Contra-intuitive features of time-domain Brillouin scattering in collinear paraxial sound and light beams [PDF]

open access: yesPhotoacoustics, 2020
Time-domain Brillouin scattering is an opto-acousto-optical probe technique for the evaluation of transparent materials. Via optoacoustic conversion, ultrashort pump laser pulses launch coherent acoustic pulses in the sample.
Vitalyi E. Gusev
doaj   +2 more sources

Forward stimulated Brillouin scattering and opto-mechanical non-reciprocity in standard polarization maintaining fibres [PDF]

open access: yesLight: Science & Applications, 2021
Opto-mechanical interactions in guided wave media are drawing great interest in fundamental research and applications. Forward stimulated Brillouin scattering, in particular, is widely investigated in optical fibres and photonic integrated circuits.
Gil Bashan   +6 more
doaj   +2 more sources

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