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   Articles with "brillouin" as a keyword



A tunable multi-wavelength Brillouin–erbium fiber laser with fourfold Brillouin frequency spacing

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recommendations! Published in 2017 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-017-0979-6

Abstract: We have experimentally demonstrated a tunable multi-wavelength Brillouin–erbium fiber laser with over 40 GHz spacing utilizing two cascaded double Brillouin-frequency-spacing cavities. In this laser configuration, two segments of 25 km-long single-mode fibers are used as Brillouin gain… read more here.

Keywords: wavelength brillouin; multi wavelength; brillouin erbium; brillouin ... See more keywords

Peculiarities of Phonon Spectra of Crystals with Cuprite Lattice Due to Sublattice Structure

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recommendations! Published in 2020 at "Russian Physics Journal"

DOI: 10.1007/s11182-021-02279-5

Abstract: The different translational symmetry of the cuprite crystal sublattices is taken into account by unfolding the phonon spectrum from the Brillouin zone of the crystal into the Brillouin zones of the anion and metal. Such… read more here.

Keywords: sublattice; brillouin zones; metal; peculiarities phonon ... See more keywords
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A Simple and accurate method for Brillouin spectroscopy based on virtual imaging phased array spectrometer and charge-coupled device cameras

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recommendations! Published in 2021 at "Optics Communications"

DOI: 10.1016/j.optcom.2021.126821

Abstract: Abstract Brillouin spectroscopy is a powerful tool that enables a non-destructive and non-invasive assessment of the mechanical properties of a material. In recent years, virtual imaging phase array (VIPA) spectrometers have been widely used to… read more here.

Keywords: virtual imaging; spectroscopy; charge coupled; method ... See more keywords
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Interplay of Cascaded Raman- and Brillouin-like Scattering in Nanostructured Optical Waveguides

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recommendations! Published in 2017 at "ACS Photonics"

DOI: 10.1021/acsphotonics.7b01354

Abstract: We formulate a generic concept of engineering optical modes and mechanical resonances in a pair of optically coupled light-guiding membranes for achieving cascaded light scattering to multiple Stokes and anti-Stokes orders. Light pressure exerted on… read more here.

Keywords: interplay cascaded; brillouin like; cascaded raman; light scattering ... See more keywords

Self-driving microscopy detects the onset of protein aggregation and enables intelligent Brillouin imaging

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recommendations! Published in 2025 at "Nature Communications"

DOI: 10.1038/s41467-025-60912-0

Abstract: The process of protein aggregation, central to neurodegenerative diseases like Huntington’s, is challenging to study due to its unpredictable nature and relatively rapid kinetics. Understanding its biomechanics is crucial for unraveling its role in disease… read more here.

Keywords: microscopy; self driving; protein aggregation; aggregation ... See more keywords

Compact and high-resolution spectrometer via Brillouin integrated circuits.

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recommendations! Published in 2025 at "Nature communications"

DOI: 10.1038/s41467-025-66638-3

Abstract: Optical spectrometers are indispensable tools across various fields, from chemical and biological sensing to astronomical observations and quantum technologies. However, the integration of spectrometers onto photonic chips has been hindered by the low spectral resolution… read more here.

Keywords: resolution spectrometer; resolution; brillouin; compact high ... See more keywords

The effect of pressure on spontaneous Rayleigh–Brillouin scattering spectrum in nitrogen

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recommendations! Published in 2018 at "Journal of Modern Optics"

DOI: 10.1080/09500340.2017.1416689

Abstract: Abstract In order to study the effect of gas pressure on spontaneous Rayleigh–Brillouin scattering spectrum and verify the validity of Tenti S6 model at pressures up to 8 atm, the spontaneous Rayleigh–Brillouin scattering experiment in… read more here.

Keywords: spontaneous rayleigh; rayleigh brillouin; effect; brillouin scattering ... See more keywords

Heterogeneous and hybrid integration for Brillouin microwave photonics

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recommendations! Published in 2024 at "Advances in Physics: X"

DOI: 10.1080/23746149.2024.2360598

Abstract: ABSTRACT In the rapidly evolving field of integrated photonics, integrated microwave photonics (MWP) stands out as a critical domain for on-chip signal processing applications. Over the past decade, harnessing stimulated Brillouin scattering (SBS) has yielded… read more here.

Keywords: heterogeneous hybrid; microwave photonics; hybrid integration; brillouin ... See more keywords
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Tunable single-longitudinal-mode narrow linewidth Brillouin fiber laser based on PT symmetry

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recommendations! Published in 2023 at "Laser Physics Letters"

DOI: 10.1088/1612-202x/accf73

Abstract: A tunable single-longitudinal-mode (SLM) narrow linewidth Brillouin fiber laser based on parity-time (PT) symmetry is proposed and experimentally demonstrated. In the proposed scheme, the dual selecting-mode mechanism is employed to achieve the SLM operation. The… read more here.

Keywords: laser; fiber; brillouin; narrow linewidth ... See more keywords

Exceptional non-Hermitian topology associated with non-toroidal Brillouin zones

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recommendations! Published in 2025 at "Physical Review B"

DOI: 10.1103/h9c2-h3t7

Abstract: Exceptional points (EPs) are prominent non-Hermitian band degeneracies that give rise to a variety of intriguing and unconventional phenomena. Similar to Weyl and Dirac points, EPs carry topological charges and comply with the celebrated fermion… read more here.

Keywords: topological charges; non hermitian; topology; brillouin ... See more keywords

Switchable Wide-Band Multi-Wavelength Brillouin-Erbium Fiber Laser Based on Random Distributed Feedback

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3042187

Abstract: A wavelength-interval switchable wide-band multi-wavelength Brillouin-erbium fiber laser with a half-open cavity is proposed and experimentally demonstrated, which is constructed by random distributed feedback (RDFB) mirrors provided by Rayleigh backscattering in a 1-km-long highly nonlinear… read more here.

Keywords: power; erbium; laser; wavelength ... See more keywords