A tunable multi-wavelength Brillouin–erbium fiber laser with fourfold Brillouin frequency spacing
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
A Simple and accurate method for Brillouin spectroscopy based on virtual imaging phased array spectrometer and charge-coupled device cameras
Sign Up to like & getrecommendations! 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
Interplay of Cascaded Raman- and Brillouin-like Scattering in Nanostructured Optical Waveguides
Sign Up to like & getrecommendations! 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
The effect of pressure on spontaneous Rayleigh–Brillouin scattering spectrum in nitrogen
Sign Up to like & getrecommendations! 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
Tunable single-longitudinal-mode narrow linewidth Brillouin fiber laser based on PT symmetry
Sign Up to like & getrecommendations! 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
Switchable Wide-Band Multi-Wavelength Brillouin-Erbium Fiber Laser Based on Random Distributed Feedback
Sign Up to like & getrecommendations! 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
Efficient Demodulation of Brillouin Phase Spectra and Performance Enhancement in BOTDA Incorporating Phase Noise Elimination
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2923276
Abstract: A Brillouin phase spectra (BPS) demodulation approach in Brillouin optical time-domain analysis (BOTDA) based on phase to intensity conversion is proposed and demonstrated. By utilizing the cascaded modulation of the probe light and coherent detection… read more here.
Keywords: phase noise; demodulation; brillouin phase; phase ... See more keywords
Tunable Dual-Wavelength Bismuth Fiber Laser With 37.8-GHz Frequency Spacing
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3100987
Abstract: A tunable dual-wavelength Brillouin-bismuth fiber laser with a triple-Brillouin frequency spacing of ∼37.8 GHz was demonstrated by employing modular structures. The modular designs can be divided into two main cavities, whereby cavity 1 consisted of… read more here.
Keywords: laser; dual wavelength; bismuth fiber; brillouin ... See more keywords
Detection of Brillouin Precursors at Microwave Frequencies Through a Rectangular Waveguide Filled With Wet Soil
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2018.2825778
Abstract: This letter extends our recent experimental work to detect Brillouin Precursors (BPs) at microwave frequencies through a rectangular waveguide (WG) filled with wet soil. Simulated and experimental data processing methods are discussed. BPs through the… read more here.
Keywords: frequencies rectangular; waveguide; rectangular waveguide; microwave frequencies ... See more keywords
Brillouin Assisted Optoelectronic Self-Narrowing of Laser Linewidth
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2912874
Abstract: We propose and demonstrate the possible self-narrowing of a laser line using optoelectronic and Brillouin approaches. Part of the laser is used to feed a long fiber Brillouin resonator whose Stokes wave is phase locked… read more here.
Keywords: brillouin assisted; self narrowing; laser; narrowing laser ... See more keywords