Role of the modal composition of pump in the multi-peak Brillouin gain spectrum in a few-mode fiber
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127052
Abstract: Abstract We study stimulated Brillouin scattering (SBS) in a few-mode graded-index fiber in both the intermodal and intramodal configurations. A multi-peak Brillouin gain spectrum (BGS) is observed in both types of SBS interactions owing to… read more here.
Keywords: gain spectrum; brillouin gain; peak brillouin; multi peak ... See more keywords
Brillouin gain spectrum characterization in Ge-doped large-mode-area fibers
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abf7ab
Abstract: The dependence of Brillouin gain spectrum (BGS) characteristics, including the Brillouin frequency shift (BFS) and the BGS bandwidth, on germanium concentration in large-mode-area Ge-doped passive fibers is investigated theoretically and experimentally. The simulation results show… read more here.
Keywords: gain spectrum; brillouin gain; mode area; large mode ... See more keywords
Stimulated Brillouin Scattering Enhanced Fibers for Narrow-Band Filtering by Tailoring Brillouin Gain Spectrum
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2767679
Abstract: A novel highly nonlinear optical fiber with enhanced stimulated Brillouin scattering for narrow-band filtering is proposed. Herein, we initially discuss the tailoring of the Brillouin gain spectrum in germanium and fluorine co-doped single cladding fibers.… read more here.
Keywords: stimulated brillouin; gain; brillouin gain; narrow band ... See more keywords
Narrowing Brillouin gain spectrum for distortion-free Brillouin optical time-domain analyzers
Sign Up to like & getrecommendations! Published in 2018 at "Optical Engineering"
DOI: 10.1117/1.oe.57.6.066104
Abstract: Abstract. A high-performance Brillouin optical time-domain analysis (BOTDA) is achieved using the Brillouin gain bandwidth reduction technique combined with high injected probe power. In the probe branch, dual-tone probe wave with fixed frequency separation is… read more here.
Keywords: brillouin optical; probe; gain; brillouin gain ... See more keywords
Effect of chaotic time delay signature on Brillouin gain spectrum in the slope-assisted chaotic BOCDA.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.393087
Abstract: In the chaotic Brillouin optical correlation domain analysis (CBOCDA) system, the broadband chaotic laser naturally widens the Brillouin gain spectrum (BGS), which provides an enhanced range for dynamic strain measurement via slope-assisted technology. However, inherent… read more here.
Keywords: slope; delay signature; slope assisted; brillouin gain ... See more keywords
AIoT enabled resampling filter for temperature extraction of the Brillouin gain spectrum.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465460
Abstract: The Artificial Intelligence of Things (AIoT) turns passive fiber sensors into learning machines. It can be used to integrate intelligent nodes into a multi-dimensional sensing system. In this study, the temperature measurement system based on… read more here.
Keywords: resampling filter; extraction; brillouin gain; temperature ... See more keywords
Brillouin gain spectrum characterization in an acoustic anti-guided delivery fiber for high power narrow linewidth laser.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.470550
Abstract: The Brillouin gain spectrum (BGS) provides key information for stimulated Brillouin scattering (SBS), such as the Brillouin frequency shift (BFS), Brillouin spontaneous linewidth, and Brillouin gain coefficient. In this study, we theoretically investigate the field… read more here.
Keywords: gain spectrum; spectrum characterization; brillouin gain; brillouin ... See more keywords
Large Brillouin gain in Germania-doped core optical fibers up to a 98 mol% doping level.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.004005
Abstract: Germanosilicate glasses are substantial materials in fiber optic technology that have allowed the control of optical properties such as numerical aperture, photosensitivity, dispersion, nonlinearity, and transparency toward mid-infrared. Here, we investigate stimulated Brillouin scattering in… read more here.
Keywords: large brillouin; gain germania; geo2 content; germania doped ... See more keywords