Topic
Brillouin scattering
About: Brillouin scattering is a research topic. Over the lifetime, 11426 publications have been published within this topic receiving 178306 citations.
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TL;DR: In this paper, the effects of temperature and pressure on the ultrasonic propagation properties, dielectric constants and the Raman and Brillouin spectra in paratellurite (TeO 2 ) were investigated with emphasis on the behavior in the vicinity of the newly discovered, pressure-induced phase transition.
60 citations
TL;DR: In this paper, a phase conjugator based on stimulated Brillouin scattering in undoped multimode quartz fibres was proposed to operate with high fidelity and reflectivity, achieving more than 50% reflectivity and 93% fidelity.
60 citations
TL;DR: In this article, the authors used stimulated Brillouin scattering to increase the modulation depth of a weakly-modulated optical signal by rejecting the forward travelling carrier power, achieving an improvement of 8 dB in link loss from 0.1 to 20 GHz.
Abstract: Stimulated Brillouin scattering is used to increase the modulation depth of a weakly-modulated optical signal by rejecting the forward travelling carrier power. For an input power of eight times the stimulated Brillouin threshold, an improvement of 8 dB in link loss from 0.1 to 20 GHz is achieved.
60 citations
TL;DR: A configuration for linear cavity Brillouin fiber laser generation is demonstrated using a standard single-mode fiber, two optical circulators, a 3 dB coupler, and a 95/5 coupler to allow high efficiency.
Abstract: A configuration for linear cavity Brillouin fiber laser (BFL) generation is demonstrated using a standard single-mode fiber, two optical circulators, a 3 dB coupler, and a 95/5 coupler to allow high efficiency. With a Brillouin pump (BP) power of 13 dBm, the laser peak power is 12.3 dB higher than a conventional linear cavity BFL at an upshifted wavelength of 0.086 nm from the BP wavelength. In addition, it is revealed that the BFL peak power can be higher than the transmitted BP peak power when the BP power exceeds the second Brillouin Stokes threshold power.
60 citations
TL;DR: In this paper, a theoretical approach to describe stimulated Brillouin scattering (SBS) threshold in Raman-pumped optical fibers was developed, and the condition for the SBS threshold as a function of fiber parameters and the input power of forward and/or backward pump was derived.
Abstract: We develop a theoretical approach to describe stimulated Brillouin scattering (SBS) in Raman-pumped optical fibers. We derive the condition for the SBS threshold as a function of fiber parameters and the input power of forward and/or backward pump. A particular emphasis is given to the effect of the fiber length and unequal absorption coefficients for pump and signal wavelengths on the SBS threshold. Simple, yet accurate, analytical expressions for the SBS threshold in pumped fibers are also obtained. We show that in pumped fibers, the SBS threshold power is inversely proportional to the path-average integral of Raman gain. Validity ranges of derived formulas are considered in detail. The theoretical predictions are verified experimentally. The calculated values of the SBS threshold powers are in a good agreement with the measured threshold power in Raman-pumped dispersion-compensated fibers.
59 citations