Raman gain in glass optical waveguides

Abstract

The small signal Raman gain in a single-mode glass waveguide amplifier has been measured directly. The measured gain is in good agreement with that calculated from the Raman cross section. The cross section was determined by a comparison of the spontaneous Raman scattering of fused quartz and benzene.

Raman-Assisted Brillouin Distributed Temperature Sensor Over 100 km Featuring 2 m Resolution and 1.2 $^{\circ}$C Uncertainty

“…The Raman pumps are obtained by splitting the output of a Raman fiber laser (RFL). Thus, a bidirectional configuration is used for the Raman amplification process [13], [14]. The RFL emits at 1455 nm, which induces Raman amplification in the region of 1550 nm.…”

Nonlinear Scattering Effects in Optical Fibers

“…Two major peaks occur at 13 THz and 15 THz for Raman shift ω R = ω P − ω S . For this shift, some miner peaks are also present in spectrum [25]. Therefore, the amorphous nature of silica is responsible for large bandwidth and multipeak nature of spectrum ( Figure 9).…”

Spontaneous Nonlinear Scattering Processes in Silica Optical Fibers

“…Spontaneous Raman scattering has been observed and measured in bulk glass (Hellwarth et al, 1975;Stolen & Ippen, 1973) and in optical fibers (Stolen et al, 1984;Wardle, 1999). In optical fiber, the polarization properties are usually more difficult to measure because standard fibers do not preserve and even scramble polarization.…”