Abstract
Optimum design of S-band negative dispersion DCF discrete fiber Raman amplifier has been researched by OPTIAMP DESIGN 3.3 SOFTWARE (made in Canada Optiwave Corporation). Simulated result is following: The optimum fiber is 6.4 km. The small signal pump on/off gain spectrums have been got, During different back-direction pump power. The backscattering spectrum of optical fiber has been measured by use 1427 nm Raman laser and Q8384 optical spectrum analyzer and Stokes and anti-Stokes ZX band backscattering spectrum has been first observed and discussed, ZX band frequency shift is 1 THz, band width 3 THz(3 dB).gain spectrum and gain vs. power of DCF discrete fiber Raman amplifier have been measured, practical including Stokes ZX band backscattering gain effect. Pump on/off small signal gain is 13 dB (pump power 700 mw; fiber 5.1 km) and gain band width is 88 nm (1440 nm-1528 nm).
| Original language | English |
|---|---|
| Pages (from-to) | 644-648 |
| Number of pages | 5 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 4905 |
| DOIs | |
| State | Published - 2002 |
| Externally published | Yes |
| Event | Materials and Devices for optical and Wireless Communications - Shanghai, China Duration: 15 Oct 2002 → 18 Oct 2002 |
Keywords
- Fiber Raman amplifier
- Gain band width
- Raman backscattering of optical fiber
- Small signal pump on/off gain
- Stimulated Raman scattering
- The back scattering spectrum
- ZX band backscattering
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