High-Stability Er-Doped Superfluorescent Fiber Source Incorporating Photonic Bandgap Fiber

A tunable photonic bandgap fiber filter was incorporated in an Er-doped superfluorescent fiber source to improve its mean wavelength thermal stability. This simple filter was able to successfully compensate the mean wavelength to less than 10 ppm from - 40°C to 70°C. When the environmental temperatu...

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Bibliographic Details
Published in:IEEE photonics technology letters 2009-12, Vol.21 (24), p.1843-1845
Main Authors: Wang, A., Ou, P., Feng, L.S., Zhang, C.X., Cui, X.M., Liu, H.D., Gan, Z.Z.
Format: Article
Language:English
Subjects:
Controlled atmospheres
Fibers
Gallium nitride
Optical fiber devices
optical fiber fabrication
Optical fiber filters
Optical fiber polarization
Optical fibers
Optical interferometry
Optimization
Photonic band gap
photonic bandgap fiber (PBGF)
Photonic bandgap fibers
Photonics
Pumps
Stability
superfluorescent fiber source
Temperature control
Thermal stability
Wavelengths
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Summary:A tunable photonic bandgap fiber filter was incorporated in an Er-doped superfluorescent fiber source to improve its mean wavelength thermal stability. This simple filter was able to successfully compensate the mean wavelength to less than 10 ppm from - 40°C to 70°C. When the environmental temperature was controlled to ±0.5°C, the superfluorescent fiber source (SFS) exhibited a long-term mean wavelength stability of ±1 ppm over 11 h. With 60-mW pump power at 974.2 nm, an optimal Er-doped fiber length of 8 m was found, and the final output power of the compensated SFS reached 8 mW.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2009.2034621