Title :
High-stability Er3+-doped superfluorescent fiber sources
Author :
Hall, Douglas C. ; Burns, William K. ; Moeller, Robert P.
Author_Institution :
Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA
fDate :
7/1/1995 12:00:00 AM
Abstract :
Data are presented on Er3+-doped superfluorescent fiber sources showing the dependence of output characteristics on pump wavelength and power, fiber length, fiber temperature, and feedback. In particular, the broadband operation and mean wavelength stability required for fiber optic gyroscope applications are evaluated. Substantial improvements in the mean wavelength stability with pump power have been achieved by optimizing the fiber length. An all-fiber superfluorescent fiber source utilizing a fiber-pigtailed 980-nm diode pump laser is demonstrated, with a 1-h mean wavelength stability better than 0.9 ppm RMS and ⩽8 ppm drift over 20 h. The intrinsic mean wavelength variation versus fiber temperature is measured, with values of 4.8 and 3.0 ppm/°PC obtained for fiber lengths of 23 and 78 m, respectively
Keywords :
erbium; fibre optic sensors; fluorescence; gyroscopes; light sources; optical feedback; optical pumping; stability; superradiance; 1 h; 20 h; 23 m; 78 m; 980 nm; Er3+-doped superfluorescent fiber sources; all-fiber superfluorescent fiber source; broadband operation; diode pump laser; feedback; fiber length; fiber length optimisation; fiber lengths; fiber optic gyroscope applications; fiber temperature; fiber-pigtailed; high-stability; intrinsic mean wavelength variation; mean wavelength stability; output characteristics; pump power; pump wavelength; Diodes; Erbium; Gyroscopes; Laser feedback; Laser stability; Optical feedback; Optical fibers; Output feedback; Temperature dependence; Temperature measurement;
Journal_Title :
Lightwave Technology, Journal of
