Tunable multiwavelength fiber laser using a comb filter based on erbium-ytterbium co-doped polarization maintaining fiber loop mirror.
A tunable comb filter based on a fiber loop mirror setup, which incorporates a piece of pumped erbium-ytterbium co-doped polarization maintaining fiber, is newly presented. It is accomplished by controlling the pump power or adjusting a polarization controller in the loop mirror, which results from the fact that the effective birefringence of the erbium-ytterbium co-doped polarization maintaining fiber depends on the pump power and polarization state of the traversing signal. By using the proposed comb filter, a continuously tunable multiwavelength fiber ring laser in the L-band is successfully demonstrated.
Department of Information and Communications, Gwangju Institute of Science and Technology (GIST)1 Oryong-dong, Buk-gu, Gwangju 500-712, Korea.
Guoyong
G
Sun
Dae Seung
DS
Moon
Aoxiang
A
Lin
Won-Taek
WT
Han
Youngjoo
Y
Chung
D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation*; D053844:Lasers, Solid-State; D007909:Lenses; D012031:Refractometry / Q000295:instrumentation*