Title :
Multiwavelength all-fiber ring laser using side-polished fiber comb filter and mechanically formed long-period fiber gratings
Author :
Sohn, Kyung-Rak ; Taek, Kwang
Author_Institution :
Dept. of Radio & Inf. Commun. Eng., Korea Maritime Univ., Busan, South Korea
Abstract :
Multiwavelength all-fiber lasers to be operated at room temperature are demonstrated. A side-polished fiber comb filter and mechanically formed long-period fiber gratings (LPFGs) are used to generate colasing operation. By using the band suppression characteristics of the LPFGs to prevent the gain cross-saturation effect, simultaneous lasing of four-wavelength peaks is obtained.
Keywords :
Bragg gratings; comb filters; fibre lasers; laser cavity resonators; optical fibre filters; optical saturation; ring lasers; 20 degC; all-fiber laser; band suppression characteristics; colasing operation; fiber comb filter; four-wavelength peak lasing; gain cross-saturation effect; long-period fiber gratings; mechanically formed gratings; multiwavelength laser; ring laser; room temperature; side-polished filter; simultaneous lasing; Erbium-doped fiber lasers; Fiber gratings; Fiber lasers; Filters; Optical coupling; Optical fiber communication; Optical fiber couplers; Optical fiber polarization; Optical fibers; Ring lasers; Fiber ring cavity; long-period fiber gratings (LPFGs); multiwavelength laser; side-polished fiber;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.839395
