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Experimental investigation of self-starting operation in a F8L based on a symmetrical NOLM |
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| Authors: | B Ibarra-Escamilla O Pottiez JW Haus P Zaca-Moran |
| Institution: | a Instituto Nacional de Astrofísica, Optica y Electrónica, Departamento de Optica, A.P. 51 y 216, Puebla, Pue 72000, Mexico b Centro de Investigaciones en Optica, Loma del Bosque 115, Col. Loma del Campestre, León, Gto 37150, Mexico c Electro-Optics Program, The University of Dayton, Dayton, OH 45469, USA d Benemerita Universidad Autonoma de Puebla, Instituto de Ciencias, A.P. 207, Puebla, Pue 72000, Mexico |
| Abstract: | We experimentally analyze the self-starting operation of a figure-eight mode-locked fiber laser. The design is based on a power-balanced nonlinear optical loop mirror (NOLM) with highly twisted low-birefringence fiber and a quarter-wave (QW) retarder in the loop. The NOLM operates by nonlinear polarization rotation. Self-starting mode-locking requires a careful adjustment of the NOLM low-power transmission, which is easily realized with our setup by adjusting the angle of the QW retarder. The laser is capable of generating ∼20 ps pulses at the fundamental repetition frequency of 0.78 MHz. |
| Keywords: | 07 60 Vg 42 55 Wd 42 60 Fc 42 81 Wg |
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