Experimental study on chaos generation in an all-fiber erbium-doped fiber ring laser with a Mach-Zeh

• 作 者: 马明祥 胡正良 徐攀 王伟 胡永明
• 机 构: College of Optoelectronic Science and Engineering,National University of Defense Technology,
• 出 处: Chinese Optics Letters
• 发表日期: 2014年08期
• 关键词: chaos interferometer bifurcation chaotic piezoelectric longitudinal coexistence

We experimentally study the chaotic behaviors in a compact all-fiber erbium-doped fiber ring laser(EDFRL) with an added Mach-Zehnder interferometer(MZI) by using a phase-modulation method. A piezoelectric ceramic transducer(PZT) is incorporated in the MZI to introduce single-frequency phase modulation. The coexistence of intermittency and period-doubling bifurcation routes to chaos in the EDFRL system is observed by adjusting the modulation frequency or the phase modulation depth in the experiment. In addition, the EDFRL presents irregular multi-longitudinal-mode oscillation with a definite linear polarization when operating at intensity chaos state.

We experimentally study the chaotic behaviors in a compact all-fiber erbium-doped fiber ring laser (EDFRL) with an added Mach-Zehnder interferometer (MZI) by using a phase-modulation method. A piezoelectric ceramic transducer (PZT) is incorporated in the The coexistence of intermittency and period-doubling bifurcation routes to chaos in the EDFRL system is observed by adjusting the modulation frequency or the phase modulation depth in the experiment. In addition, the EDFRL presents irregular multi- longitudinal-mode oscillation with a definite linear polarization when operating at intensity chaos state.