不同光纤组合中产生的超连续谱研究(本期优秀论文)  

Studies on supercontinuum generation in different fiber compositions by using self-made sub-picosecond pulse

作　　者：张蕾[1] 王肇颖[1] 贾东方[1] 

机构地区：[1]天津大学精密仪器与光电子工程学院光电信息技术科学教育部重点实验室,天津300072

出　　处：《光通信技术》2009年第8期39-41,共3页Optical Communication Technology

基　　金：天津市培育项目(06YFGPGX08500)资助;天津市应用基础及前沿技术研究计划(08JCYBJC10100)资助;国家自然科学基金资助项目(60507001)资助

摘　　要：采用自制σ形腔自起振被动锁模掺铒光纤激光器泵浦不同的光纤组合产生超连续谱,对不同长度的色散位移光纤(DSF)、高非线性光纤(HNLF)和120m HNLF+102m DSF中产生的超连续谱进行比较和分析。结果表明DSF与HNLF的组合使用要比单独使用DSF获得的SC谱谱宽更宽,平坦性更好;DSF与HNLF的连接顺序不同,所产生的SC谱也不同;先接入HNLF后接入DSF更容易获得平坦的超连续谱,短波长一侧的功率显著增高。In this paper, a self-made a -cavity passively mode-locked erbium-doped fiber laser was used as the pump source to generate super continumm spectrum （SC）. SC spectrum generated in several dispersion-shifted fibers （DSF） of different lengths,102m DSF＋120m high non-linear fiber （HNLF） and 120m HNLF＋ 102m DSF were compared and analyzed. It showed that the spectrum was wider and flatter by using the combination of DSF and HNLF as the fiber generating SC than only use DSF. The SC generated in the combination fiber which included DSF and HNLF with different connected sequence were different. The combination of HNLF before DSF was much easier to get flatter SC spectrum, at the same time, the power of short-wavelength spectrum was larger than others.

关 键 词：超连续 被动锁模 色散位移光纤 高非线性光纤 

分 类 号：TN253[电子电信—物理电子学]