基于黑磷量子点可饱和吸收体的多波长脉冲簇光纤激光器  

Black Phosphorus Quantum Dots Saturable Absorber for Dual-Wavelength Pulse Cluster Fiber Laser

作　　者：刘萌[1,2] 闫玉蓉 汪徐德[3] 罗爱平[1,2] 徐文成[1,2] 罗智超[1,2,4] 

机构地区：[1]华南师范大学广州市特种光纤光子器件重点实验室,广东广州510006 [2]华南师范大学广东省微结构功能光纤与器件工程技术研究中心,广东广州510006 [3]淮北师范大学物理与电子信息学院,安徽淮北235000 [4]深圳大学光电子器件与系统教育部/广东省重点实验室,广东深圳518060

出　　处：《中国激光》2017年第7期161-167,共7页Chinese Journal of Lasers

基　　金：国家自然科学基金(11474108;11304101;61307058;61378036;11504121);广东省自然科学基金杰出青年基金(2014A030306019);广东省科技创新青年拔尖人才(2014TQ01X220);广东省高等学校优秀青年教师培养计划(YQ2015051);广东省科技项目(2016B090925004);深圳大学光电子器件与系统教育部/广东省重点实验室开放基金(GD201602)

摘　　要：由于其独特的光电特性,黑磷量子点(BPQDs)获得研究者们的广泛关注。将基于微纳光纤沉积BPQDs的光子器件接入掺铒光纤激光腔内,利用其可饱和吸收特性和高非线性效应分别获得了单、双波长脉冲簇现象。在单波长脉冲簇状态下,每簇脉冲包含9个脉冲,各脉冲之间具有不同的时间间隔;在双波长脉冲簇状态下,每个波长分别对应一套脉冲簇序列,两套脉冲簇序列具有不同的强度和时间间隔。该结果有助于加深人们对多波长光纤激光器及脉冲簇动力学的理解,也证明了BPQDs可以作为性能优良的可饱和吸收体应用于超快光学领域。Due to their unique optoelectronic properties, recently the black phosphorus quantum dots （BPQDs） has attracted considerable attention. By introducing the microfiber-based BPQDs photonics device into the erbium-doped fiber laser cavity, the single and dual-wavelength pulse cluster phenomena are achieved because of the characteristics of saturable absorption and high nonlinear effect of BPQDs. In the case of single wavelength pulse cluster, each pulse cluster contains 9 pulses, which has different time intervals. While in the case of dual-wavelength pulse cluster, each wavelength corresponds to one sequence of pulse cluster, which has different amplitudes and time intervals. These results help to deepen the understanding of multi-wavelength fiber laser and pulse cluster dynamics, and further demonstrate that the BPQDs can act as the saturable absorber with excellent performance into many fields, such as ultrafast optics.

关 键 词：材料 锁模光纤激光器 黑磷量子点 可饱和吸收体 多波长 脉冲簇 

分 类 号：TN248.1[电子电信—物理电子学]