激光与光电子学进展, 2018, 55 (4): 040001, 网络出版: 2018-09-11
光纤飞秒激光抽运的非线性光学频率变换研究进展 
下载： 2618次封面文章
Research Progress of Nonlinear Frequency Conversion Technology Based on Fiber Femtosecond Lasers
图 & 表
图 1. 基于MgO∶PPLN光学参量振荡器内腔倍频及和频实验装置[28]
Fig. 1. Experimental setup of intracavity SHG and SFG based on MgO∶PPLN OPO[28]
图 2. 基于MgO∶PPLN光学参量振荡器可调谐紫外激光产生实验装置[29]
Fig. 2. Experimental setup for tunable UV generation in MgO∶PPLN OPO[29]
图 5. (a)、(b) GaAs 纳米线的SEM图像;(c)利用1040 nm、810 nm和超连续飞秒光激发纳米线产生的二次谐波信号;(d)超连续光谱激发纳米线产生的宽带二次谐波,插图为超连续光谱[52]
Fig. 5. (a), (b) SEM images of GaAs nanowires; (c) typical SHG signals excited by femtosecond laser at 1040 nm, 810 nm;(d) broadband SHG signal excited by supercontinuum pulses. The illustration is spectrum of SC pulses[52]
图 6. (a) GaAs纳米线和频实验装置;(b) 1048 nm飞秒激光和1416~1770 nm可调OPO产生的SFG信号[53]
Fig. 6. (a) Experimental setup of SFG in GaAs nanowires; (b) SFG signals generated by the 1048 nm femtosecond laser and 1416~1770 nm tunable OPO[53]
图 7. 全固带隙光子晶体光纤和七芯光子晶体光纤电子扫描显微端面图[56-57]
Fig. 7. SEM images of the all-solid PBGF and seven-core PCF[56-57]
图 8. (a)全固带隙光子晶体光纤的包层无限周期阵列的态密度图;(b)实验测得的全固带隙光子晶体光纤的传输曲线;(c)全固带隙光子晶体光纤在第一导带内基模是很好的六角分布(LP01);(d)第二导带内波长为640 nm的色散波,模式是高阶模LP11;(e) 640 nm的色散波LP11模(红光)和560 nm的色散波LP11模(黄光);(f)输出光谱随着入射功率变化的演变图[80]
Fig. 8. (a) DOS map calculated for the periodic cladding of the all-solid PBGF; (b) transmission curve measured by coupling a supercontinuum source to the all-solid PBGF; (c) fundamental mode LP01 at 1060 nm transmitted in the first bandgap; (d) higher order mode LP11 of the dispersive wave at 640 nm; (e) coexistence of the LP11 mode of the dispersive wave at 640 nm (red light) and 560 nm (yellow light). (f) output spectra of the supercontinuum at different input powers[80]
图 9. (a)光纤长度5 cm输出光谱,插图为局部放大740~800 nm的光谱;(b)光纤长度20 m输出光谱[82]
Fig. 9. Spectra of the output SC for a fiber length of (a) 5 cm and (b) 20 m. The inset of (a) shows the enlarged view of a normalized SC spectrum in the range from 730 nm to 800 nm[82]
图 10. (a)入射脉冲以不同偏振态耦合入PCF时实验观察到的HE13与HOUVMs叠加的远场图;(b)右小图为改变入射脉冲偏振态该PCF输出端可观察到的4个HOUVMs的模拟结果;左小图为不同偏振态入射脉冲耦合进PCF所产生的低阶模式(mode 3,mode 5,mode 7,mode 9)的模拟图;(c)在入射脉冲以不同偏振态耦合入PCF的情况下测得的光谱以及传输入射脉冲传输的低阶模式与传输三次谐波的HOUVM1,HOUVM2,HOUVM3,HOUVM4在320~360 nm波段的相位匹配曲线[90]
Fig. 10. (a) Far field profiles of HE13 and HOUVMs with different-polarization input pulse coupled into the high nonlinear PCF; (b) right, numerical modeling results of 4 HOUVMs observed at the output of PCF when the polarization of input pulse is changed; left, numerical modeling results of 4 lower older modes (mode 3, mode 5, mode 7, mode 9) produced when different-polarized input pulse is coupled into PCF; (c) the measured spectrum with different-polarization input pulse coupled into PCF and the phase
赵君, 胡明列, 范锦涛, 刘博文, 宋有建, 柴路, 王清月. 光纤飞秒激光抽运的非线性光学频率变换研究进展[J]. 激光与光电子学进展, 2018, 55(4): 040001. Jun Zhao, Minglie Hu, Jintao Fan, Bowen Liu, Youjian Song, Lu Chai, Qingyue Wang. Research Progress of Nonlinear Frequency Conversion Technology Based on Fiber Femtosecond Lasers[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040001.
PDF全文
