| Proposal of switchable multiwavelength laser with continuously tunable spacing in MgO： APPLN waveguide |
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| 作者姓名： | 唐喻斌 陈玉萍 蒋淏苇 陈险峰 |
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| 作者单位： | State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Department of Physics, Shanghai Jiao Tong University |
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| 基金项目： | supported by the National Natural Science Foundation of China(No.11174204);the Shanghai Jiaotong University Innovative Practical Program |
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| 摘 要： | ![]()
A switchable multiwavelength laser with a continuously tunable spacing is proposed and illustrated based on cascaded interactions of the second harmonic and difference-frequency generations in an aperiodically poled MgO-doped lithium niobate (MgO:APPLN) waveguide. The wavelengths and wavelength spacings of the four outputs are continuously varied and controlled by changing the two input pump wavelengths and spacings within a 3-nm flattop bandwidth of MgO:APPLN. In addition, the switchable states of the four outputs can be selected by inputting proper powers of the two pumps. The number of output wavelengths can also be increased by choosing the proper APPLN structure, the total length of MgO:APPLN, and higher powers of input pump lights.
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| 关 键 词： | 多波长激光器 连续可调谐 MgO 间距 波导 开关 泵浦波长 s输入 |
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