中国物理B ›› 2019, Vol. 28 ›› Issue (10): 104211-104211.doi: 10.1088/1674-1056/ab3f9b
• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇 下一篇
Characterize and optimize the four-wave mixing in dual-interferometer coupled silicon microrings
Chao Wu(吴超), Yingwen Liu(刘英文), Xiaowen Gu(顾晓文), Shichuan Xue(薛诗川), Xinxin Yu(郁鑫鑫), Yuechan Kong(孔月婵), Xiaogang Qiang(强晓刚), Junjie Wu(吴俊杰), Zhihong Zhu(朱志宏), Ping Xu(徐平)
- 1 Institute for Quantum Information and State Key Laboratory of High Performance Computing, College of Computer, College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China;
2 Science and Technology on Monolithic Integrated Circuits and Modules Laboratory, Nanjing Electronic Devices Institute, Nanjing 210016, China;
3 National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
Characterize and optimize the four-wave mixing in dual-interferometer coupled silicon microrings
Chao Wu(吴超)1, Yingwen Liu(刘英文)1, Xiaowen Gu(顾晓文)2, Shichuan Xue(薛诗川)1, Xinxin Yu(郁鑫鑫)2, Yuechan Kong(孔月婵)2, Xiaogang Qiang(强晓刚)1, Junjie Wu(吴俊杰)1, Zhihong Zhu(朱志宏)1, Ping Xu(徐平)1,3
- 1 Institute for Quantum Information and State Key Laboratory of High Performance Computing, College of Computer, College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China;
2 Science and Technology on Monolithic Integrated Circuits and Modules Laboratory, Nanjing Electronic Devices Institute, Nanjing 210016, China;
3 National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
摘要：
By designing and fabricating a series of dual-interferometer coupled silicon microrings, the coupling condition of the pump, signal, and idler beams can be engineered independently and then we carried out both the continuous-wave and pulse pumped four-wave mixing experiments to verify the dependence of conversion efficiency on the coupling conditions of the four interacting beams, respectively. Under the continuous-wave pump, the four-wave mixing efficiency gets maximized when both the pump and signal/idler beams are closely operated at the critical coupling point, while for the pulse pump case, the efficiency can be enhanced greatly when the pump and converted idler beams are all overcoupled. These experiment results agree well with our theoretical calculations. Our design provides a platform for explicitly characterizing the four-wave mixing under different pumping conditions, and offers a method to optimize the four-wave mixing, which will facilitate the development of on-chip all-optical signal processing with a higher efficiency or reduced pump power.
中图分类号: (Nonlinear optics)
- 42.65.-k