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Lasers, Optical Amplifiers, and Laser Optics
High-power, ultra-broadband supercontinuum source based upon 1/1.5 µm dual-band pumpingDownload：719次
Yihuai Zhu 1Zhijian Zheng 1,2Xiaogang Ge 1Geguo Du 3[ ... ]Qitao Lü 5
Author Affiliations
Abstract
1 Shenzhen Key Laboratory of Laser Engineering, Key Laboratory of Advanced Optical Precision Manufacturing Technology of Guangdong Higher Education Institutes, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
2 College of New Materials and New Energies, Shenzhen Technology University, Shenzhen 518118, China
3 College of Electronics and Information Engineering, Shenzhen University, Shenzhen 518060, China
4 Shenzhen Institute of Information Technology, Shenzhen 518172, China
5 Han’s Laser Technology Industry Group Co., Ltd., Shenzhen 518057, China
We experimentally demonstrate an all-fiber supercontinuum source that covers the spectral region ranging from visible to mid-infrared. The ultra-broadband supercontinuum is realized by pumping a cascaded photonic crystal fiber and a highly nonlinear fiber with a 1/1.5 μm dual-band pump source. A maximum output power of 9.01 W is achieved using the system, which is the highest power ever achieved from a supercontinuum source spanning from the visible to mid-infrared.
fiber lasers supercontinuum generation nonlinear optics 
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Chinese Optics Letters
2021, 19(4): 041403
Holography
High efficient generation of holographic stereograms based on wavefront recording planeDownload：786次
Xuemei Cao 1,*Mingxiang Guan 1Linzhong Xia 1Xinzhu Sang 2Zhidong Chen 2
Author Affiliations
Abstract
1 School of Electronic and Communication, Shenzhen Institute of Information Technology, Shenzhen 518172, China
2 State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing 100876, China
A computer generated holographic stereogram based on the wavefront recording plane (WRP) is presented. A WRP closed to the parallax image plane is introduced to record the complex amplitude in a small region for each point in the parallax image. By using three times of fast Fourier transform (FFT) to execute the Fresnel diffraction calculation between the WRP and the holographic stereogram plane, the object wave contributing to the hologram pattern can be achieved. The computation complexity of the proposed approach is dramatically reduced. The results show that the calculation time can be decreased by more than one order of magnitude.
090.1760 Computer holography 
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Chinese Optics Letters
2017, 15(12): 120901
Widely continuous-tunable 2.789 4.957 \mu m twin MgO:PPLN cascaded optical parametric oscillatorDownload：704次
Linzhong Xia 1,2Hong Su 2Shuangchen Ruan 2
Author Affiliations
Abstract
1 College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2 Shenzhen Key Laboratory of Laser Engineering, Shenzhen University, Shenzhen 518060, China
An all-solid-state mid-infrared optical parametric oscillator with wide tunability by using two identical multi-grating periodically poled 5-mol.-% MgO-doped lithium niobate cascaded is reported. The pump laser is an acousto-optically Q-switched Nd:YAG laser with 150-ns pulse width at repetition rate of 10 kHz. Wide tunability from 2.789 to 4.957 \mu m at the idler wavelength is achieved by varying the temperature from 40 to 200 ℃ and translating the grating periods from 26 to 31 \mu m with a step of 0.5 \mu m. When the incident pump average power is 8.15 W, the maximum idler output average power is 2.23 W at 3.344 \mu m and the optic-optic conversion efficiency is about 27.4%.
非线性光学 光参量振荡器 准相位匹配 190.4970 Parametric oscillators and amplifiers 140.3600 Lasers, tunable 140.3070 Infrared and far-infrared lasers 
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Chinese Optics Letters
2009, 7(11): 1038
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