Efficiency-enhanced picosecond mid-infrared optical parametric downconversion based on a cascaded optical superlattice

Shifeng Li; Panpan Ju; Yanhua Liu; Xudong Jiang; Rui Ni; Gang Zhao; Xinjie Lv; Shining Zhu

doi:doi:10.3788/COL201614.041402

Chinese Optics Letters, 2016, 14 (4): 041402, Published Online: Aug. 6, 2018

Efficiency-enhanced picosecond mid-infrared optical parametric downconversion based on a cascaded optical superlattice Download： 1035次

Shifeng Li ¹Panpan Ju ¹Yanhua Liu ²Xudong Jiang ¹Rui Ni ¹Gang Zhao ¹Xinjie Lv ^1,*Shining Zhu ¹

Author Affiliations

¹ National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China

² College of Physics, Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China

140.0140 Lasers and laser optics 190.0190 Nonlinear optics

Abstract

We demonstrate an efficiency-enhanced picosecond (ps) mid-infrared radiation via optical parametric downconversion. Based on a cascaded periodically poled MgO-doped stoichiometric lithium tantalate crystal (MgO:sPPLT), a tandem optical parametric oscillation-optical parametric amplification (OPO-OPA) process is achieved. Compared with a single OPO process, the conversion efficiency obtains an enhancement of 71%.

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Shifeng Li, Panpan Ju, Yanhua Liu, Xudong Jiang, Rui Ni, Gang Zhao, Xinjie Lv, Shining Zhu. Efficiency-enhanced picosecond mid-infrared optical parametric downconversion based on a cascaded optical superlattice[J]. Chinese Optics Letters, 2016, 14(4): 041402.

Efficiency-enhanced picosecond mid-infrared optical parametric downconversion based on a cascaded optical superlattice Download： 1035次

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