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:10.3788/COL201614.041402

Journals >Chinese Optics Letters >Volume 14 >Issue 4 >Page 041402 > Article

Chinese Optics Letters
Vol. 14, Issue 4, 041402 (2016)

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

Shifeng Li¹, Panpan Ju¹, Yanhua Liu², Xudong Jiang¹, Rui Ni¹, Gang Zhao¹, Xinjie Lv^1、*, and Shining Zhu¹

Author Affiliations

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

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

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DOI: 10.3788/COL201614.041402 Cite this Article Set citation alerts

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 Copy Citation Text

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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%.