Picosecond synchronously pumped optical parametric oscillator based on chirped quasi-phase matching

被引：1

作者：

Walter, Guillaume ^{[1
]}

Descloux, Delphine ^{[1
]}

Dherbecourt, Jean-Baptiste ^{[1
]}

Melkonian, Jean-Michel ^{[1
]}

Raybaut, Myriam ^{[1
]}

Drag, Cyril ^{[2
]}

Godard, Antoine ^{[1
]}

机构：

[1] Univ Paris Saclay, ONERA, DPHY, F-91123 Palaiseau, France

[2] Univ Paris Saclay, Sorbonne Univ, Lab Phys Plasmas, Ecole Polytech,CNRS,UMR 7648, F-91128 Palaiseau, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2020年 / 37卷 / 02期

关键词：

REFRACTIVE-INDEX; LINBO3; AMPLIFICATION; TEMPERATURE; CONVERSION; CONGRUENT;

D O I：

10.1364/JOSAB.380605

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate and model a picosecond synchronously pumped optical parametric oscillator (OPO) based on an aperiodically poled lithium niobate (APPLN) nonlinear crystal with a chirped quasi-phase matching (QPM) grating. We observe remarkable spectral features with an asymmetric OPO spectrum consisting of a main peak with lower sidelobes. Depending on the sign of the QPM chirp rate, the sidelobes are located either on the red or on the blue side of the main peak. Meanwhile, sidebands develop in the depleted pump spectrum. We attribute these features to cascaded sum-/difference-frequency generation processes, which are quasi-phase matched at different positions in the APPLN crystal. A terahertz-generation cascading effect is also observed and characterized at high pump power. (C) 2020 Optical Society of America

引用

页码：552 / 563

页数：12

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