Second-harmonic-generation enhancement in cavity resonator integrated grating filters

被引：11

作者：

Renaud, Francois ^{[1
,2
]}

Monmayrant, Antoine ^{[1
]}

Calvez, Stephane ^{[1
]}

Gauthier-Lafaye, Olivier ^{[1
]}

Fehrembach, Anne-Laure ^{[2
]}

Popov, Evgeny ^{[2
,3
]}

机构：

[1] Univ Toulouse, LAAS, CNRS, 7 Ave Colonel Roche, F-31400 Toulouse, France

[2] Aix Marseille Univ, CNRS, Cent Marseille, Inst Fresnel, F-13013 Marseille, France

[3] Inst Univ France, Paris, France

来源：

OPTICS LETTERS | 2019年 / 44卷 / 21期

关键词：

LITHIUM-NIOBATE; GENERATION; EFFICIENCY; CONVERSION;

D O I：

10.1364/OL.44.005198

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate numerically and experimentally second-harmonic generation (SHG) in a cavity resonator integrated grating filter (CRIGF, a planar cavity resonator made of Bragg grating reflectors) around 1550 nm. SHG is modeled numerically for several different systems, including a thin plane layer of LiNbO3 without and with a grating coupler to excite a waveguide mode. We demonstrate that when the waveguide mode is confined to a CRIGF, designed to work with focused incident beams, the SHG power is increased more than 30 times, compared to the case of a single grating coupler used with an almost collimated pump beam. (C) 2019 Optical Society of America.

引用

页码：5198 / 5201

页数：4

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