Theory of a quasi-phase-matched optical parametric oscillator of a backward wave threshold and spectrum

被引：1

作者：

Kasumova, Rena J. ^{[1
]}

机构：

[1] Baku State Univ, Phys Dept, 23 Acad Zahid Khalilov Str, AZ-1148 Baku, Azerbaijan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2024年 / 41卷 / 07期

关键词：

COMPENSATING LOSSES; MU-M; PULSE; GENERATION;

D O I：

10.1364/JOSAB.519051

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We theoretically study the stationary and nonstationary modes of the backward wave generation of an optical parametric oscillator based on quasi phase-matching. We obtain convenient analytical expressions in both modes. We derive, for the stationary lasing mode, the optimal values of the pump intensity and the total length of the structure. We present a numerical estimate of the threshold intensity for PPKTP and LiNbO3 3 and a comparison with the experiment. It is shown that the group velocity dispersion leads to a narrowing of the backward wave spectrum. But the forward wave pulse phase modulation contributes to the broadening of the central maximum of the backward wave. (c) 2024 Optica Publishing Group

引用

页码：1504 / 1512

页数：9

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