Quasi-phase-matched optical parametric oscillator using periodically poled MgO-doped LiNbO3 crystal

被引：20

作者：

Nakamura, M ^{[1
]}

Sugihara, M ^{[1
]}

Kotoh, M ^{[1
]}

Taniguchi, H ^{[1
]}

Tadatomo, K ^{[1
]}

机构：

[1] Mitsubishi Cable Ind Ltd, Cent Res Lab, Itami, Hyogo 6640027, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1999年 / 38卷 / 11A期

关键词：

periodically poled MgO-doped LiNbO3 (PPMgLN); electric field poling process; duty cycle; quasi-phase-matched (QPM) optical parametric oscillation (OPO); photorefractive damage;

D O I：

10.1143/JJAP.38.L1234

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A 0.5-mm-thick periodically poled MgO-doped (5 mol%) LiNbO3 (PPMgLN) crystal with domain-inverted periods of 26.2-32.0 mu m and an interaction length of 30 mm has been successfully fabricated by an electric field poling process. The average ratios of the domain-inverted width to the domain-inverted period (duty cycle) were approximately 50%. Experiments on quasi-phase-matched (QPM) optical parametric oscillation (OPO) using a PPMgLN crystal were performed. During QPM-OPO, the PPMgLN crystal exhibited a higher resistance to photorefractive damage than did a periodically poled LiNbO3 (PPLN) crystal. OPO properties of the PPMgLN crystal at 20 degrees C were comparable to those of a PPLN crystal heated to similar to 100 degrees C to prevent photorefractive damage, which enables operation in the steady state at room temperature.

引用

页码：L1234 / L1236

页数：3

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