Magneto-optical Q-switching using magnetic garnet film with micromagnetic domains

被引：17

作者：

Goto, Taichi ^{[1
,2
]}

Morimoto, Ryohei ^{[1
]}

Pritchard, John W. ^{[3
]}

Mina, Mani ^{[3
]}

Takagi, Hiroyuki ^{[1
]}

Nakamura, Yuichi ^{[1
]}

Lim, Pang Boey ^{[1
]}

Taira, Takunori ^{[4
]}

Inoue, M. ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Tempaku Ku, 1-1 Hibarigaoka, Toyohashi, Aichi 4418580, Japan

[2] JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan

[3] Iowa State Univ, Dept Elect & Comp Engn, Ames, IA 50011 USA

[4] Inst Mol Sci, Laser Res Ctr, 38 Nishigonaka, Okazaki, Aichi 4448585, Japan

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 16期

基金：

日本学术振兴会;

关键词：

HIGH-PEAK POWER; DIODE-LASER; AVERAGE POWER; MU-M; GENERATION; COMPOSITE;

D O I：

10.1364/OE.24.017635

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

High-power giant pulses can be used applied in various applications with Q-switched micro-lasers. This method can shorten the pulse duration; however, active control is currently impossible in micro-lasers. To achieve precise pulse control while maintaining compactness and simplicity, we exploit the magneto-optical effect in magnetic garnet films with micromagnetic domains that can be actively controlled by a pulsed magnetic field. Our Q-switching technique enhances the output power by a factor of 4 x 10(3). Moreover, the device itself is smaller than other Q-switching devices. This novel type of active Q-switch can be combined with a micro-laser to obtain megawatt-order pulses. (C) 2016 Optical Society of America

引用

页码：17635 / 17643

页数：9

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