Fast response of photorefraction in lithium niobate microresonators

被引：69

作者：

Jiang, Haowei ^{[1
,2
,3
]}

Luo, Rui ^{[2
]}

Liang, Hanxiao ^{[3
]}

Chen, Xianfeng ^{[1
]}

Chen, Yuping ^{[1
]}

Lin, Qiang ^{[2
,3
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Phys & Astron, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China

[2] Univ Rochester, Inst Opt, Rochester, NY 14627 USA

[3] Univ Rochester, Dept Elect & Comp Engn, 601 Elmwood Ave, Rochester, NY 14627 USA

来源：

OPTICS LETTERS | 2017年 / 42卷 / 17期

基金：

美国国家科学基金会; 国家重点研发计划; 中国国家自然科学基金;

关键词：

MICRODISK RESONATORS; HOLOGRAPHIC STORAGE; OPTICAL-DAMAGE; WAVELENGTH;

D O I：

10.1364/OL.42.003267

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a detailed characterization of photorefraction in on-chip high-Q lithium niobate (LN) microresonators. We show that the photorefractive effect in these devices exhibits very distinctive temporal relaxation dynamics compared with those in bulk crystals and in mm-sized LN resonators. The relaxation of photorefraction is dominated by a fast time response with a time constant as small as 20.85 ms that is more than three-orders of magnitude faster than those observed in macroscopic devices. The observed fast response of photorefraction is of great potential as a convenient and energy-efficient approach for on-chip all-optical functionalities. (C) 2017 Optical Society of America

引用

页码：3267 / 3270

页数：4

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