Broadband sum-frequency generation using d33 in periodically poled LiNbO3 thin film in the telecommunications band

被引：65

作者：

Li, Guangzhen ^{[1
]}

Chen, Yuping ^{[1
]}

Jiang, Haowei ^{[1
]}

Chen, Xianfeng ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Phys & Astron, State Key Lab Adv Opt Commun Syst & Networks, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

来源：

OPTICS LETTERS | 2017年 / 42卷 / 05期

基金：

中国国家自然科学基金;

关键词：

2ND HARMONIC-GENERATION; LITHIUM-NIOBATE; 2ND-HARMONIC GENERATION; WAVE-GUIDES; UP-CONVERSION; I QPM; PPLN; MICRORESONATORS; SPECTROSCOPY; NONLINEARITY;

D O I：

10.1364/OL.42.000939

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the first, to the best of our knowledge, type-0 broadband sum-frequency generation (SFG) based on single-crystal periodically poled LiNbO3 (PPLN) thin film. The broad bandwidth property was largely tuned from mid-infrared region to the telecommunications band by engineering the thickness of PPLN from bulk crystal to nanoscale. It provides SFG a solution with both broadband and high efficiency by using the highest nonlinear coefficient d(33) instead of d(31) in type-I broadband SFG or second-harmonic generation. The measured 3 dB upconversion bandwidth is about 15.5nm for a 4 cm long single crystal at 1530 nm wavelength. It can find applications in chip-scale spectroscopy, quantum information processing, LiNbO3-thin-film-based microresonator and optical nonreciprocity devices, etc. (C) 2017 Optical Society of America

引用

页码：939 / 942

页数：4

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