Integrated microwave acousto-optic frequency shifter on thin-film lithium niobate

被引：79

作者：

Shao, Linbo ^{[1
]}

Sinclair, Neil ^{[1
,2
]}

Leatham, James ^{[3
]}

Hu, Yaowen ^{[1
]}

Yu, Mengjie ^{[1
]}

Turpin, Terry ^{[4
]}

Crowe, Devon ^{[3
]}

Loncar, Marko ^{[1
]}

机构：

[1] Harvard Univ, John A Paulson Sch Engn & Appl Sci, 29 Oxford St, Cambridge, MA 02138 USA

[2] CALTECH, Div Phys Math & Astron, 1200 E Calif Blvd, Pasadena, CA 91125 USA

[3] Raytheon Space & Airborne Syst, 2000 E El Segundo Ave, El Segundo, CA 90245 USA

[4] 49918 Evergreen Ave, Columbia, MD 21046 USA

来源：

OPTICS EXPRESS | 2020年 / 28卷 / 16期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

BRILLOUIN-SCATTERING; ACOUSTIC-WAVES; BAND; MODULATOR; GENERATION; CONVERSION;

D O I：

10.1364/OE.397138

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Electrically driven acousto-optic devices that provide beam deflection and optical frequency shifting have broad applications from pulse synthesis to heterodyne detection. Commercially available acousto-optic modulators are based on bulk materials and consume Watts of radio frequency power. Here, we demonstrate an integrated 3-GHz acousto-optic frequency shifter on thin-film lithium niobate, featuring a carrier suppression over 30 dB. Further, we demonstrate a gigahertz-spaced optical frequency comb featuring more than 200 lines over a 0.6-THz optical bandwidth by recirculating the light in an active frequency shifting loop. Our integrated acousto-optic platform leads to the development of on-chip optical routing, isolation, and microwave signal processing. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：23728 / 23738

页数：11

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