Integrated Compact Optical Vortex Beam Emitters

被引：860

作者：

Cai, Xinlun ^{[1
]}

Wang, Jianwei ^{[2
]}

Strain, Michael J. ^{[3
]}

Johnson-Morris, Benjamin ^{[1
]}

Zhu, Jiangbo ^{[4
,5
,6
,7
]}

Sorel, Marc ^{[3
]}

O'Brien, Jeremy L. ^{[2
]}

Thompson, Mark G. ^{[2
]}

Yu, Siyuan ^{[1
,4
,5
]}

机构：

[1] Univ Bristol, Photon Grp, Merchant Venturers Sch Engn, Bristol, Avon, England

[2] Univ Bristol, Ctr Quantum Photon, Bristol, Avon, England

[3] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8QQ, Lanark, Scotland

[4] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

[5] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China

[6] Fudan Univ, State Key Lab Applicat Specif Integrated Circuits, Shanghai 200433, Peoples R China

[7] Fudan Univ, Dept Commun Sci & Engn, Shanghai 200433, Peoples R China

来源：

SCIENCE | 2012年 / 338卷 / 6105期

基金：

英国工程与自然科学研究理事会;

关键词：

ORBITAL ANGULAR-MOMENTUM; PANCHARATNAM-BERRY PHASE; POLARIZED BEAMS; WAVE-GUIDES; LIGHT; MANIPULATION; PHOTONS;

D O I：

10.1126/science.1226528

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Emerging applications based on optical beams carrying orbital angular momentum (OAM) will probably require photonic integrated devices and circuits for miniaturization, improved performance, and enhanced functionality. We demonstrate silicon-integrated optical vortex emitters, using angular gratings to extract light confined in whispering gallery modes with high OAM into free-space beams with well-controlled amounts of OAM. The smallest device has a radius of 3.9 micrometers. Experimental characterization confirms the theoretical prediction that the emitted beams carry exactly defined and adjustable OAM. Fabrication of integrated arrays and demonstration of simultaneous emission of multiple identical optical vortices provide the potential for large-scale integration of optical vortex emitters on complementary metal-oxide-semiconductor compatible silicon chips for wide-ranging applications.

引用

页码：363 / 366

页数：4

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