Visible-light uniform and unidirectional grating-based antennas for integrated optical phased arrays

被引:1
作者
Coleto, Andres Garcia [1 ]
Notaros, Milica [1 ]
Notaros, Jelena [1 ]
机构
[1] MIT, Res Lab Elect, Cambridge, MA 02139 USA
基金
美国国家科学基金会;
关键词
PRINCIPLES; EMISSION; PLATFORM; DEVICES;
D O I
10.1364/OE.540886
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Integrated optical phased arrays (OPAs) have emerged as a promising technology for various applications due to their ability to dynamically control free-space optical beams in a compact and non-mechanical manner. While integrated OPAs have traditionally focused on the infrared spectrum, advancements in visible-light integrated OPAs have been relatively limited despite their potential benefits for applications such as displays, 3D printing, trapped-ion quantum systems, underwater communications, and optogenetics. Moreover, integrated visible-light grating-based optical antennas, one of the crucial devices that forms a visible-light integrated OPA, have been relatively underexplored, especially for more advanced designs. In this paper, we address this gap by providing a thorough explanation of the design principles for integrated visible-light grating-based antennas and applying them to design and experimentally demonstrate five different antennas with varying advanced capabilities, including the first visible-light unidirectionally-emitting grating-based antennas for integrated OPAs. Specifically, we develop and experimentally demonstrate integrated visible-light exponentially-emitting single-layer, uniformly-emitting single-layer, exponentially-emitting dual-layer, uniformly-emitting dual-layer, and unidirectionally-emitting dual-layer grating-based antennas. This work aims to provide a thorough design guide for integrated visible-light grating-based antennas, facilitating future widespread use of integrated OPAs for new and emerging visible-light applications.
引用
收藏
页码:46447 / 46466
页数:20
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