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Integrated optical phased array based on vortex light

A technology of integrated optics and vortex light, applied in the field of optical phased array, can solve the problem that the scanning angle cannot exceed 180 degrees

Active Publication Date: 2021-09-28
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The scanning range of existing optical phased arrays is only tens of degrees. Even with the side emission scheme, the scanning angle still cannot exceed 180 degrees due to the limitation of geometry.

Method used

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  • Integrated optical phased array based on vortex light
  • Integrated optical phased array based on vortex light
  • Integrated optical phased array based on vortex light

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The numbers in the following embodiments are set only for the convenience of illustration and description, and there is no limitation on the sequence therebetween, and the execution sequence in the embodiments can be adjusted adaptively according to the understanding of those skilled in the art.

[0023] refer to figure 1 and figure 2 , the present invention provides an integrated optical phased array based on vortex light, including several concentric planar vortex light microring emitters integrated on a chip, and the concentric planar vortex light microring emitters integrated on a plurality of chips pass through The optical beam splitter is connected, and the planar vortex optical microring emitter includes a lower straight waveguide, a phase shifter, an upper layer microring waveguide with a grating and a metal micro-heater, and ...

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Abstract

The invention discloses an integrated optical phased array based on vortex light, which comprises a plurality of concentric plane vortex light micro-ring emitters integrated on a chip, and the plurality of concentric plane vortex light micro-ring emitters integrated on the chip are connected through an optical beam splitter. Each planar vortex light micro-ring emitter comprises a lower-layer straight waveguide, a phase shifter, an upper-layer grating micro-ring waveguide and a metal micro-heater, the phase shifter is arranged on the lower-layer straight waveguide, and the metal micro-heater is arranged on the grating micro-ring waveguide. According to the invention, 360-degree full-plane light beam scanning can be realized. The integrated optical phased array based on vortex light can be widely applied to the field of optical phased arrays.

Description

technical field [0001] The invention relates to the field of optical phased arrays, in particular to an integrated optical phased array based on vortex light. Background technique [0002] Optical phased array is a promising beam shaping method. By adjusting the phase of each outgoing wave, the outgoing direction of the main lobe of the beam can be controlled. This method has the advantages of low cost, small chip size, high resolution, high precision and fast response. The scanning range of the existing optical phased array is only tens of degrees. Even with the edge emission scheme, the scanning angle still cannot exceed 180 degrees due to the limitation of the geometric shape. Contents of the invention [0003] In order to solve the above technical problems, the object of the present invention is to provide an integrated optical phased array based on vortex light, which can realize 360-degree full-plane beam scanning. [0004] The first technical solution adopted by t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/29
CPCG02F1/292
Inventor 张彦峰曾世豪余思远
Owner SUN YAT SEN UNIV
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