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Related Experiment Video

Updated: Sep 28, 2025

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

Published on: September 8, 2017

High-efficiency one-dimensional metalens for 3D focusing.

Han Xia, Tianyao Sheng, Jigen Ding

|April 1, 2022

Summary

We developed a novel on-chip metalens that focuses light into a 3D ring with high efficiency. This dielectric nano-antenna array is promising for advanced optical signal detection in integrated photonic chips.

Area of Science:

Photonics
Nanotechnology
Optics

Background:

On-chip optical signal detection is crucial for integrated photonic chips.
Existing methods for light manipulation on-chip face efficiency and resolution challenges.

Purpose of the Study:

To demonstrate a high-efficiency, one-dimensional metalens for three-dimensional (3D) light focusing on-chip.
To enable non-invasive optical signal detection in photonic integrated circuits.

Main Methods:

Fabrication of a one-dimensional dielectric nano-antenna array coupled to a nano-waveguide.
Control of the metalens phase profile via relative antenna positioning.
Optimization of antenna-waveguide distance and antenna shape for enhanced focusing efficiency.

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Last Updated: Sep 28, 2025

Demonstration of a Hyperlens-integrated Microscope and Super-resolution Imaging

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Published on: September 8, 2017

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

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Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

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Published on: June 7, 2019

Main Results:

The metalens efficiently scatters evanescent waves from a nano-waveguide into free space, forming a 3D ring focus.
Optimized antenna-waveguide distance resulted in only 1.5% light scattering.
55% of scattered energy was focused into the 3D ring, with 50.18% concentrated in a 48° arc using optimized antenna shapes.

Conclusions:

A high-efficiency on-chip one-dimensional metalens capable of 3D light focusing has been successfully demonstrated.
The proposed metalens design offers a promising solution for non-invasive optical signal detection in photonic integrated chips.