Metasurface Enhanced Upconversion Efficiency for High-Performance Pixel-Less Thermal Imaging-Reference-Cited by-同舟云学术

Metasurface Enhanced Upconversion Efficiency for High-Performance Pixel-Less Thermal Imaging

Published:2023-11-24 Issue:12 Volume:10 Page:1301
ISSN:2304-6732
Container-title:Photonics
language:en
Short-container-title:Photonics

Author:

Wang Yi¹²³,Zhang Jing¹,Han Shangjie²³⁴,Cai Jiaxuan²³^ORCID,Bai Peng²³⁵^ORCID,Yang Ning²³⁵,Chu Weidong²³⁵,Wang Hanbin⁵⁶,Li Jiaying⁷,Xie Yan⁸,Chen Meng⁸,Wang Yingxin⁸,Zhao Ziran⁸

Affiliation:

1. School of Information Science and Technology, North China University of Technology, Beijing 100144, China

2. Institute of Applied Physics and Computational Mathematics, Beijing 100088, China

3. National Key Laboratory of Computational Physics, Beijing 100088, China

4. School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China

5. Microsystem & Terahertz Research Center, China Academy of Engineering Physics (CAEP), Chengdu 610200, China

6. Institute of Electronic Engineering, China Academy of Engineering Physics (CAEP), Mianyang 621900, China

7. Beijing Dongfang Botai Radio Spectrum Technology Research Institute, Beijing 101200, China

8. Department of Engineering Physics, Tsinghua University, Beijing 100084, China

Abstract

High-performance infrared thermal imaging devices are widely used in military, biomedical and other fields. Upconversion pixel-less imaging is promising for infrared imaging. In this paper, we propose a hybrid metasurface to achieve high upconversion efficiency of the integrated quantum well infrared photodetector and light-emitting diodes (QWIP-LED). Systematical investigations on the performance of the QWIP-LED, including optical coupling efficiency, light extraction efficiency, and upconversion efficiency, have been carried out via theoretical simulation. We also present the integration time for different devices with different optical coupling structures. Numerical results show that 45° edge-coupled QWIP-LED is not suitable for imaging applications for the low upconversion efficiency. Traditional grating-coupled QWIP-LED can be optimized for real-time thermal imaging. The hybrid-metasurface-based QWIP-LED can achieve a high frame rate above 300 Hz due to the enhanced upconversion efficiency. This work gives a precise description of QWIP-LED performance with different device structures and opens the way for large format upconversion pixel-less imaging.

Funder

Natural Science Foundation of China

China Postdoctoral Science Foundation

Open Project funded by Key Laboratory of Artificial Structures and Quantum Control

Publisher

MDPI AG

Subject

Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics

Link

https://www.mdpi.com/2304-6732/10/12/1301/pdf

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